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https://github.com/c64scene-ar/llvm-6502.git
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82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
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//===-- ARMMCInstLower.cpp - Convert ARM MachineInstr to an MCInst --------===//
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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 code to lower ARM MachineInstrs to their corresponding
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// MCInst records.
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//
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//===----------------------------------------------------------------------===//
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#include "ARMMCInstLower.h"
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//#include "ARMMCAsmInfo.h"
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//#include "llvm/CodeGen/MachineModuleInfoImpls.h"
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#include "llvm/CodeGen/MachineInstr.h"
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//#include "llvm/MC/MCContext.h"
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//#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCInst.h"
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//#include "llvm/MC/MCStreamer.h"
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//#include "llvm/Support/FormattedStream.h"
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//#include "llvm/Support/Mangler.h"
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//#include "llvm/ADT/SmallString.h"
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using namespace llvm;
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#if 0
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const ARMSubtarget &ARMMCInstLower::getSubtarget() const {
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return AsmPrinter.getSubtarget();
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}
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MachineModuleInfoMachO &ARMMCInstLower::getMachOMMI() const {
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assert(getSubtarget().isTargetDarwin() &&"Can only get MachO info on darwin");
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return AsmPrinter.MMI->getObjFileInfo<MachineModuleInfoMachO>();
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}
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#endif
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void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
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OutMI.setOpcode(MI->getOpcode());
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for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
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const MachineOperand &MO = MI->getOperand(i);
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MCOperand MCOp;
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switch (MO.getType()) {
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default:
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MI->dump();
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assert(0 && "unknown operand type");
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case MachineOperand::MO_Register:
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MCOp = MCOperand::CreateReg(MO.getReg());
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break;
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case MachineOperand::MO_Immediate:
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MCOp = MCOperand::CreateImm(MO.getImm());
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break;
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#if 0
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case MachineOperand::MO_MachineBasicBlock:
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MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
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AsmPrinter.GetMBBSymbol(MO.getMBB()->getNumber()), Ctx));
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break;
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case MachineOperand::MO_GlobalAddress:
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MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));
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break;
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case MachineOperand::MO_ExternalSymbol:
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MCOp = LowerSymbolOperand(MO, GetExternalSymbolSymbol(MO));
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break;
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case MachineOperand::MO_JumpTableIndex:
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MCOp = LowerSymbolOperand(MO, GetJumpTableSymbol(MO));
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break;
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case MachineOperand::MO_ConstantPoolIndex:
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MCOp = LowerSymbolOperand(MO, GetConstantPoolIndexSymbol(MO));
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break;
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#endif
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}
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OutMI.addOperand(MCOp);
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}
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}
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