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// WebAssemblyRegisterInfo.h - WebAssembly Register Information Impl -*- C++ -*-
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file contains the WebAssembly implementation of the
/// WebAssemblyRegisterInfo class.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H
#define GET_REGINFO_HEADER
#include "WebAssemblyGenRegisterInfo.inc"
namespace llvm {
class MachineFunction;
class RegScavenger;
class TargetRegisterClass;
class Triple;
class WebAssemblyRegisterInfo final : public WebAssemblyGenRegisterInfo {
const Triple &TT;
public:
explicit WebAssemblyRegisterInfo(const Triple &TT);
// Code Generation virtual methods.
const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
BitVector getReservedRegs(const MachineFunction &MF) const override;
bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
unsigned FIOperandNum,
RegScavenger *RS = nullptr) const override;
// Debug information queries.
Register getFrameRegister(const MachineFunction &MF) const override;
const TargetRegisterClass *
getPointerRegClass(const MachineFunction &MF,
unsigned Kind = 0) const override;
// This does not apply to wasm.
const uint32_t *getNoPreservedMask() const override { return nullptr; }
};
} // end namespace llvm
#endif
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