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testcase for PR1307
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35705 91177308-0d34-0410-b5e6-96231b3b80d8
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; RUN: llvm-as < %s | opt -simplify-libcalls -instcombine | llvm-dis > %t &&
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; RUN: grep '@str,.*i64 3' %t &&
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; RUN: grep '@str1,.*i64 7' %t &&
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; RUN: grep 'ret i8.*null' %t
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; PR1307
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@str = internal constant [5 x i8] c"foog\00"
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@str1 = internal constant [8 x i8] c"blahhh!\00"
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@str2 = internal constant [5 x i8] c"Ponk\00"
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define i8* @test1() {
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%tmp3 = tail call i8* @strchr( i8* getelementptr ([5 x i8]* @str, i32 0, i32 2), i32 103 ) ; <i8*> [#uses=1]
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ret i8* %tmp3
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}
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declare i8* @strchr(i8*, i32)
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define i8* @test2() {
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%tmp3 = tail call i8* @strchr( i8* getelementptr ([8 x i8]* @str1, i32 0, i32 2), i32 0 ) ; <i8*> [#uses=1]
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ret i8* %tmp3
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}
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define i8* @test3() {
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entry:
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%tmp3 = tail call i8* @strchr( i8* getelementptr ([5 x i8]* @str2, i32 0, i32 1), i32 80 ) ; <i8*> [#uses=1]
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ret i8* %tmp3
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}
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