Lines Matching defs:DiffSCEV

46 // DiffSCEV, compute the alignment of the displaced pointer if it can be reduced
48 // DiffSCEV is a recurrence with constant start such that the aligned offset
50 static MaybeAlign getNewAlignmentDiff(const SCEV *DiffSCEV,
54   const SCEV *DiffUnitsSCEV = SE->getURemExpr(DiffSCEV, AlignSCEV);
57                     << *DiffUnitsSCEV << " (diff: " << *DiffSCEV << ")\n");
87   const SCEV *DiffSCEV = SE->getMinusSCEV(PtrSCEV, AASCEV);
88   if (isa<SCEVCouldNotCompute>(DiffSCEV))
91   // On 32-bit platforms, DiffSCEV might now have type i32 -- we've always
93   DiffSCEV = SE->getNoopOrSignExtend(DiffSCEV, OffSCEV->getType());
97   DiffSCEV = SE->getAddExpr(DiffSCEV, OffSCEV);
101                     << " using diff " << *DiffSCEV << "\n");
103   if (MaybeAlign NewAlignment = getNewAlignmentDiff(DiffSCEV, AlignSCEV, SE)) {
108   if (const SCEVAddRecExpr *DiffARSCEV = dyn_cast<SCEVAddRecExpr>(DiffSCEV)) {