forked from OSchip/llvm-project
86 lines
2.8 KiB
LLVM
86 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -O3 -S < %s | FileCheck %s
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; RUN: opt -passes='default<O3>' -S < %s | FileCheck %s
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define void @foo(i1 %which, i32 %a, i32 %b, i64 *%result) {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = sub i32 0, [[B:%.*]]
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; CHECK-NEXT: [[Z_V_P:%.*]] = select i1 [[WHICH:%.*]], i32 [[B]], i32 [[TMP0]]
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; CHECK-NEXT: [[Z_V:%.*]] = add i32 [[Z_V_P]], [[A:%.*]]
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; CHECK-NEXT: [[Z:%.*]] = zext i32 [[Z_V]] to i64
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; CHECK-NEXT: [[C:%.*]] = load i64, i64* [[RESULT:%.*]], align 4
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; CHECK-NEXT: [[VALUE:%.*]] = add i64 [[C]], [[Z]]
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; CHECK-NEXT: store i64 [[VALUE]], i64* [[RESULT]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%x = add i32 %a, %b
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%x2 = zext i32 %x to i64
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br i1 %which, label %final, label %delay
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delay:
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%y = sub i32 %a, %b
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%y2 = zext i32 %y to i64
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br label %final
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final:
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%z = phi i64 [ %x2, %entry ], [ %y2, %delay ]
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%c = load i64, i64* %result
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%value = add i64 %z, %c
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store i64 %value, i64* %result
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ret void
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}
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define void @bar(i1 %which, i32 %a, i32 %b, i64 *%result) {
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; CHECK-LABEL: @bar(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = sub i32 0, [[B:%.*]]
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; CHECK-NEXT: [[SPEC_SELECT_P:%.*]] = select i1 [[WHICH:%.*]], i32 [[B]], i32 [[TMP0]]
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; CHECK-NEXT: [[SPEC_SELECT:%.*]] = add i32 [[SPEC_SELECT_P]], [[A:%.*]]
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; CHECK-NEXT: [[Z2:%.*]] = zext i32 [[SPEC_SELECT]] to i64
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; CHECK-NEXT: [[C:%.*]] = load i64, i64* [[RESULT:%.*]], align 4
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; CHECK-NEXT: [[VALUE:%.*]] = add i64 [[C]], [[Z2]]
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; CHECK-NEXT: store i64 [[VALUE]], i64* [[RESULT]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%x = add i32 %a, %b
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br i1 %which, label %final, label %delay
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delay:
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%y = sub i32 %a, %b
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br label %final
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final:
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%z = phi i32 [ %x, %entry ], [ %y, %delay ]
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%z2 = zext i32 %z to i64
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%c = load i64, i64* %result
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%value = add i64 %z2, %c
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store i64 %value, i64* %result
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ret void
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}
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define void @foo_opt(i1 %which, i32 %a, i32 %b, i64* nocapture %result) {
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; CHECK-LABEL: @foo_opt(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = sub i32 0, [[B:%.*]]
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; CHECK-NEXT: [[Z_V_P:%.*]] = select i1 [[WHICH:%.*]], i32 [[B]], i32 [[TMP0]]
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; CHECK-NEXT: [[Z_V:%.*]] = add i32 [[Z_V_P]], [[A:%.*]]
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; CHECK-NEXT: [[Z:%.*]] = zext i32 [[Z_V]] to i64
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; CHECK-NEXT: [[C:%.*]] = load i64, i64* [[RESULT:%.*]], align 4
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; CHECK-NEXT: [[VALUE:%.*]] = add i64 [[C]], [[Z]]
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; CHECK-NEXT: store i64 [[VALUE]], i64* [[RESULT]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%0 = sub i32 0, %b
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%z.v.p = select i1 %which, i32 %b, i32 %0
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%z.v = add i32 %z.v.p, %a
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%z = zext i32 %z.v to i64
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%c = load i64, i64* %result, align 4
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%value = add i64 %c, %z
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store i64 %value, i64* %result, align 4
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ret void
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}
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