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. |
24 | static inline bool allocateAllRegClasses(const TargetRegisterInfo &, |
25 | const TargetRegisterClass &) { |
26 | return true; |
27 | } |
28 | |
29 | } |
30 | |
31 | #endif // LLVM_CODEGEN_REGALLOCCOMMON_H |
32 | |