66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
//===- NVPTXRegisterInfo.h - NVPTX Register Information Impl ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the NVPTX implementation of the TargetRegisterInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXREGISTERINFO_H
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#define LLVM_LIB_TARGET_NVPTX_NVPTXREGISTERINFO_H
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#include "ManagedStringPool.h"
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#include "llvm/Target/TargetRegisterInfo.h"
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#include <sstream>
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#define GET_REGINFO_HEADER
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#include "NVPTXGenRegisterInfo.inc"
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namespace llvm {
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class NVPTXRegisterInfo : public NVPTXGenRegisterInfo {
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private:
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// Hold Strings that can be free'd all together with NVPTXRegisterInfo
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ManagedStringPool ManagedStrPool;
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public:
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NVPTXRegisterInfo();
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//------------------------------------------------------
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// Pure virtual functions from TargetRegisterInfo
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//------------------------------------------------------
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// NVPTX callee saved registers
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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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unsigned getFrameRegister(const MachineFunction &MF) const override;
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ManagedStringPool *getStrPool() const {
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return const_cast<ManagedStringPool *>(&ManagedStrPool);
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}
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const char *getName(unsigned RegNo) const {
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std::stringstream O;
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O << "reg" << RegNo;
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return getStrPool()->getManagedString(O.str().c_str())->c_str();
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}
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};
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std::string getNVPTXRegClassName(const TargetRegisterClass *RC);
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std::string getNVPTXRegClassStr(const TargetRegisterClass *RC);
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} // end namespace llvm
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#endif
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