xref: /llvm-project/llvm/test/Verifier/swifttailcc-musttail.ll (revision c820f2a43eaba02db97c4ff60c58a58e6bdd391d)
1; RUN: not opt -passes=verify %s 2>&1 | FileCheck %s
2
3declare swifttailcc void @simple()
4
5define swifttailcc void @inreg(ptr inreg) {
6; CHECK: inreg attribute not allowed in swifttailcc musttail caller
7  musttail call swifttailcc void @simple()
8  ret void
9}
10
11define swifttailcc void @inalloca(ptr inalloca(i8)) {
12; CHECK: inalloca attribute not allowed in swifttailcc musttail caller
13  musttail call swifttailcc void @simple()
14  ret void
15}
16
17define swifttailcc void @swifterror(ptr swifterror) {
18; CHECK: swifterror attribute not allowed in swifttailcc musttail caller
19  musttail call swifttailcc void @simple()
20  ret void
21}
22
23define swifttailcc void @preallocated(ptr preallocated(i8)) {
24; CHECK: preallocated attribute not allowed in swifttailcc musttail caller
25  musttail call swifttailcc void @simple()
26  ret void
27}
28
29define swifttailcc void @byref(ptr byref(i8)) {
30; CHECK: byref attribute not allowed in swifttailcc musttail caller
31  musttail call swifttailcc void @simple()
32  ret void
33}
34
35define swifttailcc void @call_inreg() {
36; CHECK: inreg attribute not allowed in swifttailcc musttail callee
37  musttail call swifttailcc void @inreg(ptr inreg undef)
38  ret void
39}
40
41define swifttailcc void @call_inalloca() {
42; CHECK: inalloca attribute not allowed in swifttailcc musttail callee
43  musttail call swifttailcc void @inalloca(ptr inalloca(i8) undef)
44  ret void
45}
46
47define swifttailcc void @call_swifterror() {
48; CHECK: swifterror attribute not allowed in swifttailcc musttail callee
49  %err = alloca swifterror ptr
50  musttail call swifttailcc void @swifterror(ptr swifterror %err)
51  ret void
52}
53
54define swifttailcc void @call_preallocated() {
55; CHECK: preallocated attribute not allowed in swifttailcc musttail callee
56  musttail call swifttailcc void @preallocated(ptr preallocated(i8) undef)
57  ret void
58}
59
60define swifttailcc void @call_byref() {
61; CHECK: byref attribute not allowed in swifttailcc musttail callee
62  musttail call swifttailcc void @byref(ptr byref(i8) undef)
63  ret void
64}
65
66
67declare swifttailcc void @varargs(...)
68define swifttailcc void @call_varargs(...) {
69; CHECK: cannot guarantee swifttailcc tail call for varargs function
70  musttail call swifttailcc void(...) @varargs(...)
71  ret void
72}
73