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 8 declare i1 @runtime_value() 9 declare void @do_safepoint() 10 11 define void @select_of_phi(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y) gc "statepoint-example" { 12 entry: 13 br label %loop 14 15 loop: 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 26 true: 27 br label %merge 28 29 false: 30 br label %merge 31 32 merge: 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 38 declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) 39