1 ; RUN: opt -S -rewrite-statepoints-for-gc -rs4gc-use-deopt-bundles < %s | FileCheck %s
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)
10 declare i8 addrspace(1)* @some_function() "gc-leaf-function"
12 declare void @some_function_consumer(i8 addrspace(1)*) "gc-leaf-function"
14 declare dereferenceable(4) i8 addrspace(1)* @some_function_ret_deref() "gc-leaf-function"
15 declare noalias i8 addrspace(1)* @some_function_ret_noalias() "gc-leaf-function"
17 define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* dereferenceable(4) %a) gc "statepoint-example" {
19 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
20 ret i8 addrspace(1)* %a
23 define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* dereferenceable_or_null(4) %a) gc "statepoint-example" {
25 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
26 ret i8 addrspace(1)* %a
29 define i8 addrspace(1)* @test_noalias_arg(i8 addrspace(1)* noalias %a) gc "statepoint-example" {
31 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
32 ret i8 addrspace(1)* %a
35 define i8 addrspace(1)* @test_deref_retval() gc "statepoint-example" {
36 ; CHECK-LABEL: @test_deref_retval(
37 ; CHECK: %a = call i8 addrspace(1)* @some_function()
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
44 define 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()
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
53 define i8 addrspace(1)* @test_noalias_retval() gc "statepoint-example" {
54 ; CHECK-LABEL: @test_noalias_retval(
55 ; CHECK: %a = call i8 addrspace(1)* @some_function()
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
62 define 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
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) ]
71 define 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()
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
81 define 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()
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
91 define 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"}
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
102 !0 = !{!1, !1, i64 0, i64 1}