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)
9 declare i8 addrspace(1)* @some_function() "gc-leaf-function"
11 declare void @some_function_consumer(i8 addrspace(1)*) "gc-leaf-function"
13 declare dereferenceable(4) i8 addrspace(1)* @some_function_ret_deref() "gc-leaf-function"
15 define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* dereferenceable(4) %a) gc "statepoint-example" {
17 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
18 ret i8 addrspace(1)* %a
21 define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* dereferenceable_or_null(4) %a) gc "statepoint-example" {
23 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
24 ret i8 addrspace(1)* %a
27 define i8 addrspace(1)* @test_deref_retval() gc "statepoint-example" {
28 ; CHECK-LABEL: @test_deref_retval(
29 ; CHECK: %a = call i8 addrspace(1)* @some_function()
31 %a = call dereferenceable(4) i8 addrspace(1)* @some_function()
32 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
33 ret i8 addrspace(1)* %a
36 define i8 addrspace(1)* @test_deref_or_null_retval() gc "statepoint-example" {
37 ; CHECK-LABEL: @test_deref_or_null_retval(
38 ; CHECK: %a = call i8 addrspace(1)* @some_function()
40 %a = call dereferenceable_or_null(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
45 define i8 @test_md(i8 addrspace(1)* %ptr) gc "statepoint-example" {
46 ; CHECK-LABEL: @test_md(
47 ; CHECK: %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
49 %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
50 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
54 define i8 addrspace(1)* @test_decl_only_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
55 ; CHECK-LABEL: @test_decl_only_attribute(
56 ; No change here, but the prototype of some_function_ret_deref should have changed.
57 ; CHECK: call i8 addrspace(1)* @some_function_ret_deref()
59 %a = call i8 addrspace(1)* @some_function_ret_deref()
60 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
61 ret i8 addrspace(1)* %a
64 define i8 addrspace(1)* @test_callsite_arg_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
65 ; CHECK-LABEL: @test_callsite_arg_attribute(
66 ; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr)
67 ; CHECK: !0 = !{!1, !1, i64 0}
68 ; CHECK: !1 = !{!"red", !2}
69 ; CHECK: !2 = !{!"blue"}
71 call void @some_function_consumer(i8 addrspace(1)* dereferenceable(4) %ptr)
72 call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
73 ret i8 addrspace(1)* %ptr
75 !0 = !{!1, !1, i64 0, i64 1}