Lines Matching defs:AddRec

1086 /// Return true if this AddRec is already a phi in its loop.
1425       // If the AddRec exists, consider it's register free and leave it alone.
1589   // just add or sub. We'll need to compare final result of AddRec.
1601   // Each new AddRec adds 1 instruction to calculation.
2959 /// Helper for CollectChains that finds an IV operand (computed by an AddRec in
3197     // into this loop's AddRec.
3858     // Split the non-zero AddRec unless it is part of a nested recurrence that
4778       // same bad AddRec. Passing LoserRegs is also essential unless we remove
4787         // as the basis of rediscovering the desired formula that uses an AddRec
6604       LLVM_DEBUG(dbgs() << "scev-salvage: IV SCEV. Unsupported nested AddRec: "
7152     const SCEVAddRecExpr *AddRec = dyn_cast<SCEVAddRecExpr>(SE.getSCEV(&PN));
7153     // Only speculate on affine AddRec
7154     if (!AddRec || !AddRec->isAffine()) {
7161     // Check that we can compute the value of AddRec on the exiting iteration
7166     // must also know that AddRec doesn't take the same value on any previous
7170     if (!AddRec->hasNoSelfWrap() ||
7171         !SE.isKnownNonZero(AddRec->getStepRecurrence(SE)))
7174     const SCEVAddRecExpr *PostInc = AddRec->getPostIncExpr(SE);
7230                  << "Cannot find other AddRec IV to help folding\n";);