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0738f328d7
Avoids using a plain unsigned for registers throughoug codegen. Doesn't attempt to change every register use, just something a little more than the set needed to build after changing the return type of MachineOperand::getReg(). llvm-svn: 364191
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
// WebAssemblyRegisterInfo.h - WebAssembly Register Information Impl -*- C++ -*-
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file contains the WebAssembly implementation of the
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/// WebAssemblyRegisterInfo class.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H
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#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H
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#define GET_REGINFO_HEADER
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#include "WebAssemblyGenRegisterInfo.inc"
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namespace llvm {
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class MachineFunction;
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class RegScavenger;
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class TargetRegisterClass;
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class Triple;
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class WebAssemblyRegisterInfo final : public WebAssemblyGenRegisterInfo {
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const Triple &TT;
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public:
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explicit WebAssemblyRegisterInfo(const Triple &TT);
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// Code Generation virtual methods.
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const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
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BitVector getReservedRegs(const MachineFunction &MF) const override;
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void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
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unsigned FIOperandNum,
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RegScavenger *RS = nullptr) const override;
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// Debug information queries.
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Register getFrameRegister(const MachineFunction &MF) const override;
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const TargetRegisterClass *
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getPointerRegClass(const MachineFunction &MF,
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unsigned Kind = 0) const override;
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// This does not apply to wasm.
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const uint32_t *getNoPreservedMask() const override { return nullptr; }
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};
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} // end namespace llvm
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#endif
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