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1// WebAssemblyRegisterInfo.h - WebAssembly Register Information Impl -*- 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-exception6//7//===----------------------------------------------------------------------===//8///9/// \file10/// This file contains the WebAssembly implementation of the11/// WebAssemblyRegisterInfo class.12///13//===----------------------------------------------------------------------===//14 15#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H16#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H17 18#define GET_REGINFO_HEADER19#include "WebAssemblyGenRegisterInfo.inc"20 21namespace llvm {22 23class MachineFunction;24class RegScavenger;25class TargetRegisterClass;26class Triple;27 28class WebAssemblyRegisterInfo final : public WebAssemblyGenRegisterInfo {29 const Triple &TT;30 31public:32 explicit WebAssemblyRegisterInfo(const Triple &TT);33 34 // Code Generation virtual methods.35 const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;36 BitVector getReservedRegs(const MachineFunction &MF) const override;37 bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,38 unsigned FIOperandNum,39 RegScavenger *RS = nullptr) const override;40 41 // Debug information queries.42 Register getFrameRegister(const MachineFunction &MF) const override;43 44 const TargetRegisterClass *45 getPointerRegClass(unsigned Kind = 0) const override;46 // This does not apply to wasm.47 const uint32_t *getNoPreservedMask() const override { return nullptr; }48};49 50} // end namespace llvm51 52#endif53