| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s |
| |
| declare void @foo() |
| |
| declare ptr addrspace(1) @generate_obj() |
| |
| declare void @consume_obj(ptr addrspace(1)) |
| |
| ; derived %obj_to_consume base %obj_to_consume.base |
| define void @test(i32 %condition) gc "statepoint-example" { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(ptr addrspace(1) ()) @generate_obj, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = call ptr addrspace(1) @llvm.experimental.gc.result.p1(token [[STATEPOINT_TOKEN]]) |
| ; CHECK-NEXT: switch i32 [[CONDITION:%.*]], label [[DEST_A:%.*]] [ |
| ; CHECK-NEXT: i32 0, label [[DEST_B:%.*]] |
| ; CHECK-NEXT: i32 1, label [[DEST_C:%.*]] |
| ; CHECK-NEXT: ] |
| ; CHECK: dest_a: |
| ; CHECK-NEXT: br label [[MERGE:%.*]] |
| ; CHECK: dest_b: |
| ; CHECK-NEXT: br label [[MERGE]] |
| ; CHECK: dest_c: |
| ; CHECK-NEXT: br label [[MERGE]] |
| ; CHECK: merge: |
| ; CHECK-NEXT: [[OBJ_TO_CONSUME:%.*]] = phi ptr addrspace(1) [ [[TMP0]], [[DEST_A]] ], [ null, [[DEST_B]] ], [ null, [[DEST_C]] ] |
| ; CHECK-NEXT: [[STATEPOINT_TOKEN1:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void (ptr addrspace(1))) @consume_obj, i32 1, i32 0, ptr addrspace(1) [[OBJ_TO_CONSUME]], i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(ptr addrspace(1) [[OBJ_TO_CONSUME]]) ] |
| ; CHECK-NEXT: [[OBJ_TO_CONSUME_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN1]], i32 0, i32 0) |
| ; CHECK-NEXT: br label [[MERGE_SPLIT:%.*]] |
| ; CHECK: merge.split: |
| ; CHECK-NEXT: [[STATEPOINT_TOKEN2:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] |
| ; CHECK-NEXT: br label [[LOOP]] |
| ; |
| entry: |
| br label %loop |
| |
| loop: ; preds = %merge.split, %entry |
| %0 = call ptr addrspace(1) @generate_obj() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] |
| switch i32 %condition, label %dest_a [ |
| i32 0, label %dest_b |
| i32 1, label %dest_c |
| ] |
| |
| dest_a: ; preds = %loop |
| br label %merge |
| |
| dest_b: ; preds = %loop |
| br label %merge |
| |
| dest_c: ; preds = %loop |
| br label %merge |
| |
| merge: ; preds = %dest_c, %dest_b, %dest_a |
| %obj_to_consume = phi ptr addrspace(1) [ %0, %dest_a ], [ null, %dest_b ], [ null, %dest_c ] |
| call void @consume_obj(ptr addrspace(1) %obj_to_consume) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] |
| br label %merge.split |
| |
| merge.split: ; preds = %merge |
| call void @foo() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] |
| br label %loop |
| } |