1 ; RUN: opt -S -rewrite-statepoints-for-gc < %s | FileCheck %s
4 declare i8 addrspace(1)* @some_function()
5 declare void @some_function_consumer(i8 addrspace(1)*)
6 declare dereferenceable(4) i8 addrspace(1)* @some_function_ret_deref()
7 ; CHECK: declare i8 addrspace(1)* @some_function_ret_deref()
8 declare noalias i8 addrspace(1)* @some_function_ret_noalias()
9 ; CHECK: declare i8 addrspace(1)* @some_function_ret_noalias()
11 define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* dereferenceable(4) %a) gc "statepoint-example" {
12 ; CHECK: define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* %a)
14 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
15 ret i8 addrspace(1)* %a
18 define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* dereferenceable_or_null(4) %a) gc "statepoint-example" {
19 ; CHECK: define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* %a)
21 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
22 ret i8 addrspace(1)* %a
25 define i8 addrspace(1)* @test_deref_retval() gc "statepoint-example" {
26 ; CHECK-LABEL: @test_deref_retval(
28 %a = call dereferenceable(4) i8 addrspace(1)* @some_function()
29 ; CHECK: %a = call i8 addrspace(1)* @some_function()
30 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
31 ret i8 addrspace(1)* %a
34 define i8 addrspace(1)* @test_deref_or_null_retval() gc "statepoint-example" {
35 ; CHECK-LABEL: @test_deref_or_null_retval(
37 %a = call dereferenceable_or_null(4) i8 addrspace(1)* @some_function()
38 ; CHECK: %a = call i8 addrspace(1)* @some_function()
39 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
40 ret i8 addrspace(1)* %a
43 define i8 @test_md(i8 addrspace(1)* %ptr) gc "statepoint-example" {
44 ; CHECK-LABEL: @test_md(
46 ; CHECK: %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
47 %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
48 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
52 define i8 addrspace(1)* @test_decl_only_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
53 ; CHECK-LABEL: @test_decl_only_attribute(
55 ; No change here, but the prototype of some_function_ret_deref should have changed.
56 ; CHECK: call i8 addrspace(1)* @some_function_ret_deref()
57 %a = call i8 addrspace(1)* @some_function_ret_deref()
58 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
59 ret i8 addrspace(1)* %a
62 define i8 addrspace(1)* @test_callsite_arg_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
63 ; CHECK-LABEL: @test_callsite_arg_attribute(
65 ; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr)
66 call void @some_function_consumer(i8 addrspace(1)* dereferenceable(4) %ptr)
67 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
68 ret i8 addrspace(1)* %ptr
71 define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* noalias %a) gc "statepoint-example" {
72 ; CHECK: define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* %a)
74 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
75 ret i8 addrspace(1)* %a
78 define i8 addrspace(1)* @test_noalias_retval() gc "statepoint-example" {
79 ; CHECK-LABEL: @test_noalias_retval(
81 %a = call noalias i8 addrspace(1)* @some_function()
82 ; CHECK: %a = call i8 addrspace(1)* @some_function()
83 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
84 ret i8 addrspace(1)* %a
87 define i8 addrspace(1)* @test_decl_only_noalias(i8 addrspace(1)* %ptr) gc "statepoint-example" {
88 ; CHECK-LABEL: @test_decl_only_noalias(
90 ; No change here, but the prototype of some_function_ret_noalias should have changed.
91 ; CHECK: call i8 addrspace(1)* @some_function_ret_noalias()
92 %a = call i8 addrspace(1)* @some_function_ret_noalias()
93 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
94 ret i8 addrspace(1)* %a
97 define i8 addrspace(1)* @test_callsite_arg_noalias(i8 addrspace(1)* %ptr) gc "statepoint-example" {
98 ; CHECK-LABEL: @test_callsite_arg_noalias(
100 ; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr)
101 call void @some_function_consumer(i8 addrspace(1)* noalias %ptr)
102 call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
103 ret i8 addrspace(1)* %ptr
106 declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
108 !0 = !{!1, !1, i64 0, i64 1}
112 ; CHECK: !0 = !{!1, !1, i64 0}
113 ; CHECK: !1 = !{!"red", !2}
114 ; CHECK: !2 = !{!"blue"}