xref: /llvm-project/llvm/test/Transforms/RewriteStatepointsForGC/strip-invalid-attributes.ll (revision f01a3a893c147c1594b9a3fbd817456b209dabbf) 
1; RUN: opt -S -passes=rewrite-statepoints-for-gc  < %s | FileCheck %s
2
3
4; Ensure we're stipping attributes from the function signatures which are invalid
5; after inserting safepoints with explicit memory semantics
6
7declare void @f()
8
9define ptr addrspace(1) @deref_arg(ptr addrspace(1) dereferenceable(16) %arg) gc "statepoint-example" {
10; CHECK: define ptr addrspace(1) @deref_arg(ptr addrspace(1) %arg)
11  call void @f()
12  ret ptr addrspace(1) %arg
13}
14
15define dereferenceable(16) ptr addrspace(1) @deref_ret(ptr addrspace(1) %arg) gc "statepoint-example" {
16; CHECK: define ptr addrspace(1) @deref_ret(ptr addrspace(1) %arg)
17  call void @f()
18  ret ptr addrspace(1) %arg
19}
20
21define ptr addrspace(1) @deref_or_null_arg(ptr addrspace(1) dereferenceable_or_null(16) %arg) gc "statepoint-example" {
22; CHECK: define ptr addrspace(1) @deref_or_null_arg(ptr addrspace(1) %arg)
23  call void @f()
24  ret ptr addrspace(1) %arg
25}
26
27define dereferenceable_or_null(16) ptr addrspace(1) @deref_or_null_ret(ptr addrspace(1) %arg) gc "statepoint-example" {
28; CHECK: define ptr addrspace(1) @deref_or_null_ret(ptr addrspace(1) %arg)
29  call void @f()
30  ret ptr addrspace(1) %arg
31}
32
33define ptr addrspace(1) @noalias_arg(ptr addrspace(1) noalias %arg) gc "statepoint-example" {
34; CHECK: define ptr addrspace(1) @noalias_arg(ptr addrspace(1) %arg)
35  call void @f()
36  ret ptr addrspace(1) %arg
37}
38
39define noalias ptr addrspace(1) @noalias_ret(ptr addrspace(1) %arg) gc "statepoint-example" {
40; CHECK: define ptr addrspace(1) @noalias_ret(ptr addrspace(1) %arg)
41  call void @f()
42  ret ptr addrspace(1) %arg
43}
44
45define ptr addrspace(1) @nofree(ptr addrspace(1) nofree %arg) nofree gc "statepoint-example" {
46; CHECK: define ptr addrspace(1) @nofree(ptr addrspace(1) %arg) gc "statepoint-example" {
47  call void @f()
48  ret ptr addrspace(1) %arg
49}
50
51define ptr addrspace(1) @nosync(ptr addrspace(1) %arg) nosync gc "statepoint-example" {
52; CHECK: define ptr addrspace(1) @nosync(ptr addrspace(1) %arg) gc "statepoint-example" {
53  call void @f()
54  ret ptr addrspace(1) %arg
55}
56
57define ptr addrspace(1) @readnone(ptr addrspace(1) readnone %arg) readnone gc "statepoint-example" {
58; CHECK: define ptr addrspace(1) @readnone(ptr addrspace(1) %arg) gc "statepoint-example" {
59  call void @f()
60  ret ptr addrspace(1) %arg
61}
62
63define ptr addrspace(1) @readonly(ptr addrspace(1) readonly %arg) readonly gc "statepoint-example" {
64; CHECK: define ptr addrspace(1) @readonly(ptr addrspace(1) %arg) gc "statepoint-example" {
65  call void @f()
66  ret ptr addrspace(1) %arg
67}
68
69define ptr addrspace(1) @writeonly(ptr addrspace(1) writeonly %arg) writeonly gc "statepoint-example" {
70; CHECK: define ptr addrspace(1) @writeonly(ptr addrspace(1) %arg) gc "statepoint-example" {
71  call void @f()
72  ret ptr addrspace(1) %arg
73}
74
75define ptr addrspace(1) @argmemonly(ptr addrspace(1) %arg) argmemonly gc "statepoint-example" {
76; CHECK: define ptr addrspace(1) @argmemonly(ptr addrspace(1) %arg) gc "statepoint-example" {
77  call void @f()
78  ret ptr addrspace(1) %arg
79}
80
81define ptr addrspace(1) @inaccessiblememonly(ptr addrspace(1) %arg) inaccessiblememonly gc "statepoint-example" {
82; CHECK: define ptr addrspace(1) @inaccessiblememonly(ptr addrspace(1) %arg) gc "statepoint-example" {
83  call void @f()
84  ret ptr addrspace(1) %arg
85}
86
87define ptr addrspace(1) @inaccessiblemem_or_argmemonly(ptr addrspace(1) %arg) inaccessiblemem_or_argmemonly gc "statepoint-example" {
88; CHECK: define ptr addrspace(1) @inaccessiblemem_or_argmemonly(ptr addrspace(1) %arg) gc "statepoint-example" {
89  call void @f()
90  ret ptr addrspace(1) %arg
91}
92
93