| Chandler Carruth | 1de43ed | 2012-07-02 19:09:46 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -constprop -instcombine -S | not grep "call.*llvm.memcpy.i32" |
| Reid Spencer | 4ac0f21 | 2005-04-26 07:40:40 +0000 | [diff] [blame] | 2 | |
| Tanya Lattner | ceca194 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 3 | @h = constant [2 x i8] c"h\00" ; <[2 x i8]*> [#uses=1] |
| 4 | @hel = constant [4 x i8] c"hel\00" ; <[4 x i8]*> [#uses=1] |
| 5 | @hello_u = constant [8 x i8] c"hello_u\00" ; <[8 x i8]*> [#uses=1] |
| Reid Spencer | 4ac0f21 | 2005-04-26 07:40:40 +0000 | [diff] [blame] | 6 | |
| Tanya Lattner | ceca194 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 7 | define i32 @main() { |
| Chris Lattner | b85e4eb | 2011-06-18 06:05:24 +0000 | [diff] [blame] | 8 | %h_p = getelementptr [2 x i8]* @h, i32 0, i32 0 |
| 9 | %hel_p = getelementptr [4 x i8]* @hel, i32 0, i32 0 |
| 10 | %hello_u_p = getelementptr [8 x i8]* @hello_u, i32 0, i32 0 |
| 11 | %target = alloca [1024 x i8] |
| 12 | %target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0 |
| 13 | call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %h_p, i32 2, i32 2, i1 false) |
| 14 | call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %hel_p, i32 4, i32 4, i1 false) |
| 15 | call void @llvm.memcpy.p0i8.p0i8.i32(i8* %target_p, i8* %hello_u_p, i32 8, i32 8, i1 false) |
| 16 | ret i32 0 |
| Reid Spencer | 4ac0f21 | 2005-04-26 07:40:40 +0000 | [diff] [blame] | 17 | } |
| Tanya Lattner | ceca194 | 2008-03-10 07:21:50 +0000 | [diff] [blame] | 18 | |
| Chris Lattner | b85e4eb | 2011-06-18 06:05:24 +0000 | [diff] [blame] | 19 | declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind |