blob: 8eb2e8e83f50d3d675708d383118c21a6f47c5b9 [file] [log] [blame]
Krzysztof Parzyszek461e6692018-03-19 19:03:18 +00001; 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
8define fastcc void @f0() unnamed_addr #0 {
9b0:
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
21define i32 @f1() {
22b0:
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
34attributes #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"}