Lines Matching defs:ShAmtC

1041     unsigned ShAmtC = C->getZExtValue();
1048       if (ShAmtC < SrcWidth &&
1049           MaskedValueIsZero(X, APInt::getHighBitsSet(SrcWidth, ShAmtC), 0, &I))
1050         return new ZExtInst(Builder.CreateShl(X, ShAmtC), Ty);
1055       APInt Mask(APInt::getHighBitsSet(BitWidth, BitWidth - ShAmtC));
1063       if (ShrAmt < ShAmtC) {
1065         Constant *ShiftDiff = ConstantInt::get(Ty, ShAmtC - ShrAmt);
1075       if (ShrAmt > ShAmtC) {
1077         Constant *ShiftDiff = ConstantInt::get(Ty, ShrAmt - ShAmtC);
1088       if (ShrAmt < ShAmtC) {
1090         Constant *ShiftDiff = ConstantInt::get(Ty, ShAmtC - ShrAmt);
1099         APInt Mask(APInt::getHighBitsSet(BitWidth, BitWidth - ShAmtC));
1102       if (ShrAmt > ShAmtC) {
1104         Constant *ShiftDiff = ConstantInt::get(Ty, ShrAmt - ShAmtC);
1110         APInt Mask(APInt::getHighBitsSet(BitWidth, BitWidth - ShAmtC));
1121       unsigned ShDiff = ShrAmtC > ShAmtC ? ShrAmtC - ShAmtC : ShAmtC - ShrAmtC;
1123       auto ShiftOpc = ShrAmtC > ShAmtC ? Shr->getOpcode() : Instruction::Shl;
1131       APInt Mask(APInt::getHighBitsSet(BitWidth, BitWidth - ShAmtC));
1344     unsigned ShAmtC = C->getZExtValue();
1346     if (II && isPowerOf2_32(BitWidth) && Log2_32(BitWidth) == ShAmtC &&
1361       if (C1->ult(ShAmtC)) {
1363         Constant *ShiftDiff = ConstantInt::get(Ty, ShAmtC - ShlAmtC);
1373           APInt Mask(APInt::getLowBitsSet(BitWidth, BitWidth - ShAmtC));
1376       } else if (C1->ugt(ShAmtC)) {
1378         Constant *ShiftDiff = ConstantInt::get(Ty, ShlAmtC - ShAmtC);
1383           NewShl->setHasNoSignedWrap(ShAmtC > 0);
1389           APInt Mask(APInt::getLowBitsSet(BitWidth, BitWidth - ShAmtC));
1393         assert(*C1 == ShAmtC);
1395         APInt Mask(APInt::getLowBitsSet(BitWidth, BitWidth - ShAmtC));
1416       assert(ShAmtC < X->getType()->getScalarSizeInBits() &&
1419       Value *NewLShr = Builder.CreateLShr(X, ShAmtC);
1428             Ty, APInt::getLowBitsSet(BitWidth, BitWidth - ShAmtC));
1436         if (ShAmtC == BitWidth - 1) {
1442         if (ShAmtC == BitWidth - SrcTyBitWidth) {
1444           unsigned NewShAmt = std::min(ShAmtC, SrcTyBitWidth - 1);
1451     if (ShAmtC == BitWidth - 1) {
1463         Value *Signbit = Builder.CreateLShr(X, ShAmtC);
1472       unsigned AmtSum = ShAmtC + C1->getZExtValue();
1486         APInt MaskC = APInt::getAllOnes(BitWidth).lshr(ShAmtC);
1494           MulC->logBase2() == ShAmtC) {
1498         if (ShAmtC * 2 == BitWidth)
1504               X, Builder.CreateLShr(X, ConstantInt::get(Ty, ShAmtC), "",
1516         APInt NewMulC = MulC->lshr(ShAmtC);
1517         // if c is divisible by (1 << ShAmtC):
1518         // lshr (mul nuw x, MulC), ShAmtC -> mul nuw nsw x, (MulC >> ShAmtC)
1519         if (MulC->eq(NewMulC.shl(ShAmtC))) {
1522           assert(ShAmtC != 0 &&
1533           MulC->logBase2() == ShAmtC) {
1535             X, Builder.CreateLShr(X, ConstantInt::get(Ty, ShAmtC), "",
1549         if (ShAmtC >= WidthDiff) {
1551           Value *NewShift = Builder.CreateLShr(NarrowSwap, ShAmtC - WidthDiff);
1556           Constant *ShiftDiff = ConstantInt::get(Ty, WidthDiff - ShAmtC);
1565     if (ShAmtC == 1 && match(Op0, m_Add(m_Value(X), m_Value(Y))) &&