| ; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s |
| |
| ; CHECK: derived %merged_value base %base_phi |
| |
| declare void @site_for_call_safpeoint() |
| |
| define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x, i1 %runtime_condition_y) gc "statepoint-example" { |
| entry: |
| br i1 %runtime_condition_x, label %here, label %there |
| |
| here: |
| br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b |
| |
| bump_here_a: |
| %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1 |
| br label %merge_here |
| |
| bump_here_b: |
| %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 2 |
| br label %merge_here |
| |
| |
| merge_here: |
| %x = phi i64 addrspace(1)* [ %x_a , %bump_here_a ], [ %x_b , %bump_here_b ] |
| br label %merge |
| |
| there: |
| %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1 |
| br label %merge |
| |
| merge: |
| ; CHECK: merge: |
| ; CHECK: %base_phi = phi i64 addrspace(1)* [ %base_obj_x, %merge_here ], [ %base_obj_y, %there ] |
| ; CHECK-NEXT: %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ] |
| %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ] |
| %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) |
| ret i64 addrspace(1)* %merged_value |
| } |
| |
| declare void @do_safepoint() |
| declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) |
