pass_wbarrier.go

/*
 * Copyright 2022 ByteDance Inc.
 *
 * Licensed 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.
 */

package ssa

// WriteBarrier inserts memory write barrier for pointer stores.
type WriteBarrier struct{}

func (WriteBarrier) insert(cfg *CFG) {
    cfg.ReversePostOrder(func(bb *BasicBlock) {

    })
}

func (self WriteBarrier) Apply(cfg *CFG) {
    self.insert(cfg)
    cfg.Rebuild()
}