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198ab640bb
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5052 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
//===- X86RegisterInfo.h - X86 Register Information Impl ----------*-C++-*-===//
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//
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// This file contains the X86 implementation of the MRegisterInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef X86REGISTERINFO_H
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#define X86REGISTERINFO_H
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#include "llvm/Target/MRegisterInfo.h"
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class Type;
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struct X86RegisterInfo : public MRegisterInfo {
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X86RegisterInfo();
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MRegisterInfo::const_iterator regclass_begin() const;
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MRegisterInfo::const_iterator regclass_end() const;
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MachineBasicBlock::iterator
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storeReg2RegOffset(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned DestReg, unsigned SrcReg,
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unsigned ImmOffset, unsigned dataSize) const;
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MachineBasicBlock::iterator
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loadRegOffset2Reg(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned DestReg, unsigned SrcReg,
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unsigned ImmOffset, unsigned dataSize) const;
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MachineBasicBlock::iterator
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moveReg2Reg(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned DestReg, unsigned SrcReg, unsigned dataSize) const;
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MachineBasicBlock::iterator
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moveImm2Reg(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned DestReg, unsigned Imm, unsigned dataSize) const;
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unsigned getFramePointer() const;
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unsigned getStackPointer() const;
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const unsigned* getCalleeSaveRegs() const;
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const unsigned* getCallerSaveRegs() const;
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void emitPrologue(MachineFunction &MF, unsigned numBytes) const;
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void emitEpilogue(MachineBasicBlock &MBB, unsigned numBytes) const;
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/// Returns register class appropriate for input SSA register
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///
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const TargetRegisterClass *getClassForReg(unsigned Reg) const;
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const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
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unsigned getNumRegClasses() const;
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};
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#endif
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