Temporarily Revert "Add basic loop fusion pass."

As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546

8 files changed, 0 insertions, 5181 deletions

diff --git a/llvm/test/Transforms/LoopPredication/basic.ll b/llvm/test/Transforms/LoopPredication/basic.ll
deleted file mode 100644
index 287c6d20be7..00000000000
--- a/llvm/test/Transforms/LoopPredication/basic.ll
+++ /dev/null
@@ -1,1595 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -loop-predication < %s 2>&1 | FileCheck %s
-; RUN: opt -S -passes='require<scalar-evolution>,loop(loop-predication)' < %s 2>&1 | FileCheck %s
-
-declare void @llvm.experimental.guard(i1, ...)
-
-define i32 @unsigned_loop_0_to_n_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_ule_latch_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_ule_latch_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ule i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ule i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_ugt_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_ugt_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ugt i32 %length, %i
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_ult_check_length_range_known(i32* %array, i32* %length.ptr, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_ult_check_length_range_known(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    [[LENGTH:%.*]] = load i32, i32* [[LENGTH_PTR:%.*]], !range !0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH]]
-; CHECK-NEXT:    [[TMP1:%.*]] = and i1 true, [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP1]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  %length = load i32, i32* %length.ptr, !range !{i32 1, i32 2147483648}
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_inverse_latch_predicate(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_inverse_latch_predicate(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp slt i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sgt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[EXIT_LOOPEXIT:%.*]], label [[LOOP]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp sgt i32 %i.next, %n
-  br i1 %continue, label %exit, label %loop
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_sle_latch_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_sle_latch_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp slt i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sle i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp sle i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_preincrement_latch_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_preincrement_latch_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTH:%.*]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp sle i32 [[N]], [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add i32 %i, 1
-  %continue = icmp slt i32 %i, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_preincrement_latch_check_postincrement_guard_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_preincrement_latch_check_postincrement_guard_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTH:%.*]], -2
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp sle i32 [[N]], [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 1, [[LENGTH]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-
-  %i.next = add i32 %i, 1
-  %within.bounds = icmp ult i32 %i.next, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %continue = icmp slt i32 %i, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_sle_latch_offset_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_sle_latch_offset_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTH:%.*]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i32 [[N]], [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 1, [[LENGTH]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sle i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %i.offset = add i32 %i, 1
-  %within.bounds = icmp ult i32 %i.offset, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add i32 %i, 1
-  %continue = icmp sle i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_offset_sle_latch_offset_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_offset_sle_latch_offset_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp slt i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 1, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[I_NEXT_OFFSET:%.*]] = add i32 [[I_NEXT]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sle i32 [[I_NEXT_OFFSET]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %i.offset = add i32 %i, 1
-  %within.bounds = icmp ult i32 %i.offset, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add i32 %i, 1
-  %i.next.offset = add i32 %i.next, 1
-  %continue = icmp sle i32 %i.next.offset, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @unsupported_latch_pred_loop_0_to_n(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @unsupported_latch_pred_loop_0_to_n(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH:%.*]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ne i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp ne i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_unsupported_iv_step(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_unsupported_iv_step(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH:%.*]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 2
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nsw i32 %i, 2
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_equal_iv_range_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_equal_iv_range_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add nsw i32 [[J]], 1
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %j = phi i32 [ %j.next, %loop ], [ 0, %loop.preheader ]
-
-  %within.bounds = icmp ult i32 %j, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %j.next = add nsw i32 %j, 1
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_start_to_n_offset_iv_range_check(i32* %array, i32 %start.i,
-; CHECK-LABEL: @signed_loop_start_to_n_offset_iv_range_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTH:%.*]], [[START_I:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = sub i32 [[TMP0]], [[START_J:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp sle i32 [[N]], [[TMP1]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ult i32 [[START_J]], [[LENGTH]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[TMP2]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[START_I]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[LOOP]] ], [ [[START_J]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP4]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add i32 [[J]], 1
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-  i32 %start.j, i32 %length,
-  i32 %n) {
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %start.i, %loop.preheader ]
-  %j = phi i32 [ %j.next, %loop ], [ %start.j, %loop.preheader ]
-
-  %within.bounds = icmp ult i32 %j, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %j.next = add i32 %j, 1
-  %i.next = add i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_different_iv_types(i32* %array, i16 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_different_iv_types(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i16 [ [[J_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i16 [[J]], [[LENGTH:%.*]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add i16 [[J]], 1
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %j = phi i16 [ %j.next, %loop ], [ 0, %loop.preheader ]
-
-  %within.bounds = icmp ult i16 %j, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %j.next = add i16 %j, 1
-  %i.next = add i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_different_iv_strides(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_different_iv_strides(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[J]], [[LENGTH:%.*]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add nsw i32 [[J]], 2
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %j = phi i32 [ %j.next, %loop ], [ 0, %loop.preheader ]
-
-  %within.bounds = icmp ult i32 %j, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %j.next = add nsw i32 %j, 2
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @two_range_checks(i32* %array.1, i32 %length.1,
-; CHECK-LABEL: @two_range_checks(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH_2:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH_2]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ule i32 [[N]], [[LENGTH_1:%.*]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i32 0, [[LENGTH_1]]
-; CHECK-NEXT:    [[TMP5:%.*]] = and i1 [[TMP4]], [[TMP3]]
-; CHECK-NEXT:    [[TMP6:%.*]] = and i1 [[TMP2]], [[TMP5]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP6]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_1_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_1:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_1_I:%.*]] = load i32, i32* [[ARRAY_1_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_1:%.*]] = add i32 [[LOOP_ACC]], [[ARRAY_1_I]]
-; CHECK-NEXT:    [[ARRAY_2_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_2:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_2_I:%.*]] = load i32, i32* [[ARRAY_2_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC_1]], [[ARRAY_2_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-  i32* %array.2, i32 %length.2, i32 %n) {
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds.1 = icmp ult i32 %i, %length.1
-  %within.bounds.2 = icmp ult i32 %i, %length.2
-  %within.bounds = and i1 %within.bounds.1, %within.bounds.2
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.1.i.ptr = getelementptr inbounds i32, i32* %array.1, i64 %i.i64
-  %array.1.i = load i32, i32* %array.1.i.ptr, align 4
-  %loop.acc.1 = add i32 %loop.acc, %array.1.i
-
-  %array.2.i.ptr = getelementptr inbounds i32, i32* %array.2, i64 %i.i64
-  %array.2.i = load i32, i32* %array.2.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc.1, %array.2.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @three_range_checks(i32* %array.1, i32 %length.1,
-; CHECK-LABEL: @three_range_checks(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH_3:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH_3]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ule i32 [[N]], [[LENGTH_2:%.*]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i32 0, [[LENGTH_2]]
-; CHECK-NEXT:    [[TMP5:%.*]] = and i1 [[TMP4]], [[TMP3]]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp ule i32 [[N]], [[LENGTH_1:%.*]]
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp ult i32 0, [[LENGTH_1]]
-; CHECK-NEXT:    [[TMP8:%.*]] = and i1 [[TMP7]], [[TMP6]]
-; CHECK-NEXT:    [[TMP9:%.*]] = and i1 [[TMP2]], [[TMP5]]
-; CHECK-NEXT:    [[TMP10:%.*]] = and i1 [[TMP9]], [[TMP8]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP10]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_1_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_1:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_1_I:%.*]] = load i32, i32* [[ARRAY_1_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_1:%.*]] = add i32 [[LOOP_ACC]], [[ARRAY_1_I]]
-; CHECK-NEXT:    [[ARRAY_2_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_2:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_2_I:%.*]] = load i32, i32* [[ARRAY_2_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_2:%.*]] = add i32 [[LOOP_ACC_1]], [[ARRAY_2_I]]
-; CHECK-NEXT:    [[ARRAY_3_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_3:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_3_I:%.*]] = load i32, i32* [[ARRAY_3_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC_2]], [[ARRAY_3_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-  i32* %array.2, i32 %length.2,
-  i32* %array.3, i32 %length.3, i32 %n) {
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds.1 = icmp ult i32 %i, %length.1
-  %within.bounds.2 = icmp ult i32 %i, %length.2
-  %within.bounds.3 = icmp ult i32 %i, %length.3
-  %within.bounds.1.and.2 = and i1 %within.bounds.1, %within.bounds.2
-  %within.bounds = and i1 %within.bounds.1.and.2, %within.bounds.3
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.1.i.ptr = getelementptr inbounds i32, i32* %array.1, i64 %i.i64
-  %array.1.i = load i32, i32* %array.1.i.ptr, align 4
-  %loop.acc.1 = add i32 %loop.acc, %array.1.i
-
-  %array.2.i.ptr = getelementptr inbounds i32, i32* %array.2, i64 %i.i64
-  %array.2.i = load i32, i32* %array.2.i.ptr, align 4
-  %loop.acc.2 = add i32 %loop.acc.1, %array.2.i
-
-  %array.3.i.ptr = getelementptr inbounds i32, i32* %array.3, i64 %i.i64
-  %array.3.i = load i32, i32* %array.3.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc.2, %array.3.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @three_guards(i32* %array.1, i32 %length.1,
-; CHECK-LABEL: @three_guards(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH_1:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH_1]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ule i32 [[N]], [[LENGTH_2:%.*]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i32 0, [[LENGTH_2]]
-; CHECK-NEXT:    [[TMP5:%.*]] = and i1 [[TMP4]], [[TMP3]]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp ule i32 [[N]], [[LENGTH_3:%.*]]
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp ult i32 0, [[LENGTH_3]]
-; CHECK-NEXT:    [[TMP8:%.*]] = and i1 [[TMP7]], [[TMP6]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_1_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_1:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_1_I:%.*]] = load i32, i32* [[ARRAY_1_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_1:%.*]] = add i32 [[LOOP_ACC]], [[ARRAY_1_I]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP5]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[ARRAY_2_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_2:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_2_I:%.*]] = load i32, i32* [[ARRAY_2_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_2:%.*]] = add i32 [[LOOP_ACC_1]], [[ARRAY_2_I]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP8]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[ARRAY_3_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_3:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_3_I:%.*]] = load i32, i32* [[ARRAY_3_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC_2]], [[ARRAY_3_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-  i32* %array.2, i32 %length.2,
-  i32* %array.3, i32 %length.3, i32 %n) {
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-
-  %within.bounds.1 = icmp ult i32 %i, %length.1
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds.1, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.1.i.ptr = getelementptr inbounds i32, i32* %array.1, i64 %i.i64
-  %array.1.i = load i32, i32* %array.1.i.ptr, align 4
-  %loop.acc.1 = add i32 %loop.acc, %array.1.i
-
-  %within.bounds.2 = icmp ult i32 %i, %length.2
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds.2, i32 9) [ "deopt"() ]
-
-  %array.2.i.ptr = getelementptr inbounds i32, i32* %array.2, i64 %i.i64
-  %array.2.i = load i32, i32* %array.2.i.ptr, align 4
-  %loop.acc.2 = add i32 %loop.acc.1, %array.2.i
-
-  %within.bounds.3 = icmp ult i32 %i, %length.3
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds.3, i32 9) [ "deopt"() ]
-
-  %array.3.i.ptr = getelementptr inbounds i32, i32* %array.3, i64 %i.i64
-  %array.3.i = load i32, i32* %array.3.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc.2, %array.3.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_unrelated_condition(i32* %array, i32 %length, i32 %n, i32 %x) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_unrelated_condition(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNRELATED_COND:%.*]] = icmp ult i32 [[X:%.*]], [[LENGTH]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[UNRELATED_COND]], [[TMP2]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %unrelated.cond = icmp ult i32 %x, %length
-  %guard.cond = and i1 %within.bounds, %unrelated.cond
-  call void (i1, ...) @llvm.experimental.guard(i1 %guard.cond, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-; Don't change the guard condition if there were no widened subconditions
-define i32 @test_no_widened_conditions(i32* %array, i32 %length, i32 %n, i32 %x1, i32 %x2, i32 %x3) {
-; CHECK-LABEL: @test_no_widened_conditions(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNRELATED_COND_1:%.*]] = icmp eq i32 [[X1:%.*]], [[I]]
-; CHECK-NEXT:    [[UNRELATED_COND_2:%.*]] = icmp eq i32 [[X2:%.*]], [[I]]
-; CHECK-NEXT:    [[UNRELATED_COND_3:%.*]] = icmp eq i32 [[X3:%.*]], [[I]]
-; CHECK-NEXT:    [[UNRELATED_COND_AND_1:%.*]] = and i1 [[UNRELATED_COND_1]], [[UNRELATED_COND_2]]
-; CHECK-NEXT:    [[GUARD_COND:%.*]] = and i1 [[UNRELATED_COND_AND_1]], [[UNRELATED_COND_3]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[GUARD_COND]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %unrelated.cond.1 = icmp eq i32 %x1, %i
-  %unrelated.cond.2 = icmp eq i32 %x2, %i
-  %unrelated.cond.3 = icmp eq i32 %x3, %i
-  %unrelated.cond.and.1 = and i1 %unrelated.cond.1, %unrelated.cond.2
-  %guard.cond = and i1 %unrelated.cond.and.1, %unrelated.cond.3
-
-  call void (i1, ...) @llvm.experimental.guard(i1 %guard.cond, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_start_to_n_loop_variant_bound(i32* %array, i32 %x, i32 %start, i32 %n) {
-; CHECK-LABEL: @signed_loop_start_to_n_loop_variant_bound(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[START:%.*]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[BOUND:%.*]] = add i32 [[I]], [[X:%.*]]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[BOUND]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %start, %loop.preheader ]
-  %bound = add i32 %i, %x
-  %within.bounds = icmp ult i32 %i, %bound
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_start_to_n_non_monotonic_predicate(i32* %array, i32 %x, i32 %start, i32 %n) {
-; CHECK-LABEL: @signed_loop_start_to_n_non_monotonic_predicate(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[START:%.*]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[GUARD_COND:%.*]] = icmp eq i32 [[I]], [[X:%.*]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[GUARD_COND]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %start, %loop.preheader ]
-  %guard.cond = icmp eq i32 %i, %x
-  call void (i1, ...) @llvm.experimental.guard(i1 %guard.cond, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_hoist_length(i32* %array, i16 %length.i16, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_hoist_length(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = zext i16 [[LENGTH_I16:%.*]] to i32
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ule i32 [[N]], [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 0, [[TMP0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %length = zext i16 %length.i16 to i32
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_cant_hoist_length(i32* %array, i32 %length, i32 %divider, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_cant_hoist_length(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[LENGTH_UDIV:%.*]] = udiv i32 [[LENGTH:%.*]], [[DIVIDER:%.*]]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH_UDIV]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %length.udiv = udiv i32 %length, %divider
-  %within.bounds = icmp ult i32 %i, %length.udiv
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-
-; This is a case where the length information tells us that the guard
-; must trigger on some iteration.
-define i32 @provably_taken(i32* %array, i32* %length.ptr) {
-; CHECK-LABEL: @provably_taken(
-; CHECK-NEXT:  loop.preheader:
-; CHECK-NEXT:    [[LENGTH:%.*]] = load i32, i32* [[LENGTH_PTR:%.*]], !range !1
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP1:%.*]] = and i1 [[TMP0]], false
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER:%.*]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP1]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], 200
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT:%.*]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-loop.preheader:
-  %length = load i32, i32* %length.ptr, !range !{i32 0, i32 50}
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp slt i32 %i.next, 200
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
diff --git a/llvm/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll b/llvm/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll
deleted file mode 100644
index 962040d77ee..00000000000
--- a/llvm/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll
+++ /dev/null
@@ -1,1935 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -loop-predication -loop-predication-predicate-widenable-branches-to-deopt=true < %s 2>&1 | FileCheck %s
-; RUN: opt -S -passes='require<scalar-evolution>,loop(loop-predication)' -loop-predication-predicate-widenable-branches-to-deopt=true < %s 2>&1 | FileCheck %s
-; RUN: opt -S -passes='require<scalar-evolution>,require<branch-prob>,loop(loop-predication)' -loop-predication-predicate-widenable-branches-to-deopt=true < %s 2>&1 | FileCheck %s
-
-declare void @llvm.experimental.guard(i1, ...)
-
-define i32 @unsigned_loop_0_to_n_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_ule_latch_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_ule_latch_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ule i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ule i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_ugt_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_ugt_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ugt i32 %length, %i
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_ult_check_length_range_known(i32* %array, i32* %length.ptr, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_ult_check_length_range_known(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    [[LENGTH:%.*]] = load i32, i32* [[LENGTH_PTR:%.*]], !range !2
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH]]
-; CHECK-NEXT:    [[TMP1:%.*]] = and i1 true, [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP2]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  %length = load i32, i32* %length.ptr, !range !1
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_inverse_latch_predicate(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_inverse_latch_predicate(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp slt i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sgt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[EXIT_LOOPEXIT:%.*]], label [[LOOP]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp sgt i32 %i.next, %n
-  br i1 %continue, label %exit, label %loop, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_sle_latch_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_sle_latch_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp slt i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sle i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp sle i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_preincrement_latch_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_preincrement_latch_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTH:%.*]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp sle i32 [[N]], [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP4]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add i32 %i, 1
-  %continue = icmp slt i32 %i, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_preincrement_latch_check_postincrement_guard_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_preincrement_latch_check_postincrement_guard_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTH:%.*]], -2
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp sle i32 [[N]], [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 1, [[LENGTH]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP4]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %i.next = add i32 %i, 1
-  %within.bounds = icmp ult i32 %i.next, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %continue = icmp slt i32 %i, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_sle_latch_offset_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_sle_latch_offset_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTH:%.*]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i32 [[N]], [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 1, [[LENGTH]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP4]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sle i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %i.offset = add i32 %i, 1
-  %within.bounds = icmp ult i32 %i.offset, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add i32 %i, 1
-  %continue = icmp sle i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_offset_sle_latch_offset_ult_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_offset_sle_latch_offset_ult_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp slt i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 1, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[I_NEXT_OFFSET:%.*]] = add i32 [[I_NEXT]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sle i32 [[I_NEXT_OFFSET]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %i.offset = add i32 %i, 1
-  %within.bounds = icmp ult i32 %i.offset, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add i32 %i, 1
-  %i.next.offset = add i32 %i.next, 1
-  %continue = icmp sle i32 %i.next.offset, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @unsupported_latch_pred_loop_0_to_n(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @unsupported_latch_pred_loop_0_to_n(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WITHIN_BOUNDS]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ne i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp ne i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_unsupported_iv_step(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_unsupported_iv_step(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WITHIN_BOUNDS]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 2
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nsw i32 %i, 2
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_equal_iv_range_check(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_equal_iv_range_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add nsw i32 [[J]], 1
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %j = phi i32 [ %j.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %j, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %j.next = add nsw i32 %j, 1
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_start_to_n_offset_iv_range_check(i32* %array, i32 %start.i, i32 %start.j, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_start_to_n_offset_iv_range_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTH:%.*]], [[START_I:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = sub i32 [[TMP0]], [[START_J:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp sle i32 [[N]], [[TMP1]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ult i32 [[START_J]], [[LENGTH]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[TMP2]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ [[START_I]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[GUARDED]] ], [ [[START_J]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP5:%.*]] = and i1 [[TMP4]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP5]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add i32 [[J]], 1
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ %start.i, %loop.preheader ]
-  %j = phi i32 [ %j.next, %guarded ], [ %start.j, %loop.preheader ]
-  %within.bounds = icmp ult i32 %j, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %j.next = add i32 %j, 1
-  %i.next = add i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_different_iv_types(i32* %array, i16 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_different_iv_types(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i16 [ [[J_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i16 [[J]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WITHIN_BOUNDS]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add i16 [[J]], 1
-; CHECK-NEXT:    [[I_NEXT]] = add i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %j = phi i16 [ %j.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i16 %j, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %j.next = add i16 %j, 1
-  %i.next = add i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_different_iv_strides(i32* %array, i32 %length, i32 %n) {
-; CHECK-LABEL: @signed_loop_0_to_n_different_iv_strides(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[J]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WITHIN_BOUNDS]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add nsw i32 [[J]], 2
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %j = phi i32 [ %j.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %j, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %j.next = add nsw i32 %j, 2
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @two_range_checks(i32* %array.1, i32 %length.1, i32* %array.2, i32 %length.2, i32 %n) {
-; CHECK-LABEL: @two_range_checks(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH_2:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH_2]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ule i32 [[N]], [[LENGTH_1:%.*]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i32 0, [[LENGTH_1]]
-; CHECK-NEXT:    [[TMP5:%.*]] = and i1 [[TMP4]], [[TMP3]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP6:%.*]] = and i1 [[TMP2]], [[TMP5]]
-; CHECK-NEXT:    [[TMP7:%.*]] = and i1 [[TMP6]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP7]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_1_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_1:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_1_I:%.*]] = load i32, i32* [[ARRAY_1_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_1:%.*]] = add i32 [[LOOP_ACC]], [[ARRAY_1_I]]
-; CHECK-NEXT:    [[ARRAY_2_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_2:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_2_I:%.*]] = load i32, i32* [[ARRAY_2_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC_1]], [[ARRAY_2_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds.1 = icmp ult i32 %i, %length.1
-  %within.bounds.2 = icmp ult i32 %i, %length.2
-  %within.bounds = and i1 %within.bounds.1, %within.bounds.2
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.1.i.ptr = getelementptr inbounds i32, i32* %array.1, i64 %i.i64
-  %array.1.i = load i32, i32* %array.1.i.ptr, align 4
-  %loop.acc.1 = add i32 %loop.acc, %array.1.i
-  %array.2.i.ptr = getelementptr inbounds i32, i32* %array.2, i64 %i.i64
-  %array.2.i = load i32, i32* %array.2.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc.1, %array.2.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @three_range_checks(i32* %array.1, i32 %length.1, i32* %array.2, i32 %length.2, i32* %array.3, i32 %length.3, i32 %n) {
-; CHECK-LABEL: @three_range_checks(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH_3:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH_3]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ule i32 [[N]], [[LENGTH_2:%.*]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i32 0, [[LENGTH_2]]
-; CHECK-NEXT:    [[TMP5:%.*]] = and i1 [[TMP4]], [[TMP3]]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp ule i32 [[N]], [[LENGTH_1:%.*]]
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp ult i32 0, [[LENGTH_1]]
-; CHECK-NEXT:    [[TMP8:%.*]] = and i1 [[TMP7]], [[TMP6]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP9:%.*]] = and i1 [[TMP2]], [[TMP5]]
-; CHECK-NEXT:    [[TMP10:%.*]] = and i1 [[TMP9]], [[TMP8]]
-; CHECK-NEXT:    [[TMP11:%.*]] = and i1 [[TMP10]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP11]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_1_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_1:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_1_I:%.*]] = load i32, i32* [[ARRAY_1_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_1:%.*]] = add i32 [[LOOP_ACC]], [[ARRAY_1_I]]
-; CHECK-NEXT:    [[ARRAY_2_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_2:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_2_I:%.*]] = load i32, i32* [[ARRAY_2_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_2:%.*]] = add i32 [[LOOP_ACC_1]], [[ARRAY_2_I]]
-; CHECK-NEXT:    [[ARRAY_3_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_3:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_3_I:%.*]] = load i32, i32* [[ARRAY_3_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC_2]], [[ARRAY_3_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds.1 = icmp ult i32 %i, %length.1
-  %within.bounds.2 = icmp ult i32 %i, %length.2
-  %within.bounds.3 = icmp ult i32 %i, %length.3
-  %within.bounds.1.and.2 = and i1 %within.bounds.1, %within.bounds.2
-  %within.bounds = and i1 %within.bounds.1.and.2, %within.bounds.3
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.1.i.ptr = getelementptr inbounds i32, i32* %array.1, i64 %i.i64
-  %array.1.i = load i32, i32* %array.1.i.ptr, align 4
-  %loop.acc.1 = add i32 %loop.acc, %array.1.i
-  %array.2.i.ptr = getelementptr inbounds i32, i32* %array.2, i64 %i.i64
-  %array.2.i = load i32, i32* %array.2.i.ptr, align 4
-  %loop.acc.2 = add i32 %loop.acc.1, %array.2.i
-  %array.3.i.ptr = getelementptr inbounds i32, i32* %array.3, i64 %i.i64
-  %array.3.i = load i32, i32* %array.3.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc.2, %array.3.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @three_guards(i32* %array.1, i32 %length.1, i32* %array.2, i32 %length.2, i32* %array.3, i32 %length.3, i32 %n) {
-; CHECK-LABEL: @three_guards(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH_1:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH_1]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ule i32 [[N]], [[LENGTH_2:%.*]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp ult i32 0, [[LENGTH_2]]
-; CHECK-NEXT:    [[TMP5:%.*]] = and i1 [[TMP4]], [[TMP3]]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp ule i32 [[N]], [[LENGTH_3:%.*]]
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp ult i32 0, [[LENGTH_3]]
-; CHECK-NEXT:    [[TMP8:%.*]] = and i1 [[TMP7]], [[TMP6]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED6:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED6]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP9:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP9]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_1_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_1:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_1_I:%.*]] = load i32, i32* [[ARRAY_1_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_1:%.*]] = add i32 [[LOOP_ACC]], [[ARRAY_1_I]]
-; CHECK-NEXT:    [[WIDENABLE_COND4:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP10:%.*]] = and i1 [[TMP5]], [[WIDENABLE_COND4]]
-; CHECK-NEXT:    br i1 [[TMP10]], label [[GUARDED1:%.*]], label [[DEOPT2:%.*]], !prof !0
-; CHECK:       deopt2:
-; CHECK-NEXT:    [[DEOPTCALL3:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL3]]
-; CHECK:       guarded1:
-; CHECK-NEXT:    [[ARRAY_2_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_2:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_2_I:%.*]] = load i32, i32* [[ARRAY_2_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_2:%.*]] = add i32 [[LOOP_ACC_1]], [[ARRAY_2_I]]
-; CHECK-NEXT:    [[WIDENABLE_COND9:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP11:%.*]] = and i1 [[TMP8]], [[WIDENABLE_COND9]]
-; CHECK-NEXT:    br i1 [[TMP11]], label [[GUARDED6]], label [[DEOPT7:%.*]], !prof !0
-; CHECK:       deopt7:
-; CHECK-NEXT:    [[DEOPTCALL8:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL8]]
-; CHECK:       guarded6:
-; CHECK-NEXT:    [[ARRAY_3_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY_3:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_3_I:%.*]] = load i32, i32* [[ARRAY_3_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC_2]], [[ARRAY_3_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED6]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded6, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded6 ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded6 ], [ 0, %loop.preheader ]
-  %within.bounds.1 = icmp ult i32 %i, %length.1
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds.1, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.1.i.ptr = getelementptr inbounds i32, i32* %array.1, i64 %i.i64
-  %array.1.i = load i32, i32* %array.1.i.ptr, align 4
-  %loop.acc.1 = add i32 %loop.acc, %array.1.i
-  %within.bounds.2 = icmp ult i32 %i, %length.2
-  %widenable_cond4 = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond5 = and i1 %within.bounds.2, %widenable_cond4
-  br i1 %exiplicit_guard_cond5, label %guarded1, label %deopt2, !prof !0
-
-deopt2:                                           ; preds = %guarded
-  %deoptcall3 = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall3
-
-guarded1:                                         ; preds = %guarded
-  %array.2.i.ptr = getelementptr inbounds i32, i32* %array.2, i64 %i.i64
-  %array.2.i = load i32, i32* %array.2.i.ptr, align 4
-  %loop.acc.2 = add i32 %loop.acc.1, %array.2.i
-  %within.bounds.3 = icmp ult i32 %i, %length.3
-  %widenable_cond9 = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond10 = and i1 %within.bounds.3, %widenable_cond9
-  br i1 %exiplicit_guard_cond10, label %guarded6, label %deopt7, !prof !0
-
-deopt7:                                           ; preds = %guarded1
-  %deoptcall8 = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall8
-
-guarded6:                                         ; preds = %guarded1
-  %array.3.i.ptr = getelementptr inbounds i32, i32* %array.3, i64 %i.i64
-  %array.3.i = load i32, i32* %array.3.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc.2, %array.3.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded6, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded6 ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_unrelated_condition(i32* %array, i32 %length, i32 %n, i32 %x) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_unrelated_condition(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNRELATED_COND:%.*]] = icmp ult i32 [[X:%.*]], [[LENGTH]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[UNRELATED_COND]], [[TMP2]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP4]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %unrelated.cond = icmp ult i32 %x, %length
-  %guard.cond = and i1 %within.bounds, %unrelated.cond
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %guard.cond, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @test_no_widened_conditions(i32* %array, i32 %length, i32 %n, i32 %x1, i32 %x2, i32 %x3) {
-; CHECK-LABEL: @test_no_widened_conditions(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNRELATED_COND_1:%.*]] = icmp eq i32 [[X1:%.*]], [[I]]
-; CHECK-NEXT:    [[UNRELATED_COND_2:%.*]] = icmp eq i32 [[X2:%.*]], [[I]]
-; CHECK-NEXT:    [[UNRELATED_COND_3:%.*]] = icmp eq i32 [[X3:%.*]], [[I]]
-; CHECK-NEXT:    [[UNRELATED_COND_AND_1:%.*]] = and i1 [[UNRELATED_COND_1]], [[UNRELATED_COND_2]]
-; CHECK-NEXT:    [[GUARD_COND:%.*]] = and i1 [[UNRELATED_COND_AND_1]], [[UNRELATED_COND_3]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[GUARD_COND]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %unrelated.cond.1 = icmp eq i32 %x1, %i
-  %unrelated.cond.2 = icmp eq i32 %x2, %i
-  %unrelated.cond.3 = icmp eq i32 %x3, %i
-  %unrelated.cond.and.1 = and i1 %unrelated.cond.1, %unrelated.cond.2
-  %guard.cond = and i1 %unrelated.cond.and.1, %unrelated.cond.3
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %guard.cond, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_start_to_n_loop_variant_bound(i32* %array, i32 %x, i32 %start, i32 %n) {
-; CHECK-LABEL: @signed_loop_start_to_n_loop_variant_bound(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ [[START:%.*]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[BOUND:%.*]] = add i32 [[I]], [[X:%.*]]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[BOUND]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WITHIN_BOUNDS]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ %start, %loop.preheader ]
-  %bound = add i32 %i, %x
-  %within.bounds = icmp ult i32 %i, %bound
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_start_to_n_non_monotonic_predicate(i32* %array, i32 %x, i32 %start, i32 %n) {
-; CHECK-LABEL: @signed_loop_start_to_n_non_monotonic_predicate(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ [[START:%.*]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[GUARD_COND:%.*]] = icmp eq i32 [[I]], [[X:%.*]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[GUARD_COND]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ %start, %loop.preheader ]
-  %guard.cond = icmp eq i32 %i, %x
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %guard.cond, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nsw i32 %i, 1
-  %continue = icmp slt i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_hoist_length(i32* %array, i16 %length.i16, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_hoist_length(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = zext i16 [[LENGTH_I16:%.*]] to i32
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ule i32 [[N]], [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 0, [[TMP0]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[TMP4]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %length = zext i16 %length.i16 to i32
-  %within.bounds = icmp ult i32 %i, %length
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-define i32 @unsigned_loop_0_to_n_cant_hoist_length(i32* %array, i32 %length, i32 %divider, i32 %n) {
-; CHECK-LABEL: @unsigned_loop_0_to_n_cant_hoist_length(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[LENGTH_UDIV:%.*]] = udiv i32 [[LENGTH:%.*]], [[DIVIDER:%.*]]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH_UDIV]]
-; CHECK-NEXT:    [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
-; CHECK-NEXT:    [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WITHIN_BOUNDS]], [[WIDENABLE_COND]]
-; CHECK-NEXT:    br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:                                             ; preds = %guarded, %loop.preheader
-  %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %length.udiv = udiv i32 %length, %divider
-  %within.bounds = icmp ult i32 %i, %length.udiv
-  %widenable_cond = call i1 @llvm.experimental.widenable.condition()
-  %exiplicit_guard_cond = and i1 %within.bounds, %widenable_cond
-  br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0
-
-deopt:                                            ; preds = %loop
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ]
-  ret i32 %result
-}
-
-; Make sure that if we're going to consider a branch widenable, that the
-; call to widenable condition is actually present.
-define i32 @negative_WC_required(i32* %array, i32 %length, i32 %n, i1 %unrelated) {
-; CHECK-LABEL: @negative_WC_required(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[NOT_WIDENABLE:%.*]] = and i1 [[WITHIN_BOUNDS]], [[UNRELATED:%.*]]
-; CHECK-NEXT:    br i1 [[NOT_WIDENABLE]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
-; CHECK:       deopt:
-; CHECK-NEXT:    [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-; CHECK-NEXT:    ret i32 [[DEOPTCALL]]
-; CHECK:       guarded:
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    store i32 0, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    ret i32 0
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:                                   ; preds = %entry
-  br label %loop
-
-loop:
-  %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %not_widenable = and i1 %within.bounds, %unrelated
-  br i1 %not_widenable, label %guarded, label %deopt, !prof !0
-
-deopt:
-  %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
-  ret i32 %deoptcall
-
-guarded:                                          ; preds = %loop
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  store i32 0, i32* %array.i.ptr, align 4
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit, !prof !2
-
-exit:                                             ; preds = %guarded, %entry
-  ret i32 0
-}
-
-
-declare i32 @llvm.experimental.deoptimize.i32(...)
-
-; Function Attrs: inaccessiblememonly nounwind
-declare i1 @llvm.experimental.widenable.condition() #0
-
-attributes #0 = { inaccessiblememonly nounwind }
-
-!0 = !{!"branch_weights", i32 1048576, i32 1}
-!1 = !{i32 1, i32 -2147483648}
-!2 = !{!"branch_weights", i32 1024, i32 1}
diff --git a/llvm/test/Transforms/LoopPredication/invariant_load.ll b/llvm/test/Transforms/LoopPredication/invariant_load.ll
deleted file mode 100644
index 36e9c38d20a..00000000000
--- a/llvm/test/Transforms/LoopPredication/invariant_load.ll
+++ /dev/null
@@ -1,371 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -basicaa -loop-predication < %s 2>&1 | FileCheck %s
-; RUN: opt -S -aa-pipeline=basic-aa -passes='require<aa>,require<scalar-evolution>,loop(loop-predication)' < %s 2>&1 | FileCheck %s
-
-declare void @llvm.experimental.guard(i1, ...)
-
-@UNKNOWN = external global i1
-
-define i32 @neg_length_variant(i32* %array, i32* %length, i32 %n) {
-; CHECK-LABEL: @neg_length_variant(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNKNOWN:%.*]] = load volatile i1, i1* @UNKNOWN
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[UNKNOWN]]) [ "deopt"() ]
-; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* [[LENGTH:%.*]], align 4
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LEN]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %unknown = load volatile i1, i1* @UNKNOWN
-  call void (i1, ...) @llvm.experimental.guard(i1 %unknown) [ "deopt"() ]
-  %len = load i32, i32* %length, align 4
-  %within.bounds = icmp ult i32 %i, %len
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @invariant_load_guard_limit(i32* %array, i32* %length, i32 %n) {
-; CHECK-LABEL: @invariant_load_guard_limit(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNKNOWN:%.*]] = load volatile i1, i1* @UNKNOWN
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[UNKNOWN]]) [ "deopt"() ]
-; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* [[LENGTH:%.*]], align 4, !invariant.load !0
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LEN]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %unknown = load volatile i1, i1* @UNKNOWN
-  call void (i1, ...) @llvm.experimental.guard(i1 %unknown) [ "deopt"() ]
-  %len = load i32, i32* %length, align 4, !invariant.load !{}
-  %within.bounds = icmp ult i32 %i, %len
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-; This is a case where moving the load which provides the limit for the latch
-; would be invalid, so we can't preform the tempting transform.  Loading the
-; latch limit may fault since we could always fail the guard.
-define i32 @neg_invariant_load_latch_limit(i32* %array, i32* %length, i32 %n) {
-; CHECK-LABEL: @neg_invariant_load_latch_limit(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNKNOWN:%.*]] = load volatile i1, i1* @UNKNOWN
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[UNKNOWN]]) [ "deopt"() ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[N]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* [[LENGTH:%.*]], align 4, !invariant.load !0
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[LEN]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %unknown = load volatile i1, i1* @UNKNOWN
-  call void (i1, ...) @llvm.experimental.guard(i1 %unknown) [ "deopt"() ]
-  %within.bounds = icmp ult i32 %i, %n
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %len = load i32, i32* %length, align 4, !invariant.load !{}
-  %continue = icmp ult i32 %i.next, %len
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @invariant_load_latch_limit(i32* %array,
-; CHECK-LABEL: @invariant_load_latch_limit(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNKNOWN:%.*]] = load volatile i1, i1* @UNKNOWN
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[UNKNOWN]]) [ "deopt"() ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[N]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* [[LENGTH:%.*]], align 4, !invariant.load !0
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[LEN]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-  i32* dereferenceable(4) %length,
-  i32 %n) {
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %unknown = load volatile i1, i1* @UNKNOWN
-  call void (i1, ...) @llvm.experimental.guard(i1 %unknown) [ "deopt"() ]
-  %within.bounds = icmp ult i32 %i, %n
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %len = load i32, i32* %length, align 4, !invariant.load !{}
-  %continue = icmp ult i32 %i.next, %len
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-
-
-@Length = external constant i32
-
-define i32 @constant_memory(i32* %array, i32 %n) {
-; CHECK-LABEL: @constant_memory(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNKNOWN:%.*]] = load volatile i1, i1* @UNKNOWN
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[UNKNOWN]]) [ "deopt"() ]
-; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* @Length, align 4
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LEN]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %unknown = load volatile i1, i1* @UNKNOWN
-  call void (i1, ...) @llvm.experimental.guard(i1 %unknown) [ "deopt"() ]
-  %len = load i32, i32* @Length, align 4
-  %within.bounds = icmp ult i32 %i, %len
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @constant_length(i32* %array, i32 %n) {
-; CHECK-LABEL: @constant_length(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], 20
-; CHECK-NEXT:    [[TMP1:%.*]] = and i1 true, [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNKNOWN:%.*]] = load volatile i1, i1* @UNKNOWN
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[UNKNOWN]]) [ "deopt"() ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP1]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %unknown = load volatile i1, i1* @UNKNOWN
-  call void (i1, ...) @llvm.experimental.guard(i1 %unknown) [ "deopt"() ]
-  %within.bounds = icmp ult i32 %i, 20
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-
diff --git a/llvm/test/Transforms/LoopPredication/nested.ll b/llvm/test/Transforms/LoopPredication/nested.ll
deleted file mode 100644
index 9c257386674..00000000000
--- a/llvm/test/Transforms/LoopPredication/nested.ll
+++ /dev/null
@@ -1,352 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -loop-predication < %s 2>&1 | FileCheck %s
-; RUN: opt -S -passes='require<scalar-evolution>,loop(loop-predication)' < %s 2>&1 | FileCheck %s
-
-declare void @llvm.experimental.guard(i1, ...)
-
-define i32 @signed_loop_0_to_n_nested_0_to_l_inner_index_check(i32* %array, i32 %length, i32 %n, i32 %l) {
-; CHECK-LABEL: @signed_loop_0_to_n_nested_0_to_l_inner_index_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[OUTER_LOOP_PREHEADER:%.*]]
-; CHECK:       outer.loop.preheader:
-; CHECK-NEXT:    br label [[OUTER_LOOP:%.*]]
-; CHECK:       outer.loop:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC:%.*]] = phi i32 [ [[OUTER_LOOP_ACC_NEXT:%.*]], [[OUTER_LOOP_INC:%.*]] ], [ 0, [[OUTER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[OUTER_LOOP_INC]] ], [ 0, [[OUTER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp sle i32 [[L:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP6]], label [[OUTER_LOOP_INC]], label [[INNER_LOOP_PREHEADER:%.*]]
-; CHECK:       inner.loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[L]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[INNER_LOOP:%.*]]
-; CHECK:       inner.loop:
-; CHECK-NEXT:    [[INNER_LOOP_ACC:%.*]] = phi i32 [ [[INNER_LOOP_ACC_NEXT:%.*]], [[INNER_LOOP]] ], [ [[OUTER_LOOP_ACC]], [[INNER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[INNER_LOOP]] ], [ 0, [[INNER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[J_I64:%.*]] = zext i32 [[J]] to i64
-; CHECK-NEXT:    [[ARRAY_J_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[J_I64]]
-; CHECK-NEXT:    [[ARRAY_J:%.*]] = load i32, i32* [[ARRAY_J_PTR]], align 4
-; CHECK-NEXT:    [[INNER_LOOP_ACC_NEXT]] = add i32 [[INNER_LOOP_ACC]], [[ARRAY_J]]
-; CHECK-NEXT:    [[J_NEXT]] = add nsw i32 [[J]], 1
-; CHECK-NEXT:    [[INNER_CONTINUE:%.*]] = icmp slt i32 [[J_NEXT]], [[L]]
-; CHECK-NEXT:    br i1 [[INNER_CONTINUE]], label [[INNER_LOOP]], label [[OUTER_LOOP_INC_LOOPEXIT:%.*]]
-; CHECK:       outer.loop.inc.loopexit:
-; CHECK-NEXT:    [[INNER_LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[INNER_LOOP_ACC_NEXT]], [[INNER_LOOP]] ]
-; CHECK-NEXT:    br label [[OUTER_LOOP_INC]]
-; CHECK:       outer.loop.inc:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC_NEXT]] = phi i32 [ [[OUTER_LOOP_ACC]], [[OUTER_LOOP]] ], [ [[INNER_LOOP_ACC_NEXT_LCSSA]], [[OUTER_LOOP_INC_LOOPEXIT]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[OUTER_CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[OUTER_CONTINUE]], label [[OUTER_LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[OUTER_LOOP_ACC_NEXT]], [[OUTER_LOOP_INC]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OUTER_LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %outer.loop.preheader
-
-outer.loop.preheader:
-  br label %outer.loop
-
-outer.loop:
-  %outer.loop.acc = phi i32 [ %outer.loop.acc.next, %outer.loop.inc ], [ 0, %outer.loop.preheader ]
-  %i = phi i32 [ %i.next, %outer.loop.inc ], [ 0, %outer.loop.preheader ]
-  %tmp6 = icmp sle i32 %l, 0
-  br i1 %tmp6, label %outer.loop.inc, label %inner.loop.preheader
-
-inner.loop.preheader:
-  br label %inner.loop
-
-inner.loop:
-  %inner.loop.acc = phi i32 [ %inner.loop.acc.next, %inner.loop ], [ %outer.loop.acc, %inner.loop.preheader ]
-  %j = phi i32 [ %j.next, %inner.loop ], [ 0, %inner.loop.preheader ]
-
-  %within.bounds = icmp ult i32 %j, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %j.i64 = zext i32 %j to i64
-  %array.j.ptr = getelementptr inbounds i32, i32* %array, i64 %j.i64
-  %array.j = load i32, i32* %array.j.ptr, align 4
-  %inner.loop.acc.next = add i32 %inner.loop.acc, %array.j
-
-  %j.next = add nsw i32 %j, 1
-  %inner.continue = icmp slt i32 %j.next, %l
-  br i1 %inner.continue, label %inner.loop, label %outer.loop.inc
-
-outer.loop.inc:
-  %outer.loop.acc.next = phi i32 [ %inner.loop.acc.next, %inner.loop ], [ %outer.loop.acc, %outer.loop ]
-  %i.next = add nsw i32 %i, 1
-  %outer.continue = icmp slt i32 %i.next, %n
-  br i1 %outer.continue, label %outer.loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %outer.loop.acc.next, %outer.loop.inc ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_nested_0_to_l_outer_index_check(i32* %array, i32 %length, i32 %n, i32 %l) {
-; CHECK-LABEL: @signed_loop_0_to_n_nested_0_to_l_outer_index_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[OUTER_LOOP_PREHEADER:%.*]]
-; CHECK:       outer.loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[OUTER_LOOP:%.*]]
-; CHECK:       outer.loop:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC:%.*]] = phi i32 [ [[OUTER_LOOP_ACC_NEXT:%.*]], [[OUTER_LOOP_INC:%.*]] ], [ 0, [[OUTER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[OUTER_LOOP_INC]] ], [ 0, [[OUTER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp sle i32 [[L:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP6]], label [[OUTER_LOOP_INC]], label [[INNER_LOOP_PREHEADER:%.*]]
-; CHECK:       inner.loop.preheader:
-; CHECK-NEXT:    br label [[INNER_LOOP:%.*]]
-; CHECK:       inner.loop:
-; CHECK-NEXT:    [[INNER_LOOP_ACC:%.*]] = phi i32 [ [[INNER_LOOP_ACC_NEXT:%.*]], [[INNER_LOOP]] ], [ [[OUTER_LOOP_ACC]], [[INNER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[INNER_LOOP]] ], [ 0, [[INNER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[INNER_LOOP_ACC_NEXT]] = add i32 [[INNER_LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[J_NEXT]] = add nsw i32 [[J]], 1
-; CHECK-NEXT:    [[INNER_CONTINUE:%.*]] = icmp slt i32 [[J_NEXT]], [[L]]
-; CHECK-NEXT:    br i1 [[INNER_CONTINUE]], label [[INNER_LOOP]], label [[OUTER_LOOP_INC_LOOPEXIT:%.*]]
-; CHECK:       outer.loop.inc.loopexit:
-; CHECK-NEXT:    [[INNER_LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[INNER_LOOP_ACC_NEXT]], [[INNER_LOOP]] ]
-; CHECK-NEXT:    br label [[OUTER_LOOP_INC]]
-; CHECK:       outer.loop.inc:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC_NEXT]] = phi i32 [ [[OUTER_LOOP_ACC]], [[OUTER_LOOP]] ], [ [[INNER_LOOP_ACC_NEXT_LCSSA]], [[OUTER_LOOP_INC_LOOPEXIT]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[OUTER_CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[OUTER_CONTINUE]], label [[OUTER_LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[OUTER_LOOP_ACC_NEXT]], [[OUTER_LOOP_INC]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OUTER_LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %outer.loop.preheader
-
-outer.loop.preheader:
-  br label %outer.loop
-
-outer.loop:
-  %outer.loop.acc = phi i32 [ %outer.loop.acc.next, %outer.loop.inc ], [ 0, %outer.loop.preheader ]
-  %i = phi i32 [ %i.next, %outer.loop.inc ], [ 0, %outer.loop.preheader ]
-  %tmp6 = icmp sle i32 %l, 0
-  br i1 %tmp6, label %outer.loop.inc, label %inner.loop.preheader
-
-inner.loop.preheader:
-  br label %inner.loop
-
-inner.loop:
-
-  %inner.loop.acc = phi i32 [ %inner.loop.acc.next, %inner.loop ], [ %outer.loop.acc, %inner.loop.preheader ]
-  %j = phi i32 [ %j.next, %inner.loop ], [ 0, %inner.loop.preheader ]
-
-  %within.bounds = icmp ult i32 %i, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %inner.loop.acc.next = add i32 %inner.loop.acc, %array.i
-
-  %j.next = add nsw i32 %j, 1
-  %inner.continue = icmp slt i32 %j.next, %l
-  br i1 %inner.continue, label %inner.loop, label %outer.loop.inc
-
-outer.loop.inc:
-  %outer.loop.acc.next = phi i32 [ %inner.loop.acc.next, %inner.loop ], [ %outer.loop.acc, %outer.loop ]
-  %i.next = add nsw i32 %i, 1
-  %outer.continue = icmp slt i32 %i.next, %n
-  br i1 %outer.continue, label %outer.loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %outer.loop.acc.next, %outer.loop.inc ]
-  ret i32 %result
-}
-
-define i32 @signed_loop_0_to_n_nested_i_to_l_inner_index_check(i32* %array, i32 %length, i32 %n, i32 %l) {
-; CHECK-LABEL: @signed_loop_0_to_n_nested_i_to_l_inner_index_check(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[OUTER_LOOP_PREHEADER:%.*]]
-; CHECK:       outer.loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[OUTER_LOOP:%.*]]
-; CHECK:       outer.loop:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC:%.*]] = phi i32 [ [[OUTER_LOOP_ACC_NEXT:%.*]], [[OUTER_LOOP_INC:%.*]] ], [ 0, [[OUTER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[OUTER_LOOP_INC]] ], [ 0, [[OUTER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp sle i32 [[L:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP6]], label [[OUTER_LOOP_INC]], label [[INNER_LOOP_PREHEADER:%.*]]
-; CHECK:       inner.loop.preheader:
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp sle i32 [[L]], [[LENGTH]]
-; CHECK-NEXT:    br label [[INNER_LOOP:%.*]]
-; CHECK:       inner.loop:
-; CHECK-NEXT:    [[INNER_LOOP_ACC:%.*]] = phi i32 [ [[INNER_LOOP_ACC_NEXT:%.*]], [[INNER_LOOP]] ], [ [[OUTER_LOOP_ACC]], [[INNER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[INNER_LOOP]] ], [ [[I]], [[INNER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[TMP2]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP4]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[J_I64:%.*]] = zext i32 [[J]] to i64
-; CHECK-NEXT:    [[ARRAY_J_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[J_I64]]
-; CHECK-NEXT:    [[ARRAY_J:%.*]] = load i32, i32* [[ARRAY_J_PTR]], align 4
-; CHECK-NEXT:    [[INNER_LOOP_ACC_NEXT]] = add i32 [[INNER_LOOP_ACC]], [[ARRAY_J]]
-; CHECK-NEXT:    [[J_NEXT]] = add nsw i32 [[J]], 1
-; CHECK-NEXT:    [[INNER_CONTINUE:%.*]] = icmp slt i32 [[J_NEXT]], [[L]]
-; CHECK-NEXT:    br i1 [[INNER_CONTINUE]], label [[INNER_LOOP]], label [[OUTER_LOOP_INC_LOOPEXIT:%.*]]
-; CHECK:       outer.loop.inc.loopexit:
-; CHECK-NEXT:    [[INNER_LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[INNER_LOOP_ACC_NEXT]], [[INNER_LOOP]] ]
-; CHECK-NEXT:    br label [[OUTER_LOOP_INC]]
-; CHECK:       outer.loop.inc:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC_NEXT]] = phi i32 [ [[OUTER_LOOP_ACC]], [[OUTER_LOOP]] ], [ [[INNER_LOOP_ACC_NEXT_LCSSA]], [[OUTER_LOOP_INC_LOOPEXIT]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[OUTER_CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[OUTER_CONTINUE]], label [[OUTER_LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[OUTER_LOOP_ACC_NEXT]], [[OUTER_LOOP_INC]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OUTER_LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %outer.loop.preheader
-
-outer.loop.preheader:
-  br label %outer.loop
-
-outer.loop:
-  %outer.loop.acc = phi i32 [ %outer.loop.acc.next, %outer.loop.inc ], [ 0, %outer.loop.preheader ]
-  %i = phi i32 [ %i.next, %outer.loop.inc ], [ 0, %outer.loop.preheader ]
-  %tmp6 = icmp sle i32 %l, 0
-  br i1 %tmp6, label %outer.loop.inc, label %inner.loop.preheader
-
-inner.loop.preheader:
-  br label %inner.loop
-
-inner.loop:
-  %inner.loop.acc = phi i32 [ %inner.loop.acc.next, %inner.loop ], [ %outer.loop.acc, %inner.loop.preheader ]
-  %j = phi i32 [ %j.next, %inner.loop ], [ %i, %inner.loop.preheader ]
-
-  %within.bounds = icmp ult i32 %j, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %j.i64 = zext i32 %j to i64
-  %array.j.ptr = getelementptr inbounds i32, i32* %array, i64 %j.i64
-  %array.j = load i32, i32* %array.j.ptr, align 4
-  %inner.loop.acc.next = add i32 %inner.loop.acc, %array.j
-
-  %j.next = add nsw i32 %j, 1
-  %inner.continue = icmp slt i32 %j.next, %l
-  br i1 %inner.continue, label %inner.loop, label %outer.loop.inc
-
-outer.loop.inc:
-  %outer.loop.acc.next = phi i32 [ %inner.loop.acc.next, %inner.loop ], [ %outer.loop.acc, %outer.loop ]
-  %i.next = add nsw i32 %i, 1
-  %outer.continue = icmp slt i32 %i.next, %n
-  br i1 %outer.continue, label %outer.loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %outer.loop.acc.next, %outer.loop.inc ]
-  ret i32 %result
-}
-
-define i32 @cant_expand_guard_check_start(i32* %array, i32 %length, i32 %n, i32 %l, i32 %maybezero) {
-; CHECK-LABEL: @cant_expand_guard_check_start(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sle i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[OUTER_LOOP_PREHEADER:%.*]]
-; CHECK:       outer.loop.preheader:
-; CHECK-NEXT:    br label [[OUTER_LOOP:%.*]]
-; CHECK:       outer.loop:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC:%.*]] = phi i32 [ [[OUTER_LOOP_ACC_NEXT:%.*]], [[OUTER_LOOP_INC:%.*]] ], [ 0, [[OUTER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[OUTER_LOOP_INC]] ], [ 0, [[OUTER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp sle i32 [[L:%.*]], 0
-; CHECK-NEXT:    [[DIV:%.*]] = udiv i32 [[I]], [[MAYBEZERO:%.*]]
-; CHECK-NEXT:    br i1 [[TMP6]], label [[OUTER_LOOP_INC]], label [[INNER_LOOP_PREHEADER:%.*]]
-; CHECK:       inner.loop.preheader:
-; CHECK-NEXT:    br label [[INNER_LOOP:%.*]]
-; CHECK:       inner.loop:
-; CHECK-NEXT:    [[INNER_LOOP_ACC:%.*]] = phi i32 [ [[INNER_LOOP_ACC_NEXT:%.*]], [[INNER_LOOP]] ], [ [[OUTER_LOOP_ACC]], [[INNER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[J:%.*]] = phi i32 [ [[J_NEXT:%.*]], [[INNER_LOOP]] ], [ [[DIV]], [[INNER_LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[J]], [[LENGTH:%.*]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[J_I64:%.*]] = zext i32 [[J]] to i64
-; CHECK-NEXT:    [[ARRAY_J_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[J_I64]]
-; CHECK-NEXT:    [[ARRAY_J:%.*]] = load i32, i32* [[ARRAY_J_PTR]], align 4
-; CHECK-NEXT:    [[INNER_LOOP_ACC_NEXT]] = add i32 [[INNER_LOOP_ACC]], [[ARRAY_J]]
-; CHECK-NEXT:    [[J_NEXT]] = add nsw i32 [[J]], 1
-; CHECK-NEXT:    [[INNER_CONTINUE:%.*]] = icmp slt i32 [[J_NEXT]], [[L]]
-; CHECK-NEXT:    br i1 [[INNER_CONTINUE]], label [[INNER_LOOP]], label [[OUTER_LOOP_INC_LOOPEXIT:%.*]]
-; CHECK:       outer.loop.inc.loopexit:
-; CHECK-NEXT:    [[INNER_LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[INNER_LOOP_ACC_NEXT]], [[INNER_LOOP]] ]
-; CHECK-NEXT:    br label [[OUTER_LOOP_INC]]
-; CHECK:       outer.loop.inc:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC_NEXT]] = phi i32 [ [[OUTER_LOOP_ACC]], [[OUTER_LOOP]] ], [ [[INNER_LOOP_ACC_NEXT_LCSSA]], [[OUTER_LOOP_INC_LOOPEXIT]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], 1
-; CHECK-NEXT:    [[OUTER_CONTINUE:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[OUTER_CONTINUE]], label [[OUTER_LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[OUTER_LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[OUTER_LOOP_ACC_NEXT]], [[OUTER_LOOP_INC]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OUTER_LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp sle i32 %n, 0
-  br i1 %tmp5, label %exit, label %outer.loop.preheader
-
-outer.loop.preheader:
-  br label %outer.loop
-
-outer.loop:
-  %outer.loop.acc = phi i32 [ %outer.loop.acc.next, %outer.loop.inc ], [ 0, %outer.loop.preheader ]
-  %i = phi i32 [ %i.next, %outer.loop.inc ], [ 0, %outer.loop.preheader ]
-  %tmp6 = icmp sle i32 %l, 0
-  %div = udiv i32 %i, %maybezero
-  br i1 %tmp6, label %outer.loop.inc, label %inner.loop.preheader
-
-inner.loop.preheader:
-  br label %inner.loop
-
-inner.loop:
-  %inner.loop.acc = phi i32 [ %inner.loop.acc.next, %inner.loop ], [ %outer.loop.acc, %inner.loop.preheader ]
-  %j = phi i32 [ %j.next, %inner.loop ], [ %div, %inner.loop.preheader ]
-
-  %within.bounds = icmp ult i32 %j, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-
-  %j.i64 = zext i32 %j to i64
-  %array.j.ptr = getelementptr inbounds i32, i32* %array, i64 %j.i64
-  %array.j = load i32, i32* %array.j.ptr, align 4
-  %inner.loop.acc.next = add i32 %inner.loop.acc, %array.j
-
-  %j.next = add nsw i32 %j, 1
-  %inner.continue = icmp slt i32 %j.next, %l
-  br i1 %inner.continue, label %inner.loop, label %outer.loop.inc
-
-outer.loop.inc:
-  %outer.loop.acc.next = phi i32 [ %inner.loop.acc.next, %inner.loop ], [ %outer.loop.acc, %outer.loop ]
-  %i.next = add nsw i32 %i, 1
-  %outer.continue = icmp slt i32 %i.next, %n
-  br i1 %outer.continue, label %outer.loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %outer.loop.acc.next, %outer.loop.inc ]
-  ret i32 %result
-}
diff --git a/llvm/test/Transforms/LoopPredication/profitability.ll b/llvm/test/Transforms/LoopPredication/profitability.ll
deleted file mode 100644
index 5f17df9e0a1..00000000000
--- a/llvm/test/Transforms/LoopPredication/profitability.ll
+++ /dev/null
@@ -1,177 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -loop-predication -loop-predication-skip-profitability-checks=false < %s 2>&1 | FileCheck %s
-; RUN: opt -S -loop-predication-skip-profitability-checks=false -passes='require<scalar-evolution>,require<branch-prob>,loop(loop-predication)' < %s 2>&1 | FileCheck %s
-
-; latch block exits to a speculation block. BPI already knows (without prof
-; data) that deopt is very rarely
-; taken. So we do not predicate this loop using that coarse latch check.
-; LatchExitProbability: 0x04000000 / 0x80000000 = 3.12%
-; ExitingBlockProbability: 0x7ffa572a / 0x80000000 = 99.98%
-define i64 @donot_predicate(i64* nocapture readonly %arg, i32 %length, i64* nocapture readonly %arg2, i64* nocapture readonly %n_addr, i64 %i) {
-; CHECK-LABEL: @donot_predicate(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LENGTH_EXT:%.*]] = zext i32 [[LENGTH:%.*]] to i64
-; CHECK-NEXT:    [[N_PRE:%.*]] = load i64, i64* [[N_ADDR:%.*]], align 4
-; CHECK-NEXT:    br label [[HEADER:%.*]]
-; CHECK:       Header:
-; CHECK-NEXT:    [[RESULT_IN3:%.*]] = phi i64* [ [[ARG2:%.*]], [[ENTRY:%.*]] ], [ [[ARG:%.*]], [[LATCH:%.*]] ]
-; CHECK-NEXT:    [[J2:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[J_NEXT:%.*]], [[LATCH]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i64 [[J2]], [[LENGTH_EXT]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[INNERCMP:%.*]] = icmp eq i64 [[J2]], [[N_PRE]]
-; CHECK-NEXT:    [[J_NEXT]] = add nuw nsw i64 [[J2]], 1
-; CHECK-NEXT:    br i1 [[INNERCMP]], label [[LATCH]], label [[EXIT:%.*]], !prof !0
-; CHECK:       Latch:
-; CHECK-NEXT:    [[SPECULATE_TRIP_COUNT:%.*]] = icmp ult i64 [[J_NEXT]], 1048576
-; CHECK-NEXT:    br i1 [[SPECULATE_TRIP_COUNT]], label [[HEADER]], label [[DEOPT:%.*]]
-; CHECK:       deopt:
-; CHECK-NEXT:    [[COUNTED_SPECULATION_FAILED:%.*]] = call i64 (...) @llvm.experimental.deoptimize.i64(i64 30) [ "deopt"(i32 0) ]
-; CHECK-NEXT:    ret i64 [[COUNTED_SPECULATION_FAILED]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT_IN3_LCSSA:%.*]] = phi i64* [ [[RESULT_IN3]], [[HEADER]] ]
-; CHECK-NEXT:    [[RESULT_LE:%.*]] = load i64, i64* [[RESULT_IN3_LCSSA]], align 8
-; CHECK-NEXT:    ret i64 [[RESULT_LE]]
-;
-entry:
-  %length.ext = zext i32 %length to i64
-  %n.pre = load i64, i64* %n_addr, align 4
-  br label %Header
-
-Header:                                          ; preds = %entry, %Latch
-  %result.in3 = phi i64* [ %arg2, %entry ], [ %arg, %Latch ]
-  %j2 = phi i64 [ 0, %entry ], [ %j.next, %Latch ]
-  %within.bounds = icmp ult i64 %j2, %length.ext
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %innercmp = icmp eq i64 %j2, %n.pre
-  %j.next = add nuw nsw i64 %j2, 1
-  br i1 %innercmp, label %Latch, label %exit, !prof !0
-
-Latch:                                           ; preds = %Header
-  %speculate_trip_count = icmp ult i64 %j.next, 1048576
-  br i1 %speculate_trip_count, label %Header, label %deopt
-
-deopt:                                            ; preds = %Latch
-  %counted_speculation_failed = call i64 (...) @llvm.experimental.deoptimize.i64(i64 30) [ "deopt"(i32 0) ]
-  ret i64 %counted_speculation_failed
-
-exit:                                             ; preds = %Header
-  %result.in3.lcssa = phi i64* [ %result.in3, %Header ]
-  %result.le = load i64, i64* %result.in3.lcssa, align 8
-  ret i64 %result.le
-}
-!0 = !{!"branch_weights", i32 18, i32 104200}
-
-; predicate loop since there's no profile information and BPI concluded all
-; exiting blocks have same probability of exiting from loop.
-define i64 @predicate(i64* nocapture readonly %arg, i32 %length, i64* nocapture readonly %arg2, i64* nocapture readonly %n_addr, i64 %i) {
-; CHECK-LABEL: @predicate(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LENGTH_EXT:%.*]] = zext i32 [[LENGTH:%.*]] to i64
-; CHECK-NEXT:    [[N_PRE:%.*]] = load i64, i64* [[N_ADDR:%.*]], align 4
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i64 1048576, [[LENGTH_EXT]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i64 0, [[LENGTH_EXT]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[HEADER:%.*]]
-; CHECK:       Header:
-; CHECK-NEXT:    [[RESULT_IN3:%.*]] = phi i64* [ [[ARG2:%.*]], [[ENTRY:%.*]] ], [ [[ARG:%.*]], [[LATCH:%.*]] ]
-; CHECK-NEXT:    [[J2:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[J_NEXT:%.*]], [[LATCH]] ]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[INNERCMP:%.*]] = icmp eq i64 [[J2]], [[N_PRE]]
-; CHECK-NEXT:    [[J_NEXT]] = add nuw nsw i64 [[J2]], 1
-; CHECK-NEXT:    br i1 [[INNERCMP]], label [[LATCH]], label [[EXIT:%.*]]
-; CHECK:       Latch:
-; CHECK-NEXT:    [[SPECULATE_TRIP_COUNT:%.*]] = icmp ult i64 [[J_NEXT]], 1048576
-; CHECK-NEXT:    br i1 [[SPECULATE_TRIP_COUNT]], label [[HEADER]], label [[EXITLATCH:%.*]]
-; CHECK:       exitLatch:
-; CHECK-NEXT:    ret i64 1
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT_IN3_LCSSA:%.*]] = phi i64* [ [[RESULT_IN3]], [[HEADER]] ]
-; CHECK-NEXT:    [[RESULT_LE:%.*]] = load i64, i64* [[RESULT_IN3_LCSSA]], align 8
-; CHECK-NEXT:    ret i64 [[RESULT_LE]]
-;
-entry:
-  %length.ext = zext i32 %length to i64
-  %n.pre = load i64, i64* %n_addr, align 4
-  br label %Header
-
-Header:                                          ; preds = %entry, %Latch
-  %result.in3 = phi i64* [ %arg2, %entry ], [ %arg, %Latch ]
-  %j2 = phi i64 [ 0, %entry ], [ %j.next, %Latch ]
-  %within.bounds = icmp ult i64 %j2, %length.ext
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %innercmp = icmp eq i64 %j2, %n.pre
-  %j.next = add nuw nsw i64 %j2, 1
-  br i1 %innercmp, label %Latch, label %exit
-
-Latch:                                           ; preds = %Header
-  %speculate_trip_count = icmp ult i64 %j.next, 1048576
-  br i1 %speculate_trip_count, label %Header, label %exitLatch
-
-exitLatch:                                            ; preds = %Latch
-  ret i64 1
-
-exit:                                             ; preds = %Header
-  %result.in3.lcssa = phi i64* [ %result.in3, %Header ]
-  %result.le = load i64, i64* %result.in3.lcssa, align 8
-  ret i64 %result.le
-}
-
-; Same as test above but with profiling data that the most probable exit from
-; the loop is the header exiting block (not the latch block). So do not predicate.
-; LatchExitProbability: 0x000020e1 / 0x80000000 = 0.00%
-; ExitingBlockProbability: 0x7ffcbb86 / 0x80000000 = 99.99%
-define i64 @donot_predicate_prof(i64* nocapture readonly %arg, i32 %length, i64* nocapture readonly %arg2, i64* nocapture readonly %n_addr, i64 %i) {
-; CHECK-LABEL: @donot_predicate_prof(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LENGTH_EXT:%.*]] = zext i32 [[LENGTH:%.*]] to i64
-; CHECK-NEXT:    [[N_PRE:%.*]] = load i64, i64* [[N_ADDR:%.*]], align 4
-; CHECK-NEXT:    br label [[HEADER:%.*]]
-; CHECK:       Header:
-; CHECK-NEXT:    [[RESULT_IN3:%.*]] = phi i64* [ [[ARG2:%.*]], [[ENTRY:%.*]] ], [ [[ARG:%.*]], [[LATCH:%.*]] ]
-; CHECK-NEXT:    [[J2:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[J_NEXT:%.*]], [[LATCH]] ]
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i64 [[J2]], [[LENGTH_EXT]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[INNERCMP:%.*]] = icmp eq i64 [[J2]], [[N_PRE]]
-; CHECK-NEXT:    [[J_NEXT]] = add nuw nsw i64 [[J2]], 1
-; CHECK-NEXT:    br i1 [[INNERCMP]], label [[LATCH]], label [[EXIT:%.*]], !prof !1
-; CHECK:       Latch:
-; CHECK-NEXT:    [[SPECULATE_TRIP_COUNT:%.*]] = icmp ult i64 [[J_NEXT]], 1048576
-; CHECK-NEXT:    br i1 [[SPECULATE_TRIP_COUNT]], label [[HEADER]], label [[EXITLATCH:%.*]], !prof !2
-; CHECK:       exitLatch:
-; CHECK-NEXT:    ret i64 1
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT_IN3_LCSSA:%.*]] = phi i64* [ [[RESULT_IN3]], [[HEADER]] ]
-; CHECK-NEXT:    [[RESULT_LE:%.*]] = load i64, i64* [[RESULT_IN3_LCSSA]], align 8
-; CHECK-NEXT:    ret i64 [[RESULT_LE]]
-;
-entry:
-  %length.ext = zext i32 %length to i64
-  %n.pre = load i64, i64* %n_addr, align 4
-  br label %Header
-
-Header:                                          ; preds = %entry, %Latch
-  %result.in3 = phi i64* [ %arg2, %entry ], [ %arg, %Latch ]
-  %j2 = phi i64 [ 0, %entry ], [ %j.next, %Latch ]
-  %within.bounds = icmp ult i64 %j2, %length.ext
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %innercmp = icmp eq i64 %j2, %n.pre
-  %j.next = add nuw nsw i64 %j2, 1
-  br i1 %innercmp, label %Latch, label %exit, !prof !1
-
-Latch:                                           ; preds = %Header
-  %speculate_trip_count = icmp ult i64 %j.next, 1048576
-  br i1 %speculate_trip_count, label %Header, label %exitLatch, !prof !2
-
-exitLatch:                                            ; preds = %Latch
-  ret i64 1
-
-exit:                                             ; preds = %Header
-  %result.in3.lcssa = phi i64* [ %result.in3, %Header ]
-  %result.le = load i64, i64* %result.in3.lcssa, align 8
-  ret i64 %result.le
-}
-declare i64 @llvm.experimental.deoptimize.i64(...)
-declare void @llvm.experimental.guard(i1, ...)
-
-!1 = !{!"branch_weights", i32 104, i32 1042861}
-!2 = !{!"branch_weights", i32 255129, i32 1}
diff --git a/llvm/test/Transforms/LoopPredication/reverse.ll b/llvm/test/Transforms/LoopPredication/reverse.ll
deleted file mode 100644
index 95bfe20c04e..00000000000
--- a/llvm/test/Transforms/LoopPredication/reverse.ll
+++ /dev/null
@@ -1,390 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -loop-predication -loop-predication-enable-count-down-loop=true < %s 2>&1 | FileCheck %s
-; RUN: opt -S -passes='require<scalar-evolution>,loop(loop-predication)' -loop-predication-enable-count-down-loop=true < %s 2>&1 | FileCheck %s
-
-declare void @llvm.experimental.guard(i1, ...)
-
-define i32 @signed_reverse_loop_n_to_lower_limit(i32* %array, i32 %length, i32 %n, i32 %lowerlimit) {
-; CHECK-LABEL: @signed_reverse_loop_n_to_lower_limit(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 [[TMP0]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp sge i32 [[LOWERLIMIT:%.*]], 1
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[N]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], -1
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I_NEXT]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sgt i32 [[I]], [[LOWERLIMIT]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %n, %loop.preheader ]
-  %i.next = add nsw i32 %i, -1
-  %within.bounds = icmp ult i32 %i.next, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %i.i64 = zext i32 %i.next to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %continue = icmp sgt i32 %i, %lowerlimit
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @unsigned_reverse_loop_n_to_lower_limit(i32* %array, i32 %length, i32 %n, i32 %lowerlimit) {
-; CHECK-LABEL: @unsigned_reverse_loop_n_to_lower_limit(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 [[TMP0]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp uge i32 [[LOWERLIMIT:%.*]], 1
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[N]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], -1
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I_NEXT]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ugt i32 [[I]], [[LOWERLIMIT]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %n, %loop.preheader ]
-  %i.next = add nsw i32 %i, -1
-  %within.bounds = icmp ult i32 %i.next, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %i.i64 = zext i32 %i.next to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %continue = icmp ugt i32 %i, %lowerlimit
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-
-; if we predicated the loop, the guard will definitely fail and we will
-; deoptimize early on.
-define i32 @unsigned_reverse_loop_n_to_0(i32* %array, i32 %length, i32 %n, i32 %lowerlimit) {
-; CHECK-LABEL: @unsigned_reverse_loop_n_to_0(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 [[TMP0]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], false
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[N]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], -1
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I_NEXT]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ugt i32 [[I]], 0
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %n, %loop.preheader ]
-  %i.next = add nsw i32 %i, -1
-  %within.bounds = icmp ult i32 %i.next, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %i.i64 = zext i32 %i.next to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %continue = icmp ugt i32 %i, 0
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-; do not loop predicate when the range has step -1 and latch has step 1.
-define i32 @reverse_loop_range_step_increment(i32 %n, i32* %array, i32 %length) {
-; CHECK-LABEL: @reverse_loop_range_step_increment(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[N]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[IRC:%.*]] = phi i32 [ [[I_INC:%.*]], [[LOOP]] ], [ 1, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_INC]] = add nuw nsw i32 [[IRC]], 1
-; CHECK-NEXT:    [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[IRC]], [[LENGTH:%.*]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[WITHIN_BOUNDS]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[IRC]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], -1
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ugt i32 [[I]], 65534
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %n, %loop.preheader ]
-  %irc = phi i32 [ %i.inc, %loop ], [ 1, %loop.preheader ]
-  %i.inc = add nuw nsw i32 %irc, 1
-  %within.bounds = icmp ult i32 %irc, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %i.i64 = zext i32 %irc to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %i.next = add nsw i32 %i, -1
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %continue = icmp ugt i32 %i, 65534
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @signed_reverse_loop_n_to_lower_limit_equal(i32* %array, i32 %length, i32 %n, i32 %lowerlimit) {
-; CHECK-LABEL: @signed_reverse_loop_n_to_lower_limit_equal(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 [[TMP0]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp sgt i32 [[LOWERLIMIT:%.*]], 1
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[N]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], -1
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I_NEXT]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp sge i32 [[I]], [[LOWERLIMIT]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %n, %loop.preheader ]
-  %i.next = add nsw i32 %i, -1
-  %within.bounds = icmp ult i32 %i.next, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %i.i64 = zext i32 %i.next to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %continue = icmp sge i32 %i, %lowerlimit
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-define i32 @unsigned_reverse_loop_n_to_lower_limit_equal(i32* %array, i32 %length, i32 %n, i32 %lowerlimit) {
-; CHECK-LABEL: @unsigned_reverse_loop_n_to_lower_limit_equal(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 [[TMP0]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ugt i32 [[LOWERLIMIT:%.*]], 1
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP1]], [[TMP2]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[N]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], -1
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I_NEXT]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp uge i32 [[I]], [[LOWERLIMIT]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %n, %loop.preheader ]
-  %i.next = add nsw i32 %i, -1
-  %within.bounds = icmp ult i32 %i.next, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %i.i64 = zext i32 %i.next to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %continue = icmp uge i32 %i, %lowerlimit
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
-
-; if we predicated the loop, the guard will definitely fail and we will
-; deoptimize early on.
-define i32 @unsigned_reverse_loop_n_to_1(i32* %array, i32 %length, i32 %n, i32 %lowerlimit) {
-; CHECK-LABEL: @unsigned_reverse_loop_n_to_1(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 [[TMP0]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], false
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ [[N]], [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I_NEXT]] = add nsw i32 [[I]], -1
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP2]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I_NEXT]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp uge i32 [[I]], 1
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ %n, %loop.preheader ]
-  %i.next = add nsw i32 %i, -1
-  %within.bounds = icmp ult i32 %i.next, %length
-  call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ]
-  %i.i64 = zext i32 %i.next to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-  %continue = icmp uge i32 %i, 1
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
-
diff --git a/llvm/test/Transforms/LoopPredication/visited.ll b/llvm/test/Transforms/LoopPredication/visited.ll
deleted file mode 100644
index 8d40386e025..00000000000
--- a/llvm/test/Transforms/LoopPredication/visited.ll
+++ /dev/null
@@ -1,161 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -loop-predication < %s 2>&1 | FileCheck %s
-; RUN: opt -S -passes='require<scalar-evolution>,loop(loop-predication)' < %s 2>&1 | FileCheck %s
-
-declare void @llvm.experimental.guard(i1, ...)
-
-define i32 @test_visited(i32* %array, i32 %length, i32 %n, i32 %x) {
-; CHECK-LABEL: @test_visited(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
-; CHECK-NEXT:    br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
-; CHECK:       loop.preheader:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
-; CHECK-NEXT:    [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
-; CHECK-NEXT:    [[UNRELATED_COND:%.*]] = icmp eq i32 [[X:%.*]], [[I]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[UNRELATED_COND]], [[TMP2]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[I_I64:%.*]] = zext i32 [[I]] to i64
-; CHECK-NEXT:    [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
-; CHECK-NEXT:    [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
-; CHECK-NEXT:    [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
-; CHECK-NEXT:    [[I_NEXT]] = add nuw i32 [[I]], 1
-; CHECK-NEXT:    [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
-; CHECK-NEXT:    br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
-; CHECK:       exit.loopexit:
-; CHECK-NEXT:    [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
-; CHECK-NEXT:    br label [[EXIT]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
-; CHECK-NEXT:    ret i32 [[RESULT]]
-;
-entry:
-  %tmp5 = icmp eq i32 %n, 0
-  br i1 %tmp5, label %exit, label %loop.preheader
-
-loop.preheader:
-  br label %loop
-
-loop:
-  %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
-  %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
-  %within.bounds = icmp ult i32 %i, %length
-  %unrelated.cond = icmp eq i32 %x, %i
-  %guard.cond.2 = and i1 %within.bounds, %unrelated.cond
-  %guard.cond.3 = and i1 %guard.cond.2, %unrelated.cond
-  %guard.cond.4 = and i1 %guard.cond.3, %guard.cond.2
-  %guard.cond.5 = and i1 %guard.cond.4, %guard.cond.3
-  %guard.cond.6 = and i1 %guard.cond.5, %guard.cond.4
-  %guard.cond.7 = and i1 %guard.cond.6, %guard.cond.5
-  %guard.cond.8 = and i1 %guard.cond.7, %guard.cond.6
-  %guard.cond.9 = and i1 %guard.cond.8, %guard.cond.7
-  %guard.cond.10 = and i1 %guard.cond.9, %guard.cond.8
-  %guard.cond.11 = and i1 %guard.cond.10, %guard.cond.9
-  %guard.cond.12 = and i1 %guard.cond.11, %guard.cond.10
-  %guard.cond.13 = and i1 %guard.cond.12, %guard.cond.11
-  %guard.cond.14 = and i1 %guard.cond.13, %guard.cond.12
-  %guard.cond.15 = and i1 %guard.cond.14, %guard.cond.13
-  %guard.cond.16 = and i1 %guard.cond.15, %guard.cond.14
-  %guard.cond.17 = and i1 %guard.cond.16, %guard.cond.15
-  %guard.cond.18 = and i1 %guard.cond.17, %guard.cond.16
-  %guard.cond.19 = and i1 %guard.cond.18, %guard.cond.17
-  %guard.cond.20 = and i1 %guard.cond.19, %guard.cond.18
-  %guard.cond.21 = and i1 %guard.cond.20, %guard.cond.19
-  %guard.cond.22 = and i1 %guard.cond.21, %guard.cond.20
-  %guard.cond.23 = and i1 %guard.cond.22, %guard.cond.21
-  %guard.cond.24 = and i1 %guard.cond.23, %guard.cond.22
-  %guard.cond.25 = and i1 %guard.cond.24, %guard.cond.23
-  %guard.cond.26 = and i1 %guard.cond.25, %guard.cond.24
-  %guard.cond.27 = and i1 %guard.cond.26, %guard.cond.25
-  %guard.cond.28 = and i1 %guard.cond.27, %guard.cond.26
-  %guard.cond.29 = and i1 %guard.cond.28, %guard.cond.27
-  %guard.cond.30 = and i1 %guard.cond.29, %guard.cond.28
-  %guard.cond.31 = and i1 %guard.cond.30, %guard.cond.29
-  %guard.cond.32 = and i1 %guard.cond.31, %guard.cond.30
-  %guard.cond.33 = and i1 %guard.cond.32, %guard.cond.31
-  %guard.cond.34 = and i1 %guard.cond.33, %guard.cond.32
-  %guard.cond.35 = and i1 %guard.cond.34, %guard.cond.33
-  %guard.cond.36 = and i1 %guard.cond.35, %guard.cond.34
-  %guard.cond.37 = and i1 %guard.cond.36, %guard.cond.35
-  %guard.cond.38 = and i1 %guard.cond.37, %guard.cond.36
-  %guard.cond.39 = and i1 %guard.cond.38, %guard.cond.37
-  %guard.cond.40 = and i1 %guard.cond.39, %guard.cond.38
-  %guard.cond.41 = and i1 %guard.cond.40, %guard.cond.39
-  %guard.cond.42 = and i1 %guard.cond.41, %guard.cond.40
-  %guard.cond.43 = and i1 %guard.cond.42, %guard.cond.41
-  %guard.cond.44 = and i1 %guard.cond.43, %guard.cond.42
-  %guard.cond.45 = and i1 %guard.cond.44, %guard.cond.43
-  %guard.cond.46 = and i1 %guard.cond.45, %guard.cond.44
-  %guard.cond.47 = and i1 %guard.cond.46, %guard.cond.45
-  %guard.cond.48 = and i1 %guard.cond.47, %guard.cond.46
-  %guard.cond.49 = and i1 %guard.cond.48, %guard.cond.47
-  %guard.cond.50 = and i1 %guard.cond.49, %guard.cond.48
-  %guard.cond.51 = and i1 %guard.cond.50, %guard.cond.49
-  %guard.cond.52 = and i1 %guard.cond.51, %guard.cond.50
-  %guard.cond.53 = and i1 %guard.cond.52, %guard.cond.51
-  %guard.cond.54 = and i1 %guard.cond.53, %guard.cond.52
-  %guard.cond.55 = and i1 %guard.cond.54, %guard.cond.53
-  %guard.cond.56 = and i1 %guard.cond.55, %guard.cond.54
-  %guard.cond.57 = and i1 %guard.cond.56, %guard.cond.55
-  %guard.cond.58 = and i1 %guard.cond.57, %guard.cond.56
-  %guard.cond.59 = and i1 %guard.cond.58, %guard.cond.57
-  %guard.cond.60 = and i1 %guard.cond.59, %guard.cond.58
-  %guard.cond.61 = and i1 %guard.cond.60, %guard.cond.59
-  %guard.cond.62 = and i1 %guard.cond.61, %guard.cond.60
-  %guard.cond.63 = and i1 %guard.cond.62, %guard.cond.61
-  %guard.cond.64 = and i1 %guard.cond.63, %guard.cond.62
-  %guard.cond.65 = and i1 %guard.cond.64, %guard.cond.63
-  %guard.cond.66 = and i1 %guard.cond.65, %guard.cond.64
-  %guard.cond.67 = and i1 %guard.cond.66, %guard.cond.65
-  %guard.cond.68 = and i1 %guard.cond.67, %guard.cond.66
-  %guard.cond.69 = and i1 %guard.cond.68, %guard.cond.67
-  %guard.cond.70 = and i1 %guard.cond.69, %guard.cond.68
-  %guard.cond.71 = and i1 %guard.cond.70, %guard.cond.69
-  %guard.cond.72 = and i1 %guard.cond.71, %guard.cond.70
-  %guard.cond.73 = and i1 %guard.cond.72, %guard.cond.71
-  %guard.cond.74 = and i1 %guard.cond.73, %guard.cond.72
-  %guard.cond.75 = and i1 %guard.cond.74, %guard.cond.73
-  %guard.cond.76 = and i1 %guard.cond.75, %guard.cond.74
-  %guard.cond.77 = and i1 %guard.cond.76, %guard.cond.75
-  %guard.cond.78 = and i1 %guard.cond.77, %guard.cond.76
-  %guard.cond.79 = and i1 %guard.cond.78, %guard.cond.77
-  %guard.cond.80 = and i1 %guard.cond.79, %guard.cond.78
-  %guard.cond.81 = and i1 %guard.cond.80, %guard.cond.79
-  %guard.cond.82 = and i1 %guard.cond.81, %guard.cond.80
-  %guard.cond.83 = and i1 %guard.cond.82, %guard.cond.81
-  %guard.cond.84 = and i1 %guard.cond.83, %guard.cond.82
-  %guard.cond.85 = and i1 %guard.cond.84, %guard.cond.83
-  %guard.cond.86 = and i1 %guard.cond.85, %guard.cond.84
-  %guard.cond.87 = and i1 %guard.cond.86, %guard.cond.85
-  %guard.cond.88 = and i1 %guard.cond.87, %guard.cond.86
-  %guard.cond.89 = and i1 %guard.cond.88, %guard.cond.87
-  %guard.cond.90 = and i1 %guard.cond.89, %guard.cond.88
-  %guard.cond.91 = and i1 %guard.cond.90, %guard.cond.89
-  %guard.cond.92 = and i1 %guard.cond.91, %guard.cond.90
-  %guard.cond.93 = and i1 %guard.cond.92, %guard.cond.91
-  %guard.cond.94 = and i1 %guard.cond.93, %guard.cond.92
-  %guard.cond.95 = and i1 %guard.cond.94, %guard.cond.93
-  %guard.cond.96 = and i1 %guard.cond.95, %guard.cond.94
-  %guard.cond.97 = and i1 %guard.cond.96, %guard.cond.95
-  %guard.cond.98 = and i1 %guard.cond.97, %guard.cond.96
-  %guard.cond.99 = and i1 %guard.cond.98, %guard.cond.97
-  call void (i1, ...) @llvm.experimental.guard(i1 %guard.cond.99, i32 9) [ "deopt"() ]
-
-  %i.i64 = zext i32 %i to i64
-  %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
-  %array.i = load i32, i32* %array.i.ptr, align 4
-  %loop.acc.next = add i32 %loop.acc, %array.i
-
-  %i.next = add nuw i32 %i, 1
-  %continue = icmp ult i32 %i.next, %n
-  br i1 %continue, label %loop, label %exit
-
-exit:
-  %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
-  ret i32 %result
-}
diff --git a/llvm/test/Transforms/LoopPredication/widened.ll b/llvm/test/Transforms/LoopPredication/widened.ll
deleted file mode 100644
index 38325cbec50..00000000000
--- a/llvm/test/Transforms/LoopPredication/widened.ll
+++ /dev/null
@@ -1,200 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -loop-predication -loop-predication-enable-iv-truncation=true < %s 2>&1 | FileCheck %s
-declare void @llvm.experimental.guard(i1, ...)
-
-declare i32 @length(i8*)
-
-declare i16 @short_length(i8*)
-; Consider range check of type i16 and i32, while IV is of type i64
-; We can loop predicate this because the IV range is within i16 and within i32.
-define i64 @iv_wider_type_rc_two_narrow_types(i32 %offA, i16 %offB, i8* %arrA, i8* %arrB) {
-; CHECK-LABEL: @iv_wider_type_rc_two_narrow_types(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LENGTHA:%.*]] = call i32 @length(i8* [[ARRA:%.*]])
-; CHECK-NEXT:    [[LENGTHB:%.*]] = call i16 @short_length(i8* [[ARRB:%.*]])
-; CHECK-NEXT:    [[TMP0:%.*]] = sub i16 [[LENGTHB]], [[OFFB:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp ule i16 16, [[TMP0]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i16 [[OFFB]], [[LENGTHB]]
-; CHECK-NEXT:    [[TMP3:%.*]] = and i1 [[TMP2]], [[TMP1]]
-; CHECK-NEXT:    [[TMP4:%.*]] = sub i32 [[LENGTHA]], [[OFFA:%.*]]
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp ule i32 16, [[TMP4]]
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp ult i32 [[OFFA]], [[LENGTHA]]
-; CHECK-NEXT:    [[TMP7:%.*]] = and i1 [[TMP6]], [[TMP5]]
-; CHECK-NEXT:    [[TMP8:%.*]] = and i1 [[TMP3]], [[TMP7]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
-; CHECK-NEXT:    [[IV_TRUNC_32:%.*]] = trunc i64 [[IV]] to i32
-; CHECK-NEXT:    [[IV_TRUNC_16:%.*]] = trunc i64 [[IV]] to i16
-; CHECK-NEXT:    [[INDEXA:%.*]] = add i32 [[IV_TRUNC_32]], [[OFFA]]
-; CHECK-NEXT:    [[INDEXB:%.*]] = add i16 [[IV_TRUNC_16]], [[OFFB]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP8]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[INDEXA_EXT:%.*]] = zext i32 [[INDEXA]] to i64
-; CHECK-NEXT:    [[ADDRA:%.*]] = getelementptr inbounds i8, i8* [[ARRA]], i64 [[INDEXA_EXT]]
-; CHECK-NEXT:    [[ELTA:%.*]] = load i8, i8* [[ADDRA]]
-; CHECK-NEXT:    [[INDEXB_EXT:%.*]] = zext i16 [[INDEXB]] to i64
-; CHECK-NEXT:    [[ADDRB:%.*]] = getelementptr inbounds i8, i8* [[ARRB]], i64 [[INDEXB_EXT]]
-; CHECK-NEXT:    store i8 [[ELTA]], i8* [[ADDRB]]
-; CHECK-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
-; CHECK-NEXT:    [[LATCH_CHECK:%.*]] = icmp ult i64 [[IV_NEXT]], 16
-; CHECK-NEXT:    br i1 [[LATCH_CHECK]], label [[LOOP]], label [[EXIT:%.*]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[IV_LCSSA:%.*]] = phi i64 [ [[IV]], [[LOOP]] ]
-; CHECK-NEXT:    ret i64 [[IV_LCSSA]]
-;
-entry:
-  %lengthA = call i32 @length(i8* %arrA)
-  %lengthB = call i16 @short_length(i8* %arrB)
-  br label %loop
-
-loop:
-  %iv = phi i64 [0, %entry ], [ %iv.next, %loop ]
-  %iv.trunc.32 = trunc i64 %iv to i32
-  %iv.trunc.16 = trunc i64 %iv to i16
-  %indexA = add i32 %iv.trunc.32, %offA
-  %indexB = add i16 %iv.trunc.16, %offB
-  %rcA = icmp ult i32 %indexA, %lengthA
-  %rcB = icmp ult i16 %indexB, %lengthB
-  %wide.chk = and i1 %rcA, %rcB
-  call void (i1, ...) @llvm.experimental.guard(i1 %wide.chk, i32 9) [ "deopt"() ]
-  %indexA.ext = zext i32 %indexA to i64
-  %addrA = getelementptr inbounds i8, i8* %arrA, i64 %indexA.ext
-  %eltA = load i8, i8* %addrA
-  %indexB.ext = zext i16 %indexB to i64
-  %addrB = getelementptr inbounds i8, i8* %arrB, i64 %indexB.ext
-  store i8 %eltA, i8* %addrB
-  %iv.next = add nuw nsw i64 %iv, 1
-  %latch.check = icmp ult i64 %iv.next, 16
-  br i1 %latch.check, label %loop, label %exit
-
-exit:
-  ret i64 %iv
-}
-
-
-; Consider an IV of type long and an array access into int array.
-; IV is of type i64 while the range check operands are of type i32 and i64.
-define i64 @iv_rc_different_types(i32 %offA, i32 %offB, i8* %arrA, i8* %arrB, i64 %max)
-; CHECK-LABEL: @iv_rc_different_types(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LENGTHA:%.*]] = call i32 @length(i8* [[ARRA:%.*]])
-; CHECK-NEXT:    [[LENGTHB:%.*]] = call i32 @length(i8* [[ARRB:%.*]])
-; CHECK-NEXT:    [[TMP0:%.*]] = add i32 [[LENGTHB]], -1
-; CHECK-NEXT:    [[TMP1:%.*]] = sub i32 [[TMP0]], [[OFFB:%.*]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp ule i32 15, [[TMP1]]
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp ult i32 [[OFFB]], [[LENGTHB]]
-; CHECK-NEXT:    [[TMP4:%.*]] = and i1 [[TMP3]], [[TMP2]]
-; CHECK-NEXT:    [[TMP5:%.*]] = add i64 [[MAX:%.*]], -1
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp ule i64 15, [[TMP5]]
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp ult i64 0, [[MAX]]
-; CHECK-NEXT:    [[TMP8:%.*]] = and i1 [[TMP7]], [[TMP6]]
-; CHECK-NEXT:    [[TMP9:%.*]] = add i32 [[LENGTHA]], -1
-; CHECK-NEXT:    [[TMP10:%.*]] = sub i32 [[TMP9]], [[OFFA:%.*]]
-; CHECK-NEXT:    [[TMP11:%.*]] = icmp ule i32 15, [[TMP10]]
-; CHECK-NEXT:    [[TMP12:%.*]] = icmp ult i32 [[OFFA]], [[LENGTHA]]
-; CHECK-NEXT:    [[TMP13:%.*]] = and i1 [[TMP12]], [[TMP11]]
-; CHECK-NEXT:    [[TMP14:%.*]] = and i1 [[TMP4]], [[TMP8]]
-; CHECK-NEXT:    [[TMP15:%.*]] = and i1 [[TMP14]], [[TMP13]]
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
-; CHECK-NEXT:    [[IV_TRUNC:%.*]] = trunc i64 [[IV]] to i32
-; CHECK-NEXT:    [[INDEXA:%.*]] = add i32 [[IV_TRUNC]], [[OFFA]]
-; CHECK-NEXT:    [[INDEXB:%.*]] = add i32 [[IV_TRUNC]], [[OFFB]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[TMP15]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[INDEXA_EXT:%.*]] = zext i32 [[INDEXA]] to i64
-; CHECK-NEXT:    [[ADDRA:%.*]] = getelementptr inbounds i8, i8* [[ARRA]], i64 [[INDEXA_EXT]]
-; CHECK-NEXT:    [[ELTA:%.*]] = load i8, i8* [[ADDRA]]
-; CHECK-NEXT:    [[INDEXB_EXT:%.*]] = zext i32 [[INDEXB]] to i64
-; CHECK-NEXT:    [[ADDRB:%.*]] = getelementptr inbounds i8, i8* [[ARRB]], i64 [[INDEXB_EXT]]
-; CHECK-NEXT:    [[ELTB:%.*]] = load i8, i8* [[ADDRB]]
-; CHECK-NEXT:    [[RESULT:%.*]] = xor i8 [[ELTA]], [[ELTB]]
-; CHECK-NEXT:    store i8 [[RESULT]], i8* [[ADDRA]]
-; CHECK-NEXT:    [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
-; CHECK-NEXT:    [[LATCH_CHECK:%.*]] = icmp ult i64 [[IV]], 15
-; CHECK-NEXT:    br i1 [[LATCH_CHECK]], label [[LOOP]], label [[EXIT:%.*]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[IV_LCSSA:%.*]] = phi i64 [ [[IV]], [[LOOP]] ]
-; CHECK-NEXT:    ret i64 [[IV_LCSSA]]
-;
-{
-entry:
-  %lengthA = call i32 @length(i8* %arrA)
-  %lengthB = call i32 @length(i8* %arrB)
-  br label %loop
-
-loop:
-  %iv = phi i64 [0, %entry ], [ %iv.next, %loop ]
-  %iv.trunc = trunc i64 %iv to i32
-  %indexA = add i32 %iv.trunc, %offA
-  %indexB = add i32 %iv.trunc, %offB
-  %rcA = icmp ult i32 %indexA, %lengthA
-  %rcIV = icmp ult i64 %iv, %max
-  %wide.chk = and i1 %rcA, %rcIV
-  %rcB = icmp ult i32 %indexB, %lengthB
-  %wide.chk.final = and i1 %wide.chk, %rcB
-  call void (i1, ...) @llvm.experimental.guard(i1 %wide.chk.final, i32 9) [ "deopt"() ]
-  %indexA.ext = zext i32 %indexA to i64
-  %addrA = getelementptr inbounds i8, i8* %arrA, i64 %indexA.ext
-  %eltA = load i8, i8* %addrA
-  %indexB.ext = zext i32 %indexB to i64
-  %addrB = getelementptr inbounds i8, i8* %arrB, i64 %indexB.ext
-  %eltB = load i8, i8* %addrB
-  %result = xor i8 %eltA, %eltB
-  store i8 %result, i8* %addrA
-  %iv.next = add nuw nsw i64 %iv, 1
-  %latch.check = icmp ult i64 %iv, 15
-  br i1 %latch.check, label %loop, label %exit
-
-exit:
-  ret i64 %iv
-}
-
-; cannot narrow the IV to the range type, because we lose information.
-; for (i64 i= 5; i>= 2; i++)
-; this loop wraps around after reaching 2^64.
-define i64 @iv_rc_different_type(i32 %offA, i8* %arrA) {
-; CHECK-LABEL: @iv_rc_different_type(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LENGTHA:%.*]] = call i32 @length(i8* [[ARRA:%.*]])
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ 5, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
-; CHECK-NEXT:    [[IV_TRUNC_32:%.*]] = trunc i64 [[IV]] to i32
-; CHECK-NEXT:    [[INDEXA:%.*]] = add i32 [[IV_TRUNC_32]], [[OFFA:%.*]]
-; CHECK-NEXT:    [[RCA:%.*]] = icmp ult i32 [[INDEXA]], [[LENGTHA]]
-; CHECK-NEXT:    call void (i1, ...) @llvm.experimental.guard(i1 [[RCA]], i32 9) [ "deopt"() ]
-; CHECK-NEXT:    [[INDEXA_EXT:%.*]] = zext i32 [[INDEXA]] to i64
-; CHECK-NEXT:    [[ADDRA:%.*]] = getelementptr inbounds i8, i8* [[ARRA]], i64 [[INDEXA_EXT]]
-; CHECK-NEXT:    [[ELTA:%.*]] = load i8, i8* [[ADDRA]]
-; CHECK-NEXT:    [[RES:%.*]] = add i8 [[ELTA]], 2
-; CHECK-NEXT:    store i8 [[ELTA]], i8* [[ADDRA]]
-; CHECK-NEXT:    [[IV_NEXT]] = add i64 [[IV]], 1
-; CHECK-NEXT:    [[LATCH_CHECK:%.*]] = icmp sge i64 [[IV_NEXT]], 2
-; CHECK-NEXT:    br i1 [[LATCH_CHECK]], label [[LOOP]], label [[EXIT:%.*]]
-; CHECK:       exit:
-; CHECK-NEXT:    [[IV_LCSSA:%.*]] = phi i64 [ [[IV]], [[LOOP]] ]
-; CHECK-NEXT:    ret i64 [[IV_LCSSA]]
-;
-entry:
-  %lengthA = call i32 @length(i8* %arrA)
-  br label %loop
-
-loop:
-  %iv = phi i64 [ 5, %entry ], [ %iv.next, %loop ]
-  %iv.trunc.32 = trunc i64 %iv to i32
-  %indexA = add i32 %iv.trunc.32, %offA
-  %rcA = icmp ult i32 %indexA, %lengthA
-  call void (i1, ...) @llvm.experimental.guard(i1 %rcA, i32 9) [ "deopt"() ]
-  %indexA.ext = zext i32 %indexA to i64
-  %addrA = getelementptr inbounds i8, i8* %arrA, i64 %indexA.ext
-  %eltA = load i8, i8* %addrA
-  %res = add i8 %eltA, 2
-  store i8 %eltA, i8* %addrA
-  %iv.next = add i64 %iv, 1
-  %latch.check = icmp sge i64 %iv.next, 2
-  br i1 %latch.check, label %loop, label %exit
-
-exit:
-  ret i64 %iv
-}