1; RUN: opt -S -rewrite-statepoints-for-gc < %s | FileCheck %s
2; RUN: opt -S -passes=rewrite-statepoints-for-gc < %s | FileCheck %s
3
4; CHECK: declare i8 addrspace(1)* @some_function_ret_deref()
5; CHECK: define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* %a)
6; CHECK: define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* %a)
7; CHECK: define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* %a)
8
9declare void @foo()
10
11declare i8 addrspace(1)* @some_function() "gc-leaf-function"
12
13declare void @some_function_consumer(i8 addrspace(1)*) "gc-leaf-function"
14
15declare dereferenceable(4) i8 addrspace(1)* @some_function_ret_deref() "gc-leaf-function"
16declare noalias i8 addrspace(1)* @some_function_ret_noalias() "gc-leaf-function"
17
18define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* dereferenceable(4) %a) gc "statepoint-example" {
19entry:
20  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
21  ret i8 addrspace(1)* %a
22}
23
24define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* dereferenceable_or_null(4) %a) gc "statepoint-example" {
25entry:
26  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
27  ret i8 addrspace(1)* %a
28}
29
30define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* noalias %a) gc "statepoint-example" {
31entry:
32  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
33  ret i8 addrspace(1)* %a
34}
35
36define i8 addrspace(1)* @test_deref_retval() gc "statepoint-example" {
37; CHECK-LABEL: @test_deref_retval(
38; CHECK: %a = call i8 addrspace(1)* @some_function()
39entry:
40  %a = call dereferenceable(4) i8 addrspace(1)* @some_function()
41  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
42  ret i8 addrspace(1)* %a
43}
44
45define i8 addrspace(1)* @test_deref_or_null_retval() gc "statepoint-example" {
46; CHECK-LABEL: @test_deref_or_null_retval(
47; CHECK: %a = call i8 addrspace(1)* @some_function()
48entry:
49  %a = call dereferenceable_or_null(4) i8 addrspace(1)* @some_function()
50  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
51  ret i8 addrspace(1)* %a
52}
53
54define i8 addrspace(1)* @test_noalias_retval() gc "statepoint-example" {
55; CHECK-LABEL: @test_noalias_retval(
56; CHECK: %a = call i8 addrspace(1)* @some_function()
57entry:
58  %a = call noalias i8 addrspace(1)* @some_function()
59  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
60  ret i8 addrspace(1)* %a
61}
62
63define i8 @test_md(i8 addrspace(1)* %ptr) gc "statepoint-example" {
64; CHECK-LABEL: @test_md(
65; CHECK: %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
66entry:
67  %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
68  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
69  ret i8 %tmp
70}
71
72define i8 addrspace(1)* @test_decl_only_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
73; CHECK-LABEL: @test_decl_only_attribute(
74; No change here, but the prototype of some_function_ret_deref should have changed.
75; CHECK: call i8 addrspace(1)* @some_function_ret_deref()
76entry:
77  %a = call i8 addrspace(1)* @some_function_ret_deref()
78  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
79  ret i8 addrspace(1)* %a
80}
81
82define i8 addrspace(1)* @test_decl_only_noalias(i8 addrspace(1)* %ptr) gc "statepoint-example" {
83; CHECK-LABEL: @test_decl_only_noalias(
84; No change here, but the prototype of some_function_ret_noalias should have changed.
85; CHECK: call i8 addrspace(1)* @some_function_ret_noalias()
86entry:
87  %a = call i8 addrspace(1)* @some_function_ret_noalias()
88  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
89  ret i8 addrspace(1)* %a
90}
91
92define i8 addrspace(1)* @test_callsite_arg_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
93; CHECK-LABEL: @test_callsite_arg_attribute(
94; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr)
95; CHECK: !0 = !{!1, !1, i64 0}
96; CHECK: !1 = !{!"red", !2}
97; CHECK: !2 = !{!"blue"}
98entry:
99  call void @some_function_consumer(i8 addrspace(1)* dereferenceable(4) noalias %ptr)
100  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
101  ret i8 addrspace(1)* %ptr
102}
103!0 = !{!1, !1, i64 0, i64 1}
104!1 = !{!"red", !2}
105!2 = !{!"blue"}
106