1 //===- RegAllocCommon.h - Utilities shared between allocators ---*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_CODEGEN_REGALLOCCOMMON_H 11 #define LLVM_CODEGEN_REGALLOCCOMMON_H 12 13 #include <functional> 14 15 namespace llvm { 16 17 class TargetRegisterClass; 18 class TargetRegisterInfo; 19 20 typedef std::function<bool(const TargetRegisterInfo &TRI, 21 const TargetRegisterClass &RC)> RegClassFilterFunc; 22 23 /// Default register class filter function for register allocation. All virtual 24 /// registers should be allocated. 25 static inline bool allocateAllRegClasses(const TargetRegisterInfo &, 26 const TargetRegisterClass &) { 27 return true; 28 } 29 30 } 31 32 #endif // LLVM_CODEGEN_REGALLOCCOMMON_H 33