Lines Matching defs:ArrayIdx

230   // A helper function that factors ArrayIdx to a product of a stride and a
233   void factorArrayIndex(Value *ArrayIdx, const SCEV *Base, uint64_t ElementSize,
487 void StraightLineStrengthReduce::factorArrayIndex(Value *ArrayIdx,
491   // At least, ArrayIdx = ArrayIdx *nsw 1.
493       Base, ConstantInt::get(cast<IntegerType>(ArrayIdx->getType()), 1),
494       ArrayIdx, ElementSize, GEP);
497   // One alternative is matching the SCEV of ArrayIdx instead of ArrayIdx
508   if (match(ArrayIdx, m_NSWMul(m_Value(LHS), m_ConstantInt(RHS)))) {
512   } else if (match(ArrayIdx, m_NSWShl(m_Value(LHS), m_ConstantInt(RHS)))) {
543     Value *ArrayIdx = GEP->getOperand(I);
545     if (ArrayIdx->getType()->getIntegerBitWidth() <=
547       // Skip factoring if ArrayIdx is wider than the index size, because
548       // ArrayIdx is implicitly truncated to the index size.
549       factorArrayIndex(ArrayIdx, BaseExpr, ElementSize, GEP);
551     // When ArrayIdx is the sext of a value, we try to factor that value as
555     if (match(ArrayIdx, m_SExt(m_Value(TruncatedArrayIdx))) &&