1 ; PR1307 2 ; RUN: opt < %s -simplify-libcalls -instcombine -S > %t 3 ; RUN: grep {@str,.*i64 3} %t 4 ; RUN: grep {@str1,.*i64 7} %t 5 ; RUN: grep {ret i8.*null} %t 6 ; END. 7 8 @str = internal constant [5 x i8] c"foog\00" 9 @str1 = internal constant [8 x i8] c"blahhh!\00" 10 @str2 = internal constant [5 x i8] c"Ponk\00" 11 12 define i8* @test1() { 13 %tmp3 = tail call i8* @strchr( i8* getelementptr ([5 x i8]* @str, i32 0, i32 2), i32 103 ) ; <i8*> [#uses=1] 14 ret i8* %tmp3 15 } 16 17 declare i8* @strchr(i8*, i32) 18 19 define i8* @test2() { 20 %tmp3 = tail call i8* @strchr( i8* getelementptr ([8 x i8]* @str1, i32 0, i32 2), i32 0 ) ; <i8*> [#uses=1] 21 ret i8* %tmp3 22 } 23 24 define i8* @test3() { 25 entry: 26 %tmp3 = tail call i8* @strchr( i8* getelementptr ([5 x i8]* @str2, i32 0, i32 1), i32 80 ) ; <i8*> [#uses=1] 27 ret i8* %tmp3 28 } 29 30
