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74351693ea
This makes the LLVM assembly look better. E.g.:
define void @foo() #0 { ret void }
attributes #0 = { nounwind noinline ssp }
llvm-svn: 175605
24 lines
684 B
LLVM
24 lines
684 B
LLVM
; RUN: opt -basicaa -functionattrs -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* %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 %x) #1 {
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entry:
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%r = load atomic i32* %x seq_cst, align 4
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ret i32 %r
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}
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; CHECK: attributes #0 = { readnone ssp uwtable }
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; CHECK: attributes #1 = { ssp uwtable }
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