#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetLowering.h"
return true;
}
-void AsmPrinter::emitPrologLabel(const MachineInstr &MI) {
- MCSymbol *Label = MI.getOperand(0).getMCSymbol();
- if (MAI->getExceptionHandlingType() != ExceptionHandling::DwarfCFI) {
- OutStreamer.EmitLabel(Label);
- return;
- }
-
- const MachineFunction &MF = *MI.getParent()->getParent();
- MachineModuleInfo &MMI = MF.getMMI();
- std::vector<MachineMove> &Moves = MMI.getFrameMoves();
- const MachineMove *Move = NULL;
- for (std::vector<MachineMove>::iterator I = Moves.begin(),
- E = Moves.end(); I != E; ++I) {
- if (I->getLabel() == Label) {
- Move = &*I;
- break;
- }
- }
- assert(Move);
-
- const MachineLocation &Dst = Move->getDestination();
- const MachineLocation &Src = Move->getSource();
- const TargetAsmInfo &AsmInfo = OutContext.getTargetAsmInfo();
- if (Dst.isReg() && Dst.getReg() == MachineLocation::VirtualFP) {
- if (Src.getReg() == MachineLocation::VirtualFP)
- OutStreamer.EmitCFIDefCfaOffset(-Src.getOffset());
- else {
- unsigned Reg = AsmInfo.getDwarfRegNum(Src.getReg(), true);
- OutStreamer.EmitCFIDefCfa(Reg, -Src.getOffset());
- }
- } else if (Src.isReg() && Src.getReg() == MachineLocation::VirtualFP) {
- unsigned Reg = AsmInfo.getDwarfRegNum(Dst.getReg(), true);
- OutStreamer.EmitCFIDefCfaRegister(Reg);
- } else {
- unsigned Reg = AsmInfo.getDwarfRegNum(Src.getReg(), true);
- OutStreamer.EmitCFIOffset(Reg, -Dst.getOffset());
- }
-}
-
/// EmitFunctionBody - This method emits the body and trailer for a
/// function.
void AsmPrinter::EmitFunctionBody() {
switch (II->getOpcode()) {
case TargetOpcode::PROLOG_LABEL:
- emitPrologLabel(*II);
- break;
-
case TargetOpcode::EH_LABEL:
case TargetOpcode::GC_LABEL:
OutStreamer.EmitLabel(II->getOperand(0).getMCSymbol());