Lines Matching defs:IncExpr

2077 /// For the head of a chain, IncExpr holds the absolute SCEV expression for the
2080 /// IncExpr can be used to find the new IVOperand that computes the same
2085   const SCEV *IncExpr;
2088       : UserInst(U), IVOperand(O), IncExpr(E) {}
2121   // Returns true if IncExpr can be profitably added to this chain.
2123                              const SCEV *IncExpr,
3038                                     const SCEV *IncExpr,
3046   if (!isa<SCEVConstant>(IncExpr)) {
3053   return !isHighCostExpansion(IncExpr, Processed, SE);
3091       && SE.getSCEV(Chain.tailUserInst()) == Chain.Incs[0].IncExpr) {
3105     if (Inc.IncExpr->isZero())
3110     if (isa<SCEVConstant>(Inc.IncExpr)) {
3115     if (Inc.IncExpr == LastIncExpr)
3120     LastIncExpr = Inc.IncExpr;
3177     const SCEV *IncExpr = SE.getMinusSCEV(OperExpr, PrevExpr);
3178     if (isa<SCEVCouldNotCompute>(IncExpr) || !SE.isLoopInvariant(IncExpr, L))
3181     if (Chain.isProfitableIncrement(OperExpr, IncExpr, SE)) {
3182       LastIncExpr = IncExpr;
3359 static bool canFoldIVIncExpr(const SCEV *IncExpr, Instruction *UserInst,
3361   const SCEVConstant *IncConst = dyn_cast<SCEVConstant>(IncExpr);
3369     auto *IncVScale = dyn_cast<SCEVMulExpr>(IncExpr);
3408     // Note that if Head.IncExpr is wider than IVSrc, then this phi is too
3412     // getSCEV(IVSrc) == IncExpr.
3413     if (SE.getSCEV(*IVOpIter) == Head.IncExpr
3414         || SE.getSCEV(IVSrc) == Head.IncExpr) {
3442     if (!Inc.IncExpr->isZero()) {
3443       // IncExpr was the result of subtraction of two narrow values, so must
3445       const SCEV *IncExpr = SE.getNoopOrSignExtend(Inc.IncExpr, IntTy);
3446       Accum = SE.getAddExpr(Accum, IncExpr);
3448         SE.getAddExpr(LeftOverExpr, IncExpr) : IncExpr;