; PR1307 ; RUN: opt < %s -simplify-libcalls -instcombine -S > %t ; RUN: grep "@str,.*i64 3" %t ; RUN: grep "@str1,.*i64 7" %t ; RUN: grep "ret i8.*null" %t ; END. @str = internal constant [5 x i8] c"foog\00" @str1 = internal constant [8 x i8] c"blahhh!\00" @str2 = internal constant [5 x i8] c"Ponk\00" define i8* @test1() { %tmp3 = tail call i8* @strchr( i8* getelementptr ([5 x i8]* @str, i32 0, i32 2), i32 103 ) ; <i8*> [#uses=1] ret i8* %tmp3 } declare i8* @strchr(i8*, i32) define i8* @test2() { %tmp3 = tail call i8* @strchr( i8* getelementptr ([8 x i8]* @str1, i32 0, i32 2), i32 0 ) ; <i8*> [#uses=1] ret i8* %tmp3 } define i8* @test3() { entry: %tmp3 = tail call i8* @strchr( i8* getelementptr ([5 x i8]* @str2, i32 0, i32 1), i32 80 ) ; <i8*> [#uses=1] ret i8* %tmp3 }