C++ (Cpp) const_iterator::pred_empty Examples

Example #1

File: IA64AsmPrinter.cpp Project: bratsche/llvm

/// runOnMachineFunction - This uses the printMachineInstruction()
/// method to print assembly for each instruction.
///
bool IA64AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
  this->MF = &MF;

  SetupMachineFunction(MF);
  O << "\n\n";

  // Print out constants referenced by the function
  EmitConstantPool(MF.getConstantPool());

  const Function *F = MF.getFunction();
  SwitchToSection(TAI->SectionForGlobal(F));

  // Print out labels for the function.
  EmitAlignment(5);
  O << "\t.global\t" << CurrentFnName << '\n';

  printVisibility(CurrentFnName, F->getVisibility());

  O << "\t.type\t" << CurrentFnName << ", @function\n";
  O << CurrentFnName << ":\n";

  // Print out code for the function.
  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
       I != E; ++I) {
    // Print a label for the basic block if there are any predecessors.
    if (!I->pred_empty()) {
      printBasicBlockLabel(I, true, true);
      O << '\n';
    }
    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
         II != E; ++II) {
      // Print the assembly for the instruction.
      printMachineInstruction(II);
    }
  }

  // We didn't modify anything.
  return false;
}

Example #2

File: X86IntelAsmPrinter.cpp Project: chrislipa/fractalstream

/// runOnMachineFunction - This uses the printMachineInstruction()
/// method to print assembly for each instruction.
///
bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
  SetupMachineFunction(MF);
  O << "\n\n";

  // Print out constants referenced by the function
  EmitConstantPool(MF.getConstantPool());

  // Print out labels for the function.
  const Function *F = MF.getFunction();
  unsigned CC = F->getCallingConv();

  // Populate function information map.  Actually, We don't want to populate
  // non-stdcall or non-fastcall functions' information right now.
  if (CC == CallingConv::X86_StdCall || CC == CallingConv::X86_FastCall)
    FunctionInfoMap[F] = *MF.getInfo<X86MachineFunctionInfo>();

  decorateName(CurrentFnName, F);

  SwitchToTextSection("_text", F);

  unsigned FnAlign = 4;
  if (F->hasFnAttr(Attribute::OptimizeForSize))
    FnAlign = 1;
  switch (F->getLinkage()) {
  default: assert(0 && "Unsupported linkage type!");
  case Function::PrivateLinkage:
  case Function::InternalLinkage:
    EmitAlignment(FnAlign);
    break;
  case Function::DLLExportLinkage:
    DLLExportedFns.insert(CurrentFnName);
    //FALLS THROUGH
  case Function::ExternalLinkage:
    O << "\tpublic " << CurrentFnName << "\n";
    EmitAlignment(FnAlign);
    break;
  }

  O << CurrentFnName << "\tproc near\n";

  // Print out code for the function.
  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
       I != E; ++I) {
    // Print a label for the basic block if there are any predecessors.
    if (!I->pred_empty()) {
      printBasicBlockLabel(I, true, true);
      O << '\n';
    }
    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
         II != E; ++II) {
      // Print the assembly for the instruction.
      printMachineInstruction(II);
    }
  }

  // Print out jump tables referenced by the function.
  EmitJumpTableInfo(MF.getJumpTableInfo(), MF);

  O << CurrentFnName << "\tendp\n";

  O.flush();

  // We didn't modify anything.
  return false;
}