BreakFalseDeps.h

Go to the documentation of this file.

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file contains the declaration of the BreakFalseDepsPass class, used to
/// identify and avoid false dependencies which cause unnecessary stalls.
///
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CODEGEN_BREAKFALSEDEPS_H
#define LLVM_CODEGEN_BREAKFALSEDEPS_H
 
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionAnalysisManager.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Support/Compiler.h"
 
namespace llvm {
 
class BreakFalseDepsPass : public PassInfoMixin<BreakFalseDepsPass> {
public:
  LLVM_ABI PreservedAnalyses run(MachineFunction &MF,
                                 MachineFunctionAnalysisManager &MFAM);
 
  MachineFunctionProperties getRequiredProperties() const {
    return MachineFunctionProperties().setNoVRegs();
  }
};
 
} // namespace llvm
 
#endif // LLVM_CODEGEN_BREAKFALSEDEPS_H