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llvm-6502/lib/Target/ARM64/ARM64MCInstLower.h
Tim Northover 7b837d8c75 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-29 10:18:08 +00:00

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1.5 KiB
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//===-- ARM64MCInstLower.h - Lower MachineInstr to MCInst ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef ARM64_MCINSTLOWER_H
#define ARM64_MCINSTLOWER_H
#include "llvm/ADT/Triple.h"
#include "llvm/Support/Compiler.h"
namespace llvm {
class AsmPrinter;
class MCAsmInfo;
class MCContext;
class MCInst;
class MCOperand;
class MCSymbol;
class MachineInstr;
class MachineModuleInfoMachO;
class MachineOperand;
class Mangler;
/// ARM64MCInstLower - This class is used to lower an MachineInstr
/// into an MCInst.
class LLVM_LIBRARY_VISIBILITY ARM64MCInstLower {
MCContext &Ctx;
AsmPrinter &Printer;
Triple TargetTriple;
public:
ARM64MCInstLower(MCContext &ctx, Mangler &mang, AsmPrinter &printer);
bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp) const;
void Lower(const MachineInstr *MI, MCInst &OutMI) const;
MCOperand lowerSymbolOperandDarwin(const MachineOperand &MO,
MCSymbol *Sym) const;
MCOperand lowerSymbolOperandELF(const MachineOperand &MO,
MCSymbol *Sym) const;
MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
};
}
#endif