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-rw-r--r--llvm/test/Transforms/CodeGenPrepare/X86/overflow-intrinsics.ll519
1 files changed, 0 insertions, 519 deletions
diff --git a/llvm/test/Transforms/CodeGenPrepare/X86/overflow-intrinsics.ll b/llvm/test/Transforms/CodeGenPrepare/X86/overflow-intrinsics.ll
deleted file mode 100644
index ab636c39ddb..00000000000
--- a/llvm/test/Transforms/CodeGenPrepare/X86/overflow-intrinsics.ll
+++ /dev/null
@@ -1,519 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -codegenprepare -S < %s | FileCheck %s
-; RUN: opt -enable-debugify -codegenprepare -S < %s 2>&1 | FileCheck %s -check-prefix=DEBUG
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-target triple = "x86_64-apple-darwin10.0.0"
-
-define i64 @uaddo1(i64 %a, i64 %b) nounwind ssp {
-; CHECK-LABEL: @uaddo1(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[B:%.*]], i64 [[A:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: [[Q:%.*]] = select i1 [[OV]], i64 [[B]], i64 42
-; CHECK-NEXT: ret i64 [[Q]]
-;
- %add = add i64 %b, %a
- %cmp = icmp ult i64 %add, %a
- %Q = select i1 %cmp, i64 %b, i64 42
- ret i64 %Q
-}
-
-define i64 @uaddo2(i64 %a, i64 %b) nounwind ssp {
-; CHECK-LABEL: @uaddo2(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[B:%.*]], i64 [[A:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: [[Q:%.*]] = select i1 [[OV]], i64 [[B]], i64 42
-; CHECK-NEXT: ret i64 [[Q]]
-;
- %add = add i64 %b, %a
- %cmp = icmp ult i64 %add, %b
- %Q = select i1 %cmp, i64 %b, i64 42
- ret i64 %Q
-}
-
-define i64 @uaddo3(i64 %a, i64 %b) nounwind ssp {
-; CHECK-LABEL: @uaddo3(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[B:%.*]], i64 [[A:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: [[Q:%.*]] = select i1 [[OV]], i64 [[B]], i64 42
-; CHECK-NEXT: ret i64 [[Q]]
-;
- %add = add i64 %b, %a
- %cmp = icmp ugt i64 %b, %add
- %Q = select i1 %cmp, i64 %b, i64 42
- ret i64 %Q
-}
-
-define i64 @uaddo4(i64 %a, i64 %b, i1 %c) nounwind ssp {
-; CHECK-LABEL: @uaddo4(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 [[C:%.*]], label [[NEXT:%.*]], label [[EXIT:%.*]]
-; CHECK: next:
-; CHECK-NEXT: [[TMP0:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[B:%.*]], i64 [[A:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP0]], 0
-; CHECK-NEXT: [[OV:%.*]] = extractvalue { i64, i1 } [[TMP0]], 1
-; CHECK-NEXT: [[Q:%.*]] = select i1 [[OV]], i64 [[B]], i64 42
-; CHECK-NEXT: ret i64 [[Q]]
-; CHECK: exit:
-; CHECK-NEXT: ret i64 0
-;
-entry:
- %add = add i64 %b, %a
- %cmp = icmp ugt i64 %b, %add
- br i1 %c, label %next, label %exit
-
-next:
- %Q = select i1 %cmp, i64 %b, i64 42
- ret i64 %Q
-
-exit:
- ret i64 0
-}
-
-define i64 @uaddo5(i64 %a, i64 %b, i64* %ptr, i1 %c) nounwind ssp {
-; CHECK-LABEL: @uaddo5(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: [[ADD:%.*]] = add i64 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT: store i64 [[ADD]], i64* [[PTR:%.*]]
-; CHECK-NEXT: br i1 [[C:%.*]], label [[NEXT:%.*]], label [[EXIT:%.*]]
-; CHECK: next:
-; CHECK-NEXT: [[TMP0:%.*]] = icmp ugt i64 [[B]], [[ADD]]
-; CHECK-NEXT: [[Q:%.*]] = select i1 [[TMP0]], i64 [[B]], i64 42
-; CHECK-NEXT: ret i64 [[Q]]
-; CHECK: exit:
-; CHECK-NEXT: ret i64 0
-;
-entry:
- %add = add i64 %b, %a
- store i64 %add, i64* %ptr
- %cmp = icmp ugt i64 %b, %add
- br i1 %c, label %next, label %exit
-
-next:
- %Q = select i1 %cmp, i64 %b, i64 42
- ret i64 %Q
-
-exit:
- ret i64 0
-}
-
-; When adding 1, the general pattern for add-overflow may be different due to icmp canonicalization.
-; PR31754: https://bugs.llvm.org/show_bug.cgi?id=31754
-
-define i1 @uaddo_i64_increment(i64 %x, i64* %p) {
-; CHECK-LABEL: @uaddo_i64_increment(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[X:%.*]], i64 1)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i64 [[MATH]], i64* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %a = add i64 %x, 1
- %ov = icmp eq i64 %a, 0
- store i64 %a, i64* %p
- ret i1 %ov
-}
-
-define i1 @uaddo_i8_increment_noncanonical_1(i8 %x, i8* %p) {
-; CHECK-LABEL: @uaddo_i8_increment_noncanonical_1(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i8, i1 } @llvm.uadd.with.overflow.i8(i8 1, i8 [[X:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i8, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i8, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i8 [[MATH]], i8* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %a = add i8 1, %x ; commute
- %ov = icmp eq i8 %a, 0
- store i8 %a, i8* %p
- ret i1 %ov
-}
-
-define i1 @uaddo_i32_increment_noncanonical_2(i32 %x, i32* %p) {
-; CHECK-LABEL: @uaddo_i32_increment_noncanonical_2(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 1)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i32, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i32, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i32 [[MATH]], i32* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %a = add i32 %x, 1
- %ov = icmp eq i32 0, %a ; commute
- store i32 %a, i32* %p
- ret i1 %ov
-}
-
-define i1 @uaddo_i16_increment_noncanonical_3(i16 %x, i16* %p) {
-; CHECK-LABEL: @uaddo_i16_increment_noncanonical_3(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i16, i1 } @llvm.uadd.with.overflow.i16(i16 1, i16 [[X:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i16, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i16, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i16 [[MATH]], i16* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %a = add i16 1, %x ; commute
- %ov = icmp eq i16 0, %a ; commute
- store i16 %a, i16* %p
- ret i1 %ov
-}
-
-; The overflow check may be against the input rather than the sum.
-
-define i1 @uaddo_i64_increment_alt(i64 %x, i64* %p) {
-; CHECK-LABEL: @uaddo_i64_increment_alt(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[X:%.*]], i64 1)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i64 [[MATH]], i64* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %a = add i64 %x, 1
- store i64 %a, i64* %p
- %ov = icmp eq i64 %x, -1
- ret i1 %ov
-}
-
-; Make sure insertion is done correctly based on dominance.
-
-define i1 @uaddo_i64_increment_alt_dom(i64 %x, i64* %p) {
-; CHECK-LABEL: @uaddo_i64_increment_alt_dom(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[X:%.*]], i64 1)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i64 [[MATH]], i64* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %ov = icmp eq i64 %x, -1
- %a = add i64 %x, 1
- store i64 %a, i64* %p
- ret i1 %ov
-}
-
-; The overflow check may be against the input rather than the sum.
-
-define i1 @uaddo_i64_decrement_alt(i64 %x, i64* %p) {
-; CHECK-LABEL: @uaddo_i64_decrement_alt(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[X:%.*]], i64 -1)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i64 [[MATH]], i64* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %a = add i64 %x, -1
- store i64 %a, i64* %p
- %ov = icmp ne i64 %x, 0
- ret i1 %ov
-}
-
-; Make sure insertion is done correctly based on dominance.
-
-define i1 @uaddo_i64_decrement_alt_dom(i64 %x, i64* %p) {
-; CHECK-LABEL: @uaddo_i64_decrement_alt_dom(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[X:%.*]], i64 -1)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i64 [[MATH]], i64* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %ov = icmp ne i64 %x, 0
- %a = add i64 %x, -1
- store i64 %a, i64* %p
- ret i1 %ov
-}
-
-; No transform for illegal types.
-
-define i1 @uaddo_i42_increment_illegal_type(i42 %x, i42* %p) {
-; CHECK-LABEL: @uaddo_i42_increment_illegal_type(
-; CHECK-NEXT: [[A:%.*]] = add i42 [[X:%.*]], 1
-; CHECK-NEXT: [[OV:%.*]] = icmp eq i42 [[A]], 0
-; CHECK-NEXT: store i42 [[A]], i42* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV]]
-;
- %a = add i42 %x, 1
- %ov = icmp eq i42 %a, 0
- store i42 %a, i42* %p
- ret i1 %ov
-}
-
-define i1 @usubo_ult_i64(i64 %x, i64 %y, i64* %p) {
-; CHECK-LABEL: @usubo_ult_i64(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 [[X:%.*]], i64 [[Y:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i64 [[MATH]], i64* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %s = sub i64 %x, %y
- store i64 %s, i64* %p
- %ov = icmp ult i64 %x, %y
- ret i1 %ov
-}
-
-; Verify insertion point for single-BB. Toggle predicate.
-
-define i1 @usubo_ugt_i32(i32 %x, i32 %y, i32* %p) {
-; CHECK-LABEL: @usubo_ugt_i32(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 [[X:%.*]], i32 [[Y:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i32, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i32, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i32 [[MATH]], i32* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %ov = icmp ugt i32 %y, %x
- %s = sub i32 %x, %y
- store i32 %s, i32* %p
- ret i1 %ov
-}
-
-; Constant operand should match.
-
-define i1 @usubo_ugt_constant_op0_i8(i8 %x, i8* %p) {
-; CHECK-LABEL: @usubo_ugt_constant_op0_i8(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i8, i1 } @llvm.usub.with.overflow.i8(i8 42, i8 [[X:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i8, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i8, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i8 [[MATH]], i8* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %s = sub i8 42, %x
- %ov = icmp ugt i8 %x, 42
- store i8 %s, i8* %p
- ret i1 %ov
-}
-
-; Compare with constant operand 0 is canonicalized by commuting, but verify match for non-canonical form.
-
-define i1 @usubo_ult_constant_op0_i16(i16 %x, i16* %p) {
-; CHECK-LABEL: @usubo_ult_constant_op0_i16(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i16, i1 } @llvm.usub.with.overflow.i16(i16 43, i16 [[X:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i16, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i16, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i16 [[MATH]], i16* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %s = sub i16 43, %x
- %ov = icmp ult i16 43, %x
- store i16 %s, i16* %p
- ret i1 %ov
-}
-
-; Subtract with constant operand 1 is canonicalized to add.
-
-define i1 @usubo_ult_constant_op1_i16(i16 %x, i16* %p) {
-; CHECK-LABEL: @usubo_ult_constant_op1_i16(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i16, i1 } @llvm.usub.with.overflow.i16(i16 [[X:%.*]], i16 44)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i16, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i16, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i16 [[MATH]], i16* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %s = add i16 %x, -44
- %ov = icmp ult i16 %x, 44
- store i16 %s, i16* %p
- ret i1 %ov
-}
-
-define i1 @usubo_ugt_constant_op1_i8(i8 %x, i8* %p) {
-; CHECK-LABEL: @usubo_ugt_constant_op1_i8(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i8, i1 } @llvm.usub.with.overflow.i8(i8 [[X:%.*]], i8 45)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i8, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i8, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i8 [[MATH]], i8* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %ov = icmp ugt i8 45, %x
- %s = add i8 %x, -45
- store i8 %s, i8* %p
- ret i1 %ov
-}
-
-; Special-case: subtract 1 changes the compare predicate and constant.
-
-define i1 @usubo_eq_constant1_op1_i32(i32 %x, i32* %p) {
-; CHECK-LABEL: @usubo_eq_constant1_op1_i32(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 [[X:%.*]], i32 1)
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i32, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i32, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i32 [[MATH]], i32* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %s = add i32 %x, -1
- %ov = icmp eq i32 %x, 0
- store i32 %s, i32* %p
- ret i1 %ov
-}
-
-; Special-case: subtract from 0 (negate) changes the compare predicate.
-
-define i1 @usubo_ne_constant0_op1_i32(i32 %x, i32* %p) {
-; CHECK-LABEL: @usubo_ne_constant0_op1_i32(
-; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 0, i32 [[X:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i32, i1 } [[TMP1]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i32, i1 } [[TMP1]], 1
-; CHECK-NEXT: store i32 [[MATH]], i32* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
- %s = sub i32 0, %x
- %ov = icmp ne i32 %x, 0
- store i32 %s, i32* %p
- ret i1 %ov
-}
-
-; Verify insertion point for multi-BB.
-
-declare void @call(i1)
-
-define i1 @usubo_ult_sub_dominates_i64(i64 %x, i64 %y, i64* %p, i1 %cond) {
-; CHECK-LABEL: @usubo_ult_sub_dominates_i64(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 [[COND:%.*]], label [[T:%.*]], label [[F:%.*]]
-; CHECK: t:
-; CHECK-NEXT: [[TMP0:%.*]] = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 [[X:%.*]], i64 [[Y:%.*]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP0]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i64, i1 } [[TMP0]], 1
-; CHECK-NEXT: store i64 [[MATH]], i64* [[P:%.*]]
-; CHECK-NEXT: br i1 [[COND]], label [[END:%.*]], label [[F]]
-; CHECK: f:
-; CHECK-NEXT: ret i1 [[COND]]
-; CHECK: end:
-; CHECK-NEXT: ret i1 [[OV1]]
-;
-entry:
- br i1 %cond, label %t, label %f
-
-t:
- %s = sub i64 %x, %y
- store i64 %s, i64* %p
- br i1 %cond, label %end, label %f
-
-f:
- ret i1 %cond
-
-end:
- %ov = icmp ult i64 %x, %y
- ret i1 %ov
-}
-
-define i1 @usubo_ult_cmp_dominates_i64(i64 %x, i64 %y, i64* %p, i1 %cond) {
-; CHECK-LABEL: @usubo_ult_cmp_dominates_i64(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: br i1 [[COND:%.*]], label [[T:%.*]], label [[F:%.*]]
-; CHECK: t:
-; CHECK-NEXT: [[OV:%.*]] = icmp ult i64 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: call void @call(i1 [[OV]])
-; CHECK-NEXT: br i1 [[OV]], label [[END:%.*]], label [[F]]
-; CHECK: f:
-; CHECK-NEXT: ret i1 [[COND]]
-; CHECK: end:
-; CHECK-NEXT: [[TMP0:%.*]] = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 [[X]], i64 [[Y]])
-; CHECK-NEXT: [[MATH:%.*]] = extractvalue { i64, i1 } [[TMP0]], 0
-; CHECK-NEXT: [[OV1:%.*]] = extractvalue { i64, i1 } [[TMP0]], 1
-; CHECK-NEXT: store i64 [[MATH]], i64* [[P:%.*]]
-; CHECK-NEXT: ret i1 [[OV1]]
-;
-entry:
- br i1 %cond, label %t, label %f
-
-t:
- %ov = icmp ult i64 %x, %y
- call void @call(i1 %ov)
- br i1 %ov, label %end, label %f
-
-f:
- ret i1 %cond
-
-end:
- %s = sub i64 %x, %y
- store i64 %s, i64* %p
- ret i1 %ov
-}
-
-; Verify that crazy/non-canonical code does not crash.
-
-define void @bar() {
-; CHECK-LABEL: @bar(
-; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 1, -1
-; CHECK-NEXT: [[FROMBOOL:%.*]] = zext i1 [[CMP]] to i8
-; CHECK-NEXT: unreachable
-;
- %cmp = icmp eq i64 1, -1
- %frombool = zext i1 %cmp to i8
- unreachable
-}
-
-define void @foo() {
-; CHECK-LABEL: @foo(
-; CHECK-NEXT: [[SUB:%.*]] = add nsw i64 1, 1
-; CHECK-NEXT: [[CONV:%.*]] = trunc i64 [[SUB]] to i32
-; CHECK-NEXT: unreachable
-;
- %sub = add nsw i64 1, 1
- %conv = trunc i64 %sub to i32
- unreachable
-}
-
-; Similarly for usubo.
-
-define i1 @bar2() {
-; CHECK-LABEL: @bar2(
-; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 1, 0
-; CHECK-NEXT: ret i1 [[CMP]]
-;
- %cmp = icmp eq i64 1, 0
- ret i1 %cmp
-}
-
-define i64 @foo2(i8 *%p) {
-; CHECK-LABEL: @foo2(
-; CHECK-NEXT: [[SUB:%.*]] = add nsw i64 1, -1
-; CHECK-NEXT: ret i64 [[SUB]]
-;
- %sub = add nsw i64 1, -1
- ret i64 %sub
-}
-
-; Avoid hoisting a math op into a dominating block which would
-; increase the critical path.
-
-define void @PR41129(i64* %p64) {
-; CHECK-LABEL: @PR41129(
-; CHECK-NEXT: entry:
-; CHECK-NEXT: [[KEY:%.*]] = load i64, i64* [[P64:%.*]], align 8
-; CHECK-NEXT: [[COND17:%.*]] = icmp eq i64 [[KEY]], 0
-; CHECK-NEXT: br i1 [[COND17]], label [[TRUE:%.*]], label [[FALSE:%.*]]
-; CHECK: false:
-; CHECK-NEXT: [[ANDVAL:%.*]] = and i64 [[KEY]], 7
-; CHECK-NEXT: store i64 [[ANDVAL]], i64* [[P64]]
-; CHECK-NEXT: br label [[EXIT:%.*]]
-; CHECK: true:
-; CHECK-NEXT: [[SVALUE:%.*]] = add i64 [[KEY]], -1
-; CHECK-NEXT: store i64 [[SVALUE]], i64* [[P64]]
-; CHECK-NEXT: br label [[EXIT]]
-; CHECK: exit:
-; CHECK-NEXT: ret void
-;
-entry:
- %key = load i64, i64* %p64, align 8
- %cond17 = icmp eq i64 %key, 0
- br i1 %cond17, label %true, label %false
-
-false:
- %andval = and i64 %key, 7
- store i64 %andval, i64* %p64
- br label %exit
-
-true:
- %svalue = add i64 %key, -1
- store i64 %svalue, i64* %p64
- br label %exit
-
-exit:
- ret void
-}
-
-; Check that every instruction inserted by -codegenprepare has a debug location.
-; DEBUG: CheckModuleDebugify: PASS
-
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