| Jyotsna Verma | fdc660b | 2013-03-22 18:41:34 +0000 | [diff] [blame^] | 1 | ; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s |
| 2 | ; Generate MemOps for V4 and above. |
| 3 | |
| 4 | |
| 5 | define void @f(i16* nocapture %p) nounwind { |
| 6 | entry: |
| 7 | ; CHECK: memh(r{{[0-9]+}}{{ *}}+{{ *}}#20){{ *}}-={{ *}}#1 |
| 8 | %add.ptr = getelementptr inbounds i16* %p, i32 10 |
| 9 | %0 = load i16* %add.ptr, align 2, !tbaa !0 |
| 10 | %conv2 = zext i16 %0 to i32 |
| 11 | %sub = add nsw i32 %conv2, 65535 |
| 12 | %conv1 = trunc i32 %sub to i16 |
| 13 | store i16 %conv1, i16* %add.ptr, align 2, !tbaa !0 |
| 14 | ret void |
| 15 | } |
| 16 | |
| 17 | define void @g(i16* nocapture %p, i32 %i) nounwind { |
| 18 | entry: |
| 19 | ; CHECK: memh(r{{[0-9]+}}{{ *}}+{{ *}}#20){{ *}}-={{ *}}#1 |
| 20 | %add.ptr.sum = add i32 %i, 10 |
| 21 | %add.ptr1 = getelementptr inbounds i16* %p, i32 %add.ptr.sum |
| 22 | %0 = load i16* %add.ptr1, align 2, !tbaa !0 |
| 23 | %conv3 = zext i16 %0 to i32 |
| 24 | %sub = add nsw i32 %conv3, 65535 |
| 25 | %conv2 = trunc i32 %sub to i16 |
| 26 | store i16 %conv2, i16* %add.ptr1, align 2, !tbaa !0 |
| 27 | ret void |
| 28 | } |
| 29 | |
| 30 | !0 = metadata !{metadata !"short", metadata !1} |
| 31 | !1 = metadata !{metadata !"omnipotent char", metadata !2} |
| 32 | !2 = metadata !{metadata !"Simple C/C++ TBAA"} |