2009-09-11 18:01:28 +00:00
|
|
|
; RUN: opt < %s -constprop -instcombine -S | not grep {call.*llvm.memcpy.i32}
|
2005-04-26 07:40:40 +00:00
|
|
|
|
2008-03-10 07:21:50 +00:00
|
|
|
@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]
|
2005-04-26 07:40:40 +00:00
|
|
|
|
2008-03-10 07:21:50 +00:00
|
|
|
define i32 @main() {
|
2011-06-18 06:05:24 +00:00
|
|
|
%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
|
2005-04-26 07:40:40 +00:00
|
|
|
}
|
2008-03-10 07:21:50 +00:00
|
|
|
|
2011-06-18 06:05:24 +00:00
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
|