MachineDominanceFrontier.h

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//===- llvm/CodeGen/MachineDominanceFrontier.h ------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CODEGEN_MACHINEDOMINANCEFRONTIER_H
#define LLVM_CODEGEN_MACHINEDOMINANCEFRONTIER_H
 
#include "llvm/Analysis/DominanceFrontier.h"
#include "llvm/Analysis/DominanceFrontierImpl.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/Support/GenericDomTree.h"
 
namespace llvm {
 
class MachineDominanceFrontier : public MachineFunctionPass {
  ForwardDominanceFrontierBase<MachineBasicBlock> Base;
 
public:
 using DomTreeT = DomTreeBase<MachineBasicBlock>;
 using DomTreeNodeT = DomTreeNodeBase<MachineBasicBlock>;
 using DomSetType = DominanceFrontierBase<MachineBasicBlock, false>::DomSetType;
 using iterator = DominanceFrontierBase<MachineBasicBlock, false>::iterator;
 using const_iterator =
     DominanceFrontierBase<MachineBasicBlock, false>::const_iterator;
 
 MachineDominanceFrontier(const MachineDominanceFrontier &) = delete;
 MachineDominanceFrontier &operator=(const MachineDominanceFrontier &) = delete;
 
 static char ID;
 
 MachineDominanceFrontier();
 
 ForwardDominanceFrontierBase<MachineBasicBlock> &getBase() { return Base; }
 
 const SmallVectorImpl<MachineBasicBlock *> &getRoots() const {
   return Base.getRoots();
  }
 
  MachineBasicBlock *getRoot() const {
    return Base.getRoot();
  }
 
  bool isPostDominator() const {
    return Base.isPostDominator();
  }
 
  iterator begin() {
    return Base.begin();
  }
 
  const_iterator begin() const {
    return Base.begin();
  }
 
  iterator end() {
    return Base.end();
  }
 
  const_iterator end() const {
    return Base.end();
  }
 
  iterator find(MachineBasicBlock *B) {
    return Base.find(B);
  }
 
  const_iterator find(MachineBasicBlock *B) const {
    return Base.find(B);
  }
 
  bool runOnMachineFunction(MachineFunction &F) override;
 
  void releaseMemory() override;
 
  void getAnalysisUsage(AnalysisUsage &AU) const override;
};
 
} // end namespace llvm
 
#endif // LLVM_CODEGEN_MACHINEDOMINANCEFRONTIER_H