C++ (Cpp) const_iterator::hasUnmodeledSideEffects Examples

Example #1

File: MachineCopyPropagation.cpp Project: 32bitmicro/llvm

static bool NoInterveningSideEffect(const MachineInstr *CopyMI,
                                    const MachineInstr *MI) {
  const MachineBasicBlock *MBB = CopyMI->getParent();
  if (MI->getParent() != MBB)
    return false;
  MachineBasicBlock::const_iterator I = CopyMI;
  MachineBasicBlock::const_iterator E = MBB->end();
  MachineBasicBlock::const_iterator E2 = MI;

  ++I;
  while (I != E && I != E2) {
    if (I->hasUnmodeledSideEffects() || I->isCall() ||
        I->isTerminator())
      return false;
    ++I;
  }
  return true;
}