23dd750279
This reverts commit 84ed3a794b4ffe7bd673f1e5a17d507aa3113d12. A number of clang tests are also affected by this change. Revert until I can update them.
25 lines
891 B
LLVM
25 lines
891 B
LLVM
; RUN: opt -basic-aa -function-attrs -S < %s | FileCheck %s
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; RUN: opt -aa-pipeline=basic-aa -passes=function-attrs -S < %s | FileCheck %s
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; Atomic load/store to local doesn't affect whether a function is
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; readnone/readonly.
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define i32 @test1(i32 %x) uwtable ssp {
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; CHECK: define i32 @test1(i32 %x) #0 {
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entry:
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%x.addr = alloca i32, align 4
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store atomic i32 %x, i32* %x.addr seq_cst, align 4
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%r = load atomic i32, i32* %x.addr seq_cst, align 4
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ret i32 %r
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}
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; A function with an Acquire load is not readonly.
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define i32 @test2(i32* %x) uwtable ssp {
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; CHECK: define i32 @test2(i32* nocapture readonly %x) #1 {
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entry:
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%r = load atomic i32, i32* %x seq_cst, align 4
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ret i32 %r
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}
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; CHECK: attributes #0 = { nofree norecurse nosync nounwind readnone ssp uwtable willreturn mustprogress }
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; CHECK: attributes #1 = { nofree norecurse nounwind ssp uwtable willreturn mustprogress }
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