xref: /llvm-project/llvm/test/CodeGen/Hexagon/cfi_offset.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; RUN: llc -mtriple=hexagon -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
2; CHECK: .cfi_def_cfa r30
3; CHECK: .cfi_offset r31
4; CHECK: .cfi_offset r30
5
6@g0 = global i32 0, align 4
7@g1 = external constant ptr
8
9define i32 @f0() personality ptr @f3 {
10b0:
11  %v0 = alloca i32, align 4
12  %v1 = alloca ptr
13  %v2 = alloca i32
14  %v3 = alloca i32, align 4
15  store i32 0, ptr %v0
16  %v4 = call ptr @f1(i32 4) #1
17  store i32 20, ptr %v4
18  invoke void @f2(ptr %v4, ptr @g1, ptr null) #2
19          to label %b6 unwind label %b1
20
21b1:                                               ; preds = %b0
22  %v6 = landingpad { ptr, i32 }
23          catch ptr @g1
24  %v7 = extractvalue { ptr, i32 } %v6, 0
25  store ptr %v7, ptr %v1
26  %v8 = extractvalue { ptr, i32 } %v6, 1
27  store i32 %v8, ptr %v2
28  br label %b2
29
30b2:                                               ; preds = %b1
31  %v9 = load i32, ptr %v2
32  %v10 = call i32 @llvm.eh.typeid.for(ptr @g1) #1
33  %v11 = icmp eq i32 %v9, %v10
34  br i1 %v11, label %b3, label %b5
35
36b3:                                               ; preds = %b2
37  %v12 = load ptr, ptr %v1
38  %v13 = call ptr @f4(ptr %v12) #1
39  %v15 = load i32, ptr %v13, align 4
40  store i32 %v15, ptr %v3, align 4
41  %v16 = load i32, ptr %v3, align 4
42  store i32 %v16, ptr @g0, align 4
43  call void @f5() #1
44  br label %b4
45
46b4:                                               ; preds = %b3
47  %v17 = load i32, ptr @g0, align 4
48  ret i32 %v17
49
50b5:                                               ; preds = %b2
51  %v18 = load ptr, ptr %v1
52  %v19 = load i32, ptr %v2
53  %v20 = insertvalue { ptr, i32 } undef, ptr %v18, 0
54  %v21 = insertvalue { ptr, i32 } %v20, i32 %v19, 1
55  resume { ptr, i32 } %v21
56
57b6:                                               ; preds = %b0
58  unreachable
59}
60
61declare ptr @f1(i32)
62
63declare void @f2(ptr, ptr, ptr)
64
65declare i32 @f3(...)
66
67; Function Attrs: nounwind readnone
68declare i32 @llvm.eh.typeid.for(ptr) #0
69
70declare ptr @f4(ptr)
71
72declare void @f5()
73
74attributes #0 = { nounwind readnone }
75attributes #1 = { nounwind }
76attributes #2 = { noreturn }
77