xref: /llvm-project/llvm/test/CodeGen/Hexagon/tied_oper.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=hexagon -O3 -verify-machineinstrs -disable-hexagon-peephole < %s
2; REQUIRES: asserts
3
4; This test checks if tied operands are consistent.
5target triple = "hexagon-unknown--elf"
6
7; Function Attrs: nounwind
8define void @f0(ptr nocapture %a0) #0 {
9b0:
10  br label %b1
11
12b1:                                               ; preds = %b5, %b0
13  %v0 = phi ptr [ %a0, %b0 ], [ %v5, %b5 ]
14  %v1 = phi i16 [ undef, %b0 ], [ %v10, %b5 ]
15  br i1 undef, label %b2, label %b3
16
17b2:                                               ; preds = %b1
18  %v2 = getelementptr inbounds i16, ptr %v0, i32 1
19  %v3 = load i16, ptr %v0, align 2, !tbaa !0
20  br label %b3
21
22b3:                                               ; preds = %b2, %b1
23  %v4 = phi i16 [ %v3, %b2 ], [ %v1, %b1 ]
24  %v5 = phi ptr [ %v2, %b2 ], [ %v0, %b1 ]
25  %v6 = lshr i16 %v4, 4
26  %v7 = zext i16 %v6 to i32
27  %v8 = and i32 %v7, 15
28  %v9 = icmp ult i32 %v8, 9
29  br i1 %v9, label %b4, label %b5
30
31b4:                                               ; preds = %b3
32  call void @llvm.trap()
33  unreachable
34
35b5:                                               ; preds = %b3
36  %v10 = lshr i16 %v4, 8
37  br label %b1
38}
39
40; Function Attrs: noreturn nounwind
41declare void @llvm.trap() #1
42
43attributes #0 = { nounwind "target-cpu"="hexagonv55" }
44attributes #1 = { noreturn nounwind }
45
46!0 = !{!1, !1, i64 0}
47!1 = !{!"short", !2}
48!2 = !{!"omnipotent char", !3}
49!3 = !{!"Simple C/C++ TBAA"}
50