Transforms/InstCombine/InstCombineShifts.cpp

331   uint32_t TypeBits = Op0->getType()->getScalarSizeInBits();
336   if (Op1->uge(TypeBits)) {
340     I.setOperand(1, ConstantInt::get(I.getType(), TypeBits-1));
424           uint32_t Op1Val = Op1->getLimitedValue(TypeBits);
426                      APInt::getHighBitsSet(TypeBits, TypeBits-Op1Val)));
456           uint32_t Op1Val = Op1->getLimitedValue(TypeBits);
458                      APInt::getHighBitsSet(TypeBits, TypeBits-Op1Val)));
507           isValid = Op0C->getValue()[TypeBits-1] == highBitSet;
543     uint32_t ShiftAmt1 = ShiftAmt1C->getLimitedValue(TypeBits);
544     uint32_t ShiftAmt2 = Op1->getLimitedValue(TypeBits);
556       if (AmtSum >= TypeBits) {
559         AmtSum = TypeBits-1;  // Saturate to 31 for i32 ashr.
570         APInt Mask(APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt1));
606         APInt Mask(APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt2));
654         APInt Mask(APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt2));