diff options
Diffstat (limited to 'llvm/test/Transforms/LoopPredication/nested.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopPredication/nested.ll | 228 |
1 files changed, 184 insertions, 44 deletions
diff --git a/llvm/test/Transforms/LoopPredication/nested.ll b/llvm/test/Transforms/LoopPredication/nested.ll index 8a43b058a87..27ad2cee263 100644 --- a/llvm/test/Transforms/LoopPredication/nested.ll +++ b/llvm/test/Transforms/LoopPredication/nested.ll @@ -1,10 +1,53 @@ +; 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-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: [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[J]], [[LENGTH]] +; 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 @@ -17,24 +60,17 @@ outer.loop: %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: -; CHECK: inner.loop.preheader: -; CHECK: [[limit_check:[^ ]+]] = icmp sle i32 %l, %length -; CHECK-NEXT: [[first_iteration_check:[^ ]+]] = icmp ult i32 0, %length -; CHECK-NEXT: [[wide_cond:[^ ]+]] = and i1 [[first_iteration_check]], [[limit_check]] -; CHECK-NEXT: br label %inner.loop br label %inner.loop inner.loop: -; CHECK: inner.loop: -; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 [[wide_cond]], i32 9) [ "deopt"() ] %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 @@ -56,17 +92,54 @@ exit: } 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-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: [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH]] +; 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: -; CHECK: outer.loop.preheader: -; CHECK: [[limit_check:[^ ]+]] = icmp sle i32 %n, %length -; CHECK-NEXT: [[first_iteration_check:[^ ]+]] = icmp ult i32 0, %length -; CHECK-NEXT: [[wide_cond:[^ ]+]] = and i1 [[first_iteration_check]], [[limit_check]] -; CHECK-NEXT: br label %outer.loop br label %outer.loop outer.loop: @@ -74,20 +147,18 @@ outer.loop: %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: -; CHECK: inner.loop: -; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 [[wide_cond]], i32 9) [ "deopt"() ] %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 @@ -109,42 +180,76 @@ exit: } 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-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: [[TMP4:%.*]] = icmp ult i32 [[I]], [[LENGTH]] +; CHECK-NEXT: [[TMP5:%.*]] = and i1 [[TMP4]], [[TMP3]] +; 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: [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[J]], [[LENGTH]] +; CHECK-NEXT: [[TMP6:%.*]] = and i1 [[TMP3]], [[TMP2]] +; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP6]], 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: -; CHECK: outer.loop.preheader: -; CHECK-NEXT: [[limit_check_outer:[^ ]+]] = icmp sle i32 %n, %length -; CHECK-NEXT: [[first_iteration_check_outer:[^ ]+]] = icmp ult i32 0, %length -; CHECK-NEXT: [[wide_cond_outer:[^ ]+]] = and i1 [[first_iteration_check_outer]], [[limit_check_outer]] -; CHECK-NEXT: br label %outer.loop br label %outer.loop outer.loop: -; CHECK: 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: -; CHECK: inner.loop.preheader: -; CHECK: [[limit_check_inner:[^ ]+]] = icmp sle i32 %l, %length -; CHECK: br label %inner.loop br label %inner.loop inner.loop: -; CHECK: inner.loop: -; CHECK: [[wide_cond:[^ ]+]] = and i1 [[limit_check_inner]], [[wide_cond_outer]] -; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 [[wide_cond]], i32 9) [ "deopt"() ] %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 @@ -166,7 +271,47 @@ exit: } 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-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 @@ -180,22 +325,17 @@ outer.loop: %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: -; CHECK: inner.loop.preheader: -; CHECK: br label %inner.loop br label %inner.loop inner.loop: -; CHECK: inner.loop: -; CHECK: %within.bounds = icmp ult i32 %j, %length -; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 %within.bounds, i32 9) [ "deopt"() ] %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 @@ -214,4 +354,4 @@ outer.loop.inc: exit: %result = phi i32 [ 0, %entry ], [ %outer.loop.acc.next, %outer.loop.inc ] ret i32 %result -}
\ No newline at end of file +} |
