xref: /llvm-project/llvm/test/CodeGen/Hexagon/jump-table-isel.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=hexagon -hexagon-emit-jump-tables=0 < %s
2; REQUIRES: asserts
3; Check for successful compilation.
4
5target triple = "hexagon"
6
7%s.0 = type opaque
8%s.1 = type { i32, i32, i32 }
9
10@g0 = external global %s.0
11@g1 = external global %s.0
12@g2 = external global %s.0
13@g3 = external global %s.0
14@g4 = external global %s.0
15
16; Function Attrs: nounwind optsize
17define zeroext i8 @f0(ptr %a0, ptr nocapture %a1) #0 {
18b0:
19  store ptr null, ptr %a1, align 4, !tbaa !0
20  %v0 = getelementptr inbounds %s.1, ptr %a0, i32 0, i32 1
21  %v1 = load i32, ptr %v0, align 4, !tbaa !4
22  %v2 = icmp eq i32 %v1, 0
23  br i1 %v2, label %b1, label %b8
24
25b1:                                               ; preds = %b0
26  %v4 = load i32, ptr %a0, align 4, !tbaa !7
27  switch i32 %v4, label %b8 [
28    i32 0, label %b2
29    i32 1, label %b4
30    i32 4, label %b5
31    i32 5, label %b6
32    i32 2, label %b7
33  ]
34
35b2:                                               ; preds = %b1
36  %v5 = getelementptr inbounds %s.1, ptr %a0, i32 0, i32 2
37  %v6 = load i32, ptr %v5, align 4, !tbaa !8
38  switch i32 %v6, label %b8 [
39    i32 27, label %b3
40    i32 44, label %b3
41  ]
42
43b3:                                               ; preds = %b7, %b7, %b7, %b6, %b6, %b5, %b5, %b4, %b4, %b2, %b2
44  %v7 = phi ptr [ @g0, %b2 ], [ @g0, %b2 ], [ @g1, %b4 ], [ @g1, %b4 ], [ @g2, %b5 ], [ @g2, %b5 ], [ @g3, %b6 ], [ @g3, %b6 ], [ @g4, %b7 ], [ @g4, %b7 ], [ @g4, %b7 ]
45  store ptr %v7, ptr %a1, align 4, !tbaa !0
46  br label %b8
47
48b4:                                               ; preds = %b1
49  %v8 = getelementptr inbounds %s.1, ptr %a0, i32 0, i32 2
50  %v9 = load i32, ptr %v8, align 4, !tbaa !8
51  switch i32 %v9, label %b8 [
52    i32 27, label %b3
53    i32 44, label %b3
54  ]
55
56b5:                                               ; preds = %b1
57  %v10 = getelementptr inbounds %s.1, ptr %a0, i32 0, i32 2
58  %v11 = load i32, ptr %v10, align 4, !tbaa !8
59  switch i32 %v11, label %b8 [
60    i32 27, label %b3
61    i32 44, label %b3
62  ]
63
64b6:                                               ; preds = %b1
65  %v12 = getelementptr inbounds %s.1, ptr %a0, i32 0, i32 2
66  %v13 = load i32, ptr %v12, align 4, !tbaa !8
67  switch i32 %v13, label %b8 [
68    i32 27, label %b3
69    i32 44, label %b3
70  ]
71
72b7:                                               ; preds = %b1
73  %v14 = getelementptr inbounds %s.1, ptr %a0, i32 0, i32 2
74  %v15 = load i32, ptr %v14, align 4, !tbaa !8
75  switch i32 %v15, label %b8 [
76    i32 40, label %b3
77    i32 46, label %b3
78    i32 47, label %b3
79  ]
80
81b8:                                               ; preds = %b7, %b6, %b5, %b4, %b3, %b2, %b1, %b0
82  %v16 = phi i8 [ 1, %b3 ], [ 0, %b0 ], [ 0, %b2 ], [ 0, %b4 ], [ 0, %b5 ], [ 0, %b6 ], [ 0, %b1 ], [ 0, %b7 ]
83  ret i8 %v16
84}
85
86attributes #0 = { nounwind optsize }
87
88!0 = !{!1, !1, i64 0}
89!1 = !{!"any pointer", !2, i64 0}
90!2 = !{!"omnipotent char", !3, i64 0}
91!3 = !{!"Simple C/C++ TBAA"}
92!4 = !{!5, !6, i64 4}
93!5 = !{!"_ZTS3bar", !6, i64 0, !6, i64 4, !6, i64 8}
94!6 = !{!"int", !2, i64 0}
95!7 = !{!5, !6, i64 0}
96!8 = !{!5, !6, i64 8}
97