| Ahmed Bougacha | 9677cc6 | 2017-02-03 19:11:19 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=i686-unknown-linux -O2 | FileCheck %s |
| 2 | |
| 3 | ; This tests the i686 lowering of mempcpy. |
| 4 | ; Also see mempcpy.ll |
| 5 | |
| 6 | @G = common global i8* null, align 8 |
| 7 | |
| 8 | ; CHECK-LABEL: RET_MEMPCPY: |
| 9 | ; CHECK: movl [[REG:%e[a-z0-9]+]], {{.*}}G |
| 10 | ; CHECK: calll {{.*}}memcpy |
| 11 | ; CHECK: movl [[REG]], %eax |
| 12 | ; |
| 13 | define i8* @RET_MEMPCPY(i8* %DST, i8* %SRC, i32 %N) { |
| 14 | %add.ptr = getelementptr inbounds i8, i8* %DST, i32 %N |
| 15 | store i8* %add.ptr, i8** @G, align 8 |
| 16 | %call = tail call i8* @mempcpy(i8* %DST, i8* %SRC, i32 %N) |
| 17 | ret i8* %call |
| 18 | } |
| 19 | |
| 20 | declare i8* @mempcpy(i8*, i8*, i32) |