5a56a25b0b
The code paths in the absence of TargetMachine, TargetLowering or TargetRegisterInfo are poorly tested. As rL285987 said, requiring TargetPassConfig allows us to delete many (untested) checks littered everywhere. Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D73754
41 lines
1.0 KiB
LLVM
41 lines
1.0 KiB
LLVM
; RUN: opt -codegenprepare -S -mtriple=x86_64 < %s | FileCheck %s
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@tmp = global i8 0
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; CHECK-LABEL: define void @foo() {
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define void @foo() {
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enter:
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; CHECK-NOT: !invariant.group
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; CHECK-NOT: @llvm.launder.invariant.group.p0i8(
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; CHECK: %val = load i8, i8* @tmp{{$}}
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%val = load i8, i8* @tmp, !invariant.group !0
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%ptr = call i8* @llvm.launder.invariant.group.p0i8(i8* @tmp)
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; CHECK: store i8 42, i8* @tmp{{$}}
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store i8 42, i8* %ptr, !invariant.group !0
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ret void
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}
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; CHECK-LABEL: }
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; CHECK-LABEL: define void @foo2() {
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define void @foo2() {
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enter:
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; CHECK-NOT: !invariant.group
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; CHECK-NOT: @llvm.strip.invariant.group.p0i8(
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; CHECK: %val = load i8, i8* @tmp{{$}}
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%val = load i8, i8* @tmp, !invariant.group !0
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%ptr = call i8* @llvm.strip.invariant.group.p0i8(i8* @tmp)
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; CHECK: store i8 42, i8* @tmp{{$}}
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store i8 42, i8* %ptr, !invariant.group !0
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ret void
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}
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; CHECK-LABEL: }
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declare i8* @llvm.launder.invariant.group.p0i8(i8*)
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declare i8* @llvm.strip.invariant.group.p0i8(i8*)
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!0 = !{}
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