| ; RUN: opt < %s -constprop -instcombine -S | not grep {call.*llvm.memcpy.i32} |
| |
| @h = constant [2 x i8] c"h\00" ; <[2 x i8]*> [#uses=1] |
| @hel = constant [4 x i8] c"hel\00" ; <[4 x i8]*> [#uses=1] |
| @hello_u = constant [8 x i8] c"hello_u\00" ; <[8 x i8]*> [#uses=1] |
| |
| define i32 @main() { |
| %h_p = getelementptr [2 x i8]* @h, i32 0, i32 0 |
| %hel_p = getelementptr [4 x i8]* @hel, i32 0, i32 0 |
| %hello_u_p = getelementptr [8 x i8]* @hello_u, i32 0, i32 0 |
| %target = alloca [1024 x i8] |
| %target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0 |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %h_p, i32 2, i32 2, i1 false) |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %hel_p, i32 4, i32 4, i1 false) |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %hello_u_p, i32 8, i32 8, i1 false) |
| ret i32 0 |
| } |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind |
