Krzysztof Parzyszek | 461e669 | 2018-03-19 19:03:18 +0000 | [diff] [blame] | 1 | ; RUN: llc -O2 -march=hexagon < %s | FileCheck %s |
| 2 | ; Test that we do generate max #u5 in memops. |
| 3 | ; CHECK: memh(r{{[0-9]+}}+#0) -= #31 |
| 4 | |
| 5 | @g0 = unnamed_addr global i16 -32, align 2 |
| 6 | |
| 7 | ; Function Attrs: norecurse nounwind |
| 8 | define fastcc void @f0() unnamed_addr #0 { |
| 9 | b0: |
| 10 | %v0 = load i16, i16* @g0, align 1, !tbaa !4 |
| 11 | %v1 = zext i16 %v0 to i32 |
| 12 | %v2 = mul nuw nsw i32 %v1, 9625 |
| 13 | %v3 = and i32 %v2, 255 |
| 14 | %v4 = mul nuw nsw i32 %v3, 9625 |
| 15 | %v5 = and i32 %v4, 255 |
| 16 | %v6 = trunc i32 %v5 to i16 |
| 17 | store i16 %v6, i16* @g0, align 2, !tbaa !4 |
| 18 | ret void |
| 19 | } |
| 20 | |
| 21 | define i32 @f1() { |
| 22 | b0: |
| 23 | %v0 = load i16, i16* @g0, align 2, !tbaa !4 |
| 24 | %v1 = zext i16 %v0 to i32 |
| 25 | %v2 = add nuw nsw i32 %v1, 65505 |
| 26 | %v3 = trunc i32 %v2 to i16 |
| 27 | store i16 %v3, i16* @g0, align 2, !tbaa !4 |
| 28 | tail call fastcc void @f0() |
| 29 | %v4 = load i16, i16* @g0, align 2, !tbaa !4 |
| 30 | %v5 = zext i16 %v4 to i32 |
| 31 | ret i32 %v5 |
| 32 | } |
| 33 | |
| 34 | attributes #0 = { norecurse nounwind "target-cpu"="hexagonv55" } |
| 35 | |
| 36 | !llvm.module.flags = !{!0, !2} |
| 37 | |
| 38 | !0 = !{i32 6, !"Target CPU", !1} |
| 39 | !1 = !{!"hexagonv55"} |
| 40 | !2 = !{i32 6, !"Target Features", !3} |
| 41 | !3 = !{!"-hvx"} |
| 42 | !4 = !{!5, !5, i64 0} |
| 43 | !5 = !{!"omnipotent char", !6, i64 0} |
| 44 | !6 = !{!"Simple C/C++ TBAA"} |