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0001 //===- RegAllocCommon.h - Utilities shared between allocators ---*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 
0009 #ifndef LLVM_CODEGEN_REGALLOCCOMMON_H
0010 #define LLVM_CODEGEN_REGALLOCCOMMON_H
0011 
0012 #include "llvm/CodeGen/Register.h"
0013 #include <functional>
0014 
0015 namespace llvm {
0016 
0017 class TargetRegisterClass;
0018 class TargetRegisterInfo;
0019 class MachineRegisterInfo;
0020 
0021 /// Filter function for register classes during regalloc. Default register class
0022 /// filter is nullptr, where all registers should be allocated.
0023 typedef std::function<bool(const TargetRegisterInfo &TRI,
0024                            const MachineRegisterInfo &MRI, const Register Reg)>
0025     RegAllocFilterFunc;
0026 }
0027 
0028 #endif // LLVM_CODEGEN_REGALLOCCOMMON_H