1; RUN: opt -S -rewrite-statepoints-for-gc -rs4gc-use-deopt-bundles < %s | FileCheck %s
2
3; CHECK: declare i8 addrspace(1)* @some_function_ret_deref()
4; CHECK: define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* %a)
5; CHECK: define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* %a)
6; CHECK: define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* %a)
7
8declare void @foo()
9
10declare i8 addrspace(1)* @some_function() "gc-leaf-function"
11
12declare void @some_function_consumer(i8 addrspace(1)*) "gc-leaf-function"
13
14declare dereferenceable(4) i8 addrspace(1)* @some_function_ret_deref() "gc-leaf-function"
15declare noalias i8 addrspace(1)* @some_function_ret_noalias() "gc-leaf-function"
16
17define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* dereferenceable(4) %a) gc "statepoint-example" {
18entry:
19  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
20  ret i8 addrspace(1)* %a
21}
22
23define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* dereferenceable_or_null(4) %a) gc "statepoint-example" {
24entry:
25  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
26  ret i8 addrspace(1)* %a
27}
28
29define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* noalias %a) gc "statepoint-example" {
30entry:
31  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
32  ret i8 addrspace(1)* %a
33}
34
35define i8 addrspace(1)* @test_deref_retval() gc "statepoint-example" {
36; CHECK-LABEL: @test_deref_retval(
37; CHECK: %a = call i8 addrspace(1)* @some_function()
38entry:
39  %a = call dereferenceable(4) i8 addrspace(1)* @some_function()
40  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
41  ret i8 addrspace(1)* %a
42}
43
44define i8 addrspace(1)* @test_deref_or_null_retval() gc "statepoint-example" {
45; CHECK-LABEL: @test_deref_or_null_retval(
46; CHECK: %a = call i8 addrspace(1)* @some_function()
47entry:
48  %a = call dereferenceable_or_null(4) i8 addrspace(1)* @some_function()
49  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
50  ret i8 addrspace(1)* %a
51}
52
53define i8 addrspace(1)* @test_noalias_retval() gc "statepoint-example" {
54; CHECK-LABEL: @test_noalias_retval(
55; CHECK: %a = call i8 addrspace(1)* @some_function()
56entry:
57  %a = call noalias i8 addrspace(1)* @some_function()
58  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
59  ret i8 addrspace(1)* %a
60}
61
62define i8 @test_md(i8 addrspace(1)* %ptr) gc "statepoint-example" {
63; CHECK-LABEL: @test_md(
64; CHECK: %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
65entry:
66  %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
67  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
68  ret i8 %tmp
69}
70
71define i8 addrspace(1)* @test_decl_only_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
72; CHECK-LABEL: @test_decl_only_attribute(
73; No change here, but the prototype of some_function_ret_deref should have changed.
74; CHECK: call i8 addrspace(1)* @some_function_ret_deref()
75entry:
76  %a = call i8 addrspace(1)* @some_function_ret_deref()
77  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
78  ret i8 addrspace(1)* %a
79}
80
81define i8 addrspace(1)* @test_decl_only_noalias(i8 addrspace(1)* %ptr) gc "statepoint-example" {
82; CHECK-LABEL: @test_decl_only_noalias(
83; No change here, but the prototype of some_function_ret_noalias should have changed.
84; CHECK: call i8 addrspace(1)* @some_function_ret_noalias()
85entry:
86  %a = call i8 addrspace(1)* @some_function_ret_noalias()
87  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
88  ret i8 addrspace(1)* %a
89}
90
91define i8 addrspace(1)* @test_callsite_arg_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
92; CHECK-LABEL: @test_callsite_arg_attribute(
93; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr)
94; CHECK: !0 = !{!1, !1, i64 0}
95; CHECK: !1 = !{!"red", !2}
96; CHECK: !2 = !{!"blue"}
97entry:
98  call void @some_function_consumer(i8 addrspace(1)* dereferenceable(4) noalias %ptr)
99  call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
100  ret i8 addrspace(1)* %ptr
101}
102!0 = !{!1, !1, i64 0, i64 1}
103!1 = !{!"red", !2}
104!2 = !{!"blue"}
105