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 <functional>
13 
14 namespace llvm {
15 
16 class TargetRegisterClass;
17 class TargetRegisterInfo;
18 
19 typedef std::function<bool(const TargetRegisterInfo &TRI,
20                            const TargetRegisterClass &RC)> RegClassFilterFunc;
21 
22 /// Default register class filter function for register allocation. All virtual
23 /// registers should be allocated.
allocateAllRegClasses(const TargetRegisterInfo &,const TargetRegisterClass &)24 static inline bool allocateAllRegClasses(const TargetRegisterInfo &,
25                                          const TargetRegisterClass &) {
26   return true;
27 }
28 
29 }
30 
31 #endif // LLVM_CODEGEN_REGALLOCCOMMON_H
32