Lines Matching defs:PDom

849   //               PDom
852   // fallthrough of Succ into either D or PDom, because they now have C as an
856   MachineBasicBlock *PDom = nullptr;
873   // Find the PDom or the best Succ if no PDom exists.
878     if (PDom == nullptr)
880         PDom = SuccSucc;
918   if (PDom == nullptr || !Succ->isSuccessor(PDom)) {
928   BranchProbability UProb = MBPI->getEdgeProbability(Succ, PDom);
963       !hasBetterLayoutPredecessor(Succ, PDom, *BlockToChain[PDom], UProb, UProb,
1315     MachineBasicBlock *PDom = nullptr;
1319       PDom = Succ;
1324     if (PDom == nullptr)
1326     // If PDom has a hint that it is low probability, skip this triangle.
1327     if (MBPI->getEdgeProbability(&BB, PDom) < BranchProbability(50, 100))
1329     // If PDom isn't eligible for duplication, this isn't the kind of triangle
1331     if (!shouldTailDuplicate(PDom))
1334     // If PDom can't tail-duplicate into it's non-BB predecessors, then this
1336     for (MachineBasicBlock *Pred : PDom->predecessors()) {
1339       if (!TailDup.canTailDuplicate(PDom, Pred)) {
1344     // If we can't tail-duplicate PDom to its predecessors, then skip this
1352     // the find key is BB, but the insert/emplace key is PDom.
1359       Chain.append(PDom);
1362       auto InsertResult = TriangleChainMap.try_emplace(PDom, &BB, PDom);