Lines Matching defs:IV

2232   // Step 2: Insert new IV and loop condition:
2715   // Step 4: Rewrite the loop into a countable form, with canonical IV.
2719   auto *IV = Builder.CreatePHI(Ty, 2, CurLoop->getName() + ".iv");
2725       Builder.CreateAdd(IV, ConstantInt::get(Ty, 1), IV->getName() + ".next",
2734   // Populate the IV PHI.
2735   IV->addIncoming(ConstantInt::get(Ty, 0), LoopPreheaderBB);
2736   IV->addIncoming(IVNext, LoopHeaderBB);
2781                                       Intrinsic::ID &IntrinID, Instruction *&IV,
2829   if (match(NBits, m_c_Add(m_Instruction(IV),
2834                  m_Sub(m_Instruction(IV),
2839     IV = NBits;
2844   auto *IVPN = dyn_cast<PHINode>(IV);
2952   Instruction *IV;
2956   if (!detectShiftUntilZeroIdiom(CurLoop, SE, ValShiftedIsZero, IntrID, IV,
2975   Builder.SetCurrentDebugLocation(IV->getDebugLoc());
3002   // Step 1: Compute the loop's final IV value / trip count.
3035   //         induction variable's final value instead of the orig. IV itself.
3037   IV->replaceUsesOutsideBlock(IVFinal, LoopHeaderBB);
3039   // Step 3: Rewrite the loop into a countable form, with canonical IV.
3060   // The original IV, but rebased to be an offset to the CIV.
3063   IVDePHId->takeName(IV);
3070   // Populate the IV PHI.
3080   IV->replaceAllUsesWith(IVDePHId);
3081   IV->eraseFromParent();