| 1 | //===-- SPIRVRegisterInfo.cpp - 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 | #include "SPIRVRegisterInfo.h" |
| 14 | #include "SPIRV.h" |
| 15 | #include "SPIRVSubtarget.h" |
| 16 | #include "llvm/CodeGen/MachineFunction.h" |
| 17 | |
| 18 | #define GET_REGINFO_TARGET_DESC |
| 19 | #include "SPIRVGenRegisterInfo.inc" |
| 20 | using namespace llvm; |
| 21 | |
| 22 | SPIRVRegisterInfo::SPIRVRegisterInfo() : SPIRVGenRegisterInfo(SPIRV::ID0) {} |
| 23 | |
| 24 | BitVector SPIRVRegisterInfo::getReservedRegs(const MachineFunction &MF) const { |
| 25 | return BitVector(getNumRegs()); |
| 26 | } |
| 27 | |
| 28 | const MCPhysReg * |
| 29 | SPIRVRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { |
| 30 | static const MCPhysReg CalleeSavedReg = {0}; |
| 31 | return &CalleeSavedReg; |
| 32 | } |
| 33 |