1 //===- RegAllocCommon.h - Utilities shared between allocators ---*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_CODEGEN_REGALLOCCOMMON_H 10 #define LLVM_CODEGEN_REGALLOCCOMMON_H 11 12 #include "llvm/CodeGen/Register.h" 13 #include <functional> 14 15 namespace llvm { 16 17 class TargetRegisterClass; 18 class TargetRegisterInfo; 19 class MachineRegisterInfo; 20 21 /// Filter function for register classes during regalloc. Default register class 22 /// filter is nullptr, where all registers should be allocated. 23 typedef std::function<bool(const TargetRegisterInfo &TRI, 24 const MachineRegisterInfo &MRI, const Register Reg)> 25 RegAllocFilterFunc; 26 } 27 28 #endif // LLVM_CODEGEN_REGALLOCCOMMON_H 29