93           Stride(nullptr), Ins(nullptr), Basis(nullptr) {}  in Candidate()
97           Basis(nullptr) {}  in Candidate()
122     Candidate *Basis;  member
150   bool isBasisFor(const Candidate &Basis, const Candidate &C);
185   void rewriteCandidateWithBasis(const Candidate &C, const Candidate &Basis);
195   static Value *emitBump(const Candidate &Basis, const Candidate &C,
224 bool StraightLineStrengthReduce::isBasisFor(const Candidate &Basis,  in isBasisFor()  argument
226   return (Basis.Ins != C.Ins && // skip the same instruction  in isBasisFor()
229           Basis.Ins->getType() == C.Ins->getType() &&  in isBasisFor()
231           DT->dominates(Basis.Ins->getParent(), C.Ins->getParent()) &&  in isBasisFor()
233           Basis.Base == C.Base && Basis.Stride == C.Stride &&  in isBasisFor()
234           Basis.CandidateKind == C.CandidateKind);  in isBasisFor()
351     for (auto Basis = Candidates.rbegin();  in allocateCandidatesAndFindBasis()  local
352          Basis != Candidates.rend() && NumIterations < MaxNumIterations;  in allocateCandidatesAndFindBasis()
353          ++Basis, ++NumIterations) {  in allocateCandidatesAndFindBasis()
354       if (isBasisFor(*Basis, C)) {  in allocateCandidatesAndFindBasis()
355         C.Basis = &(*Basis);  in allocateCandidatesAndFindBasis()
556 Value *StraightLineStrengthReduce::emitBump(const Candidate &Basis,  in emitBump()  argument
561   APInt Idx = C.Index->getValue(), BasisIdx = Basis.Index->getValue();  in emitBump()
566   if (Basis.CandidateKind == Candidate::GEP) {  in emitBump()
570             cast<GetElementPtrInst>(Basis.Ins)->getType()->getElementType()));  in emitBump()
590       IntegerType::get(Basis.Ins->getContext(), IndexOffset.getBitWidth());  in emitBump()
608     const Candidate &C, const Candidate &Basis) {  in rewriteCandidateWithBasis()  argument
609   assert(C.CandidateKind == Basis.CandidateKind && C.Base == Basis.Base &&  in rewriteCandidateWithBasis()
610          C.Stride == Basis.Stride);  in rewriteCandidateWithBasis()
613   assert(Basis.Ins->getParent() != nullptr && "the basis is unlinked");  in rewriteCandidateWithBasis()
624   Value *Bump = emitBump(Basis, C, Builder, DL, BumpWithUglyGEP);  in rewriteCandidateWithBasis()
633           Builder.CreateSub(Basis.Ins, BinaryOperator::getNegArgument(Bump));  in rewriteCandidateWithBasis()
647       Reduced = Builder.CreateAdd(Basis.Ins, Bump);  in rewriteCandidateWithBasis()
656         unsigned AS = Basis.Ins->getType()->getPointerAddressSpace();  in rewriteCandidateWithBasis()
657         Type *CharTy = Type::getInt8PtrTy(Basis.Ins->getContext(), AS);  in rewriteCandidateWithBasis()
658         Reduced = Builder.CreateBitCast(Basis.Ins, CharTy);  in rewriteCandidateWithBasis()
670           Reduced = Builder.CreateInBoundsGEP(nullptr, Basis.Ins, Bump);  in rewriteCandidateWithBasis()
672           Reduced = Builder.CreateGEP(nullptr, Basis.Ins, Bump);  in rewriteCandidateWithBasis()
706     if (C.Basis != nullptr) {  in runOnFunction()
707       rewriteCandidateWithBasis(C, *C.Basis);  in runOnFunction()