llvm-project/llvm/test/Transforms/SimplifyLibCalls/2007-04-06-strchr-miscompil...

30 lines
892 B
LLVM

; PR1307
; RUN: llvm-as < %s | opt -simplify-libcalls -instcombine | llvm-dis > %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
}