1 //===-- SPIRVRegisterInfo.h - SPIR-V Register Information -------*- 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 // This file contains the SPIR-V implementation of the TargetRegisterInfo class.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H
14 #define LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H
15 
16 #include "llvm/CodeGen/TargetRegisterInfo.h"
17 
18 #define GET_REGINFO_HEADER
19 #include "SPIRVGenRegisterInfo.inc"
20 
21 namespace llvm {
22 
23 struct SPIRVRegisterInfo : public SPIRVGenRegisterInfo {
24   SPIRVRegisterInfo();
25   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
26   BitVector getReservedRegs(const MachineFunction &MF) const override;
27   bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
28                            unsigned FIOperandNum,
29                            RegScavenger *RS = nullptr) const override {
30     return false;
31   }
getFrameRegisterSPIRVRegisterInfo32   Register getFrameRegister(const MachineFunction &MF) const override {
33     return 0;
34   }
35 };
36 } // namespace llvm
37 
38 #endif // LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H
39