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1; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
2
3; CHECK: Base Pairs (w/o Relocation):
4; CHECK-DAG: derived %next base %next.base
5; CHECK-DAG: derived %next_x base %base_obj_x
6; CHECK-DAG: derived %next_y base %base_obj_y
7
8declare i1 @runtime_value()
9declare void @do_safepoint()
10
11define void @select_of_phi(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y) gc "statepoint-example" {
12entry:
13  br label %loop
14
15loop:
16  %current_x = phi i64 addrspace(1)* [ %base_obj_x , %entry ], [ %next_x, %merge ]
17  %current_y = phi i64 addrspace(1)* [ %base_obj_y , %entry ], [ %next_y, %merge ]
18  %current = phi i64 addrspace(1)* [ null , %entry ], [ %next , %merge ]
19
20  %condition = call i1 @runtime_value()
21  %next_x = getelementptr i64, i64 addrspace(1)* %current_x, i32 1
22  %next_y = getelementptr i64, i64 addrspace(1)* %current_y, i32 1
23
24  br i1 %condition, label %true, label %false
25
26true:
27  br label %merge
28
29false:
30  br label %merge
31
32merge:
33  %next = phi i64 addrspace(1)* [ %next_x, %true ], [ %next_y, %false ]
34  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
35  br label %loop
36}
37
38declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
39