diff options
Diffstat (limited to 'contrib/llvm/lib/Target/ARM/AsmPrinter/ARMMCInstLower.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/ARM/AsmPrinter/ARMMCInstLower.cpp | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/contrib/llvm/lib/Target/ARM/AsmPrinter/ARMMCInstLower.cpp b/contrib/llvm/lib/Target/ARM/AsmPrinter/ARMMCInstLower.cpp deleted file mode 100644 index ab2b06b..0000000 --- a/contrib/llvm/lib/Target/ARM/AsmPrinter/ARMMCInstLower.cpp +++ /dev/null @@ -1,162 +0,0 @@ -//===-- ARMMCInstLower.cpp - Convert ARM MachineInstr to an MCInst --------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file contains code to lower ARM MachineInstrs to their corresponding -// MCInst records. -// -//===----------------------------------------------------------------------===// - -#include "ARMMCInstLower.h" -//#include "llvm/CodeGen/MachineModuleInfoImpls.h" -#include "llvm/CodeGen/AsmPrinter.h" -#include "llvm/CodeGen/MachineBasicBlock.h" -#include "llvm/MC/MCAsmInfo.h" -#include "llvm/MC/MCContext.h" -#include "llvm/MC/MCExpr.h" -#include "llvm/MC/MCInst.h" -//#include "llvm/MC/MCStreamer.h" -#include "llvm/Target/Mangler.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/ADT/SmallString.h" -using namespace llvm; - - -#if 0 -const ARMSubtarget &ARMMCInstLower::getSubtarget() const { - return AsmPrinter.getSubtarget(); -} - -MachineModuleInfoMachO &ARMMCInstLower::getMachOMMI() const { - assert(getSubtarget().isTargetDarwin() &&"Can only get MachO info on darwin"); - return AsmPrinter.MMI->getObjFileInfo<MachineModuleInfoMachO>(); -} -#endif - -MCSymbol *ARMMCInstLower:: -GetGlobalAddressSymbol(const MachineOperand &MO) const { - // FIXME: HANDLE PLT references how?? - switch (MO.getTargetFlags()) { - default: assert(0 && "Unknown target flag on GV operand"); - case 0: break; - } - - return Printer.Mang->getSymbol(MO.getGlobal()); -} - -MCSymbol *ARMMCInstLower:: -GetExternalSymbolSymbol(const MachineOperand &MO) const { - // FIXME: HANDLE PLT references how?? - switch (MO.getTargetFlags()) { - default: assert(0 && "Unknown target flag on GV operand"); - case 0: break; - } - - return Printer.GetExternalSymbolSymbol(MO.getSymbolName()); -} - - - -MCSymbol *ARMMCInstLower:: -GetJumpTableSymbol(const MachineOperand &MO) const { - SmallString<256> Name; - raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "JTI" - << Printer.getFunctionNumber() << '_' << MO.getIndex(); - -#if 0 - switch (MO.getTargetFlags()) { - default: llvm_unreachable("Unknown target flag on GV operand"); - } -#endif - - // Create a symbol for the name. - return Ctx.GetOrCreateSymbol(Name.str()); -} - -MCSymbol *ARMMCInstLower:: -GetConstantPoolIndexSymbol(const MachineOperand &MO) const { - SmallString<256> Name; - raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "CPI" - << Printer.getFunctionNumber() << '_' << MO.getIndex(); - -#if 0 - switch (MO.getTargetFlags()) { - default: llvm_unreachable("Unknown target flag on GV operand"); - } -#endif - - // Create a symbol for the name. - return Ctx.GetOrCreateSymbol(Name.str()); -} - -MCOperand ARMMCInstLower:: -LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const { - // FIXME: We would like an efficient form for this, so we don't have to do a - // lot of extra uniquing. - const MCExpr *Expr = MCSymbolRefExpr::Create(Sym, Ctx); - -#if 0 - switch (MO.getTargetFlags()) { - default: llvm_unreachable("Unknown target flag on GV operand"); - } -#endif - - if (!MO.isJTI() && MO.getOffset()) - Expr = MCBinaryExpr::CreateAdd(Expr, - MCConstantExpr::Create(MO.getOffset(), Ctx), - Ctx); - return MCOperand::CreateExpr(Expr); -} - - -void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const { - OutMI.setOpcode(MI->getOpcode()); - - for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) { - const MachineOperand &MO = MI->getOperand(i); - - MCOperand MCOp; - switch (MO.getType()) { - default: - MI->dump(); - assert(0 && "unknown operand type"); - case MachineOperand::MO_Register: - // Ignore all implicit register operands. - if (MO.isImplicit()) continue; - assert(!MO.getSubReg() && "Subregs should be eliminated!"); - MCOp = MCOperand::CreateReg(MO.getReg()); - break; - case MachineOperand::MO_Immediate: - MCOp = MCOperand::CreateImm(MO.getImm()); - break; - case MachineOperand::MO_MachineBasicBlock: - MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create( - MO.getMBB()->getSymbol(), Ctx)); - break; - case MachineOperand::MO_GlobalAddress: - MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO)); - break; - case MachineOperand::MO_ExternalSymbol: - MCOp = LowerSymbolOperand(MO, GetExternalSymbolSymbol(MO)); - break; - case MachineOperand::MO_JumpTableIndex: - MCOp = LowerSymbolOperand(MO, GetJumpTableSymbol(MO)); - break; - case MachineOperand::MO_ConstantPoolIndex: - MCOp = LowerSymbolOperand(MO, GetConstantPoolIndexSymbol(MO)); - break; - case MachineOperand::MO_BlockAddress: - MCOp = LowerSymbolOperand(MO, Printer.GetBlockAddressSymbol( - MO.getBlockAddress())); - break; - } - - OutMI.addOperand(MCOp); - } - -} |