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e4dc717585
OnlyReadsMemoryFns tables are dead! We get more, and more accurate, information from gcc via the readnone and readonly function attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44288 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
350 B
LLVM
17 lines
350 B
LLVM
; RUN: llvm-as < %s | opt -basicaa -licm | llvm-dis | %prcontext strlen 1 | grep Out:
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declare i32 @strlen(i8*) readonly
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declare void @foo()
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define i32 @test(i8* %P) {
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br label %Loop
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Loop: ; preds = %Loop, %0
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%A = call i32 @strlen( i8* %P ) readonly ; <i32> [#uses=1]
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br i1 false, label %Loop, label %Out
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Out: ; preds = %Loop
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ret i32 %A
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}
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