make asmprinter optional, even though passing in null will cause things to explode right now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108955 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-07-20 22:45:33 +00:00
parent 98cfb53af4
commit 6e8154354f
2 changed files with 14 additions and 13 deletions

View File

@ -28,11 +28,10 @@
#include "llvm/Type.h"
using namespace llvm;
X86MCInstLower::X86MCInstLower(MCContext &ctx, Mangler *mang,
const MachineFunction &mf,
X86AsmPrinter &asmprinter)
: Ctx(ctx), Mang(mang), MF(mf), TM(mf.getTarget()), MAI(*TM.getMCAsmInfo()),
AsmPrinter(asmprinter) {}
X86MCInstLower::X86MCInstLower(Mangler *mang, const MachineFunction &mf,
X86AsmPrinter *asmprinter)
: Ctx(mf.getContext()), Mang(mang), MF(mf), TM(mf.getTarget()),
MAI(*TM.getMCAsmInfo()), AsmPrinter(asmprinter) {}
MachineModuleInfoMachO &X86MCInstLower::getMachOMMI() const {
return MF.getMMI().getObjFileInfo<MachineModuleInfoMachO>();
@ -182,7 +181,7 @@ MCOperand X86MCInstLower::LowerSymbolOperand(const MachineOperand &MO,
// local labels. This is only safe when the symbols are in the same
// section so we are restricting it to jumptable references.
MCSymbol *Label = Ctx.CreateTempSymbol();
AsmPrinter.OutStreamer.EmitAssignment(Label, Expr);
AsmPrinter->OutStreamer.EmitAssignment(Label, Expr);
Expr = MCSymbolRefExpr::Create(Label, Ctx);
}
break;
@ -327,14 +326,14 @@ void X86MCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
MCOp = LowerSymbolOperand(MO, GetSymbolFromOperand(MO));
break;
case MachineOperand::MO_JumpTableIndex:
MCOp = LowerSymbolOperand(MO, AsmPrinter.GetJTISymbol(MO.getIndex()));
MCOp = LowerSymbolOperand(MO, AsmPrinter->GetJTISymbol(MO.getIndex()));
break;
case MachineOperand::MO_ConstantPoolIndex:
MCOp = LowerSymbolOperand(MO, AsmPrinter.GetCPISymbol(MO.getIndex()));
MCOp = LowerSymbolOperand(MO, AsmPrinter->GetCPISymbol(MO.getIndex()));
break;
case MachineOperand::MO_BlockAddress:
MCOp = LowerSymbolOperand(MO,
AsmPrinter.GetBlockAddressSymbol(MO.getBlockAddress()));
AsmPrinter->GetBlockAddressSymbol(MO.getBlockAddress()));
break;
}
@ -505,7 +504,7 @@ void X86MCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
X86MCInstLower MCInstLowering(OutContext, Mang, *MF, *this);
X86MCInstLower MCInstLowering(Mang, *MF, this);
switch (MI->getOpcode()) {
case TargetOpcode::DBG_VALUE:
if (isVerbose() && OutStreamer.hasRawTextSupport()) {

View File

@ -34,10 +34,12 @@ class LLVM_LIBRARY_VISIBILITY X86MCInstLower {
const TargetMachine &TM;
const MCAsmInfo &MAI;
X86AsmPrinter &AsmPrinter;
/// AsmPrinter - This is the asmprinter when emission is actually happening,
/// or null if an instruction is being lowered for some other reason.
X86AsmPrinter *AsmPrinter;
public:
X86MCInstLower(MCContext &ctx, Mangler *mang, const MachineFunction &MF,
X86AsmPrinter &asmprinter);
X86MCInstLower(Mangler *mang, const MachineFunction &MF,
X86AsmPrinter *asmprinter);
void Lower(const MachineInstr *MI, MCInst &OutMI) const;