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https://github.com/c64scene-ar/llvm-6502.git
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55ad1f22b4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74385 91177308-0d34-0410-b5e6-96231b3b80d8
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
//===- ThumbRegisterInfo.h - Thumb 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 ARM implementation of the TargetRegisterInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef THUMBREGISTERINFO_H
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#define THUMBREGISTERINFO_H
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#include "ARM.h"
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#include "ARMRegisterInfo.h"
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#include "llvm/Target/TargetRegisterInfo.h"
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namespace llvm {
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class ARMSubtarget;
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class TargetInstrInfo;
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class Type;
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struct ThumbRegisterInfo : public ARMBaseRegisterInfo {
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public:
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ThumbRegisterInfo(const TargetInstrInfo &tii, const ARMSubtarget &STI);
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/// emitLoadConstPool - Emits a load from constpool to materialize the
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/// specified immediate.
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void emitLoadConstPool(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator &MBBI,
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unsigned DestReg, int Val,
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const TargetInstrInfo *TII,
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DebugLoc dl) const;
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/// Code Generation virtual methods...
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const TargetRegisterClass *
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getPhysicalRegisterRegClass(unsigned Reg, MVT VT = MVT::Other) const;
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bool isReservedReg(const MachineFunction &MF, unsigned Reg) const;
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bool requiresRegisterScavenging(const MachineFunction &MF) const;
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bool hasReservedCallFrame(MachineFunction &MF) const;
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void eliminateCallFramePseudoInstr(MachineFunction &MF,
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MachineBasicBlock &MBB,
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MachineBasicBlock::iterator I) const;
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void eliminateFrameIndex(MachineBasicBlock::iterator II,
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int SPAdj, RegScavenger *RS = NULL) const;
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void emitPrologue(MachineFunction &MF) const;
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void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
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};
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}
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#endif // THUMBREGISTERINFO_H
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