1; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
2
3; CHECK: derived %merged_value base %merged_value.base
4
5declare void @site_for_call_safpeoint()
6
7define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x,
8   i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x,
9   i1 %runtime_condition_y) gc "statepoint-example" {
10entry:
11  br i1 %runtime_condition_x, label %here, label %there
12
13here:
14 br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b
15
16bump_here_a:
17  %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
18  br label %merge_here
19
20bump_here_b:
21  %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 2
22  br label %merge_here
23
24
25merge_here:
26; CHECK: merge_here:
27; CHECK-DAG: %x.base
28; CHECK-DAG: phi i64 addrspace(1)*
29; CHECK-DAG: [ %base_obj_x, %bump_here_a ]
30; CHECK-DAG: [ %base_obj_y, %bump_here_b ]
31  %x = phi i64 addrspace(1)* [ %x_a , %bump_here_a ], [ %x_b , %bump_here_b ]
32  br label %merge
33
34there:
35  %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
36  br label %merge
37
38merge:
39; CHECK: merge:
40; CHECK-DAG:  %merged_value.base
41; CHECK-DAG: phi i64 addrspace(1)*
42; CHECK-DAG: %merge_here
43; CHECK-DAG: [ %base_obj_y, %there ]
44; CHECK:  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
45  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
46
47  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
48  ret i64 addrspace(1)* %merged_value
49}
50
51declare void @do_safepoint()
52declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
53