llvm-6502/lib/Target/X86/AsmPrinter/X86MCInstLower.h
Chris Lattner d8d2050637 factor MBB label lowering better
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81630 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-12 21:06:08 +00:00

50 lines
1.4 KiB
C++

//===-- X86MCInstLower.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 X86_MCINSTLOWER_H
#define X86_MCINSTLOWER_H
namespace llvm {
class MCContext;
class MCInst;
class MCOperand;
class MCSymbol;
class MachineInstr;
class MachineOperand;
class Mangler;
class X86ATTAsmPrinter;
class X86Subtarget;
/// X86MCInstLower - This class is used to lower an MachineInstr into an MCInst.
class X86MCInstLower {
MCContext &Ctx;
Mangler *Mang;
X86ATTAsmPrinter &AsmPrinter;
const X86Subtarget &getSubtarget() const;
public:
X86MCInstLower(MCContext &ctx, Mangler *mang, X86ATTAsmPrinter &asmprinter)
: Ctx(ctx), Mang(mang), AsmPrinter(asmprinter) {}
void Lower(const MachineInstr *MI, MCInst &OutMI) const;
MCSymbol *GetPICBaseSymbol() const;
MCSymbol *GetMBBSymbol(unsigned MBBID) const;
MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
MCSymbol *GetJumpTableSymbol(const MachineOperand &MO) const;
MCSymbol *GetConstantPoolIndexSymbol(const MachineOperand &MO) const;
MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
};
}
#endif