Lines Matching defs:Basis

175     Candidate *Basis = nullptr;
181   // Returns true if Basis is a basis for C, i.e., Basis dominates C and they
183   bool isBasisFor(const Candidate &Basis, const Candidate &C);
227   // Rewrites candidate C with respect to Basis.
228   void rewriteCandidateWithBasis(const Candidate &C, const Candidate &Basis);
236   // Emit code that computes the "bump" from Basis to C.
237   static Value *emitBump(const Candidate &Basis, const Candidate &C,
268 bool StraightLineStrengthReduce::isBasisFor(const Candidate &Basis,
270   return (Basis.Ins != C.Ins && // skip the same instruction
271           // They must have the same type too. Basis.Base == C.Base doesn't
273           Basis.Ins->getType() == C.Ins->getType() &&
274           // Basis must dominate C in order to rewrite C with respect to Basis.
275           DT->dominates(Basis.Ins->getParent(), C.Ins->getParent()) &&
277           Basis.Base == C.Base && Basis.Stride == C.Stride &&
278           Basis.CandidateKind == C.CandidateKind);
364     for (auto Basis = Candidates.rbegin();
365          Basis != Candidates.rend() && NumIterations < MaxNumIterations;
366          ++Basis, ++NumIterations) {
367       if (isBasisFor(*Basis, C)) {
368         C.Basis = &(*Basis);
575 Value *StraightLineStrengthReduce::emitBump(const Candidate &Basis,
579   APInt Idx = C.Index->getValue(), BasisIdx = Basis.Index->getValue();
583   // Compute Bump = C - Basis = (i' - i) * S.
594       IntegerType::get(Basis.Ins->getContext(), IndexOffset.getBitWidth());
612     const Candidate &C, const Candidate &Basis) {
613   assert(C.CandidateKind == Basis.CandidateKind && C.Base == Basis.Base &&
614          C.Stride == Basis.Stride);
617   assert(Basis.Ins->getParent() != nullptr && "the basis is unlinked");
627   Value *Bump = emitBump(Basis, C, Builder, DL);
632     // C = Basis + Bump
635       // If Bump is a neg instruction, emit C = Basis - (-Bump).
636       Reduced = Builder.CreateSub(Basis.Ins, NegBump);
650       Reduced = Builder.CreateAdd(Basis.Ins, Bump);
656     // C = (char *)Basis + Bump
657     Reduced = Builder.CreatePtrAdd(Basis.Ins, Bump, "", InBounds);
692     if (C.Basis != nullptr) {
693       rewriteCandidateWithBasis(C, *C.Basis);