return false;
// Directly rip through bitcasts to find the underlying operand.
- while (Op.getOpcode() == ISD::BITCAST && Op.getOperand(0).hasOneUse())
- Op = Op.getOperand(0);
+ Op = peekThroughOneUseBitcasts(Op);
MVT VT = Op.getSimpleValueType();
if (!VT.isVector())
V.getOpcode() == X86ISD::PSHUFHW) &&
V.getOpcode() != N.getOpcode() &&
V.hasOneUse()) {
- SDValue D = V.getOperand(0);
- while (D.getOpcode() == ISD::BITCAST && D.hasOneUse())
- D = D.getOperand(0);
+ SDValue D = peekThroughOneUseBitcasts(V.getOperand(0));
if (D.getOpcode() == X86ISD::PSHUFD && D.hasOneUse()) {
SmallVector<int, 4> VMask = getPSHUFShuffleMask(V);
SmallVector<int, 4> DMask = getPSHUFShuffleMask(D);