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()
9 define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* dereferenceable(4) %a) gc "statepoint-example" {
10 ; CHECK: define i8 addrspace(1)* @test_deref_arg(i8 addrspace(1)* %a)
12 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)
13 ret i8 addrspace(1)* %a
16 define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* dereferenceable_or_null(4) %a) gc "statepoint-example" {
17 ; CHECK: define i8 addrspace(1)* @test_deref_or_null_arg(i8 addrspace(1)* %a)
19 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)
20 ret i8 addrspace(1)* %a
23 define i8 addrspace(1)* @test_deref_retval() gc "statepoint-example" {
24 ; CHECK-LABEL: @test_deref_retval(
26 %a = call dereferenceable(4) i8 addrspace(1)* @some_function()
27 ; CHECK: %a = call i8 addrspace(1)* @some_function()
28 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)
29 ret i8 addrspace(1)* %a
32 define i8 addrspace(1)* @test_deref_or_null_retval() gc "statepoint-example" {
33 ; CHECK-LABEL: @test_deref_or_null_retval(
35 %a = call dereferenceable_or_null(4) i8 addrspace(1)* @some_function()
36 ; CHECK: %a = call i8 addrspace(1)* @some_function()
37 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)
38 ret i8 addrspace(1)* %a
41 define i8 @test_md(i8 addrspace(1)* %ptr) gc "statepoint-example" {
42 ; CHECK-LABEL: @test_md(
44 ; CHECK: %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
45 %tmp = load i8, i8 addrspace(1)* %ptr, !tbaa !0
46 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)
50 define i8 addrspace(1)* @test_decl_only_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
51 ; CHECK-LABEL: @test_decl_only_attribute(
53 ; No change here, but the prototype of some_function_ret_deref should have changed.
54 ; CHECK: call i8 addrspace(1)* @some_function_ret_deref()
55 %a = call i8 addrspace(1)* @some_function_ret_deref()
56 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)
57 ret i8 addrspace(1)* %a
60 define i8 addrspace(1)* @test_callsite_arg_attribute(i8 addrspace(1)* %ptr) gc "statepoint-example" {
61 ; CHECK-LABEL: @test_callsite_arg_attribute(
63 ; CHECK: call void @some_function_consumer(i8 addrspace(1)* %ptr)
64 call void @some_function_consumer(i8 addrspace(1)* dereferenceable(4) %ptr)
65 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)
66 ret i8 addrspace(1)* %ptr
69 declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
71 !0 = !{!1, !1, i64 0, i64 1}
75 ; CHECK: !0 = !{!1, !1, i64 0}
76 ; CHECK: !1 = !{!"red", !2}
77 ; CHECK: !2 = !{!"blue"}