| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #pragma once |
| |
| #if ENABLE(DFG_JIT) |
| |
| namespace JSC { namespace DFG { |
| |
| class Graph; |
| |
| // Inserts store barriers in a block-local manner without consulting the abstract interpreter. |
| // Uses a simple epoch-based analysis to avoid inserting barriers on newly allocated objects. This |
| // phase requires that we are not in SSA. |
| bool performFastStoreBarrierInsertion(Graph&); |
| |
| // Inserts store barriers using a global analysis and consults the abstract interpreter. Uses a |
| // simple epoch-based analysis to avoid inserting barriers on newly allocated objects. This phase |
| // requires SSA. This phase also requires having valid AI and liveness. |
| bool performGlobalStoreBarrierInsertion(Graph&); |
| |
| } } // namespace JSC::DFG |
| |
| #endif // ENABLE(DFG_JIT) |
