Cross Reference: /external/llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp

Lines Matching defs:DestBB
123 /// is the new loop exit block, and DestBB is the old loop exit, now the
127                                        BasicBlock *DestBB) {
133   for (BasicBlock::iterator I = DestBB->begin();
178   BasicBlock *DestBB = TI->getSuccessor(SuccNum);
182   if (DestBB->isLandingPad()) return 0;
186                       TIBB->getName() + "." + DestBB->getName() + "_crit_edge");
188   BranchInst *NewBI = BranchInst::Create(DestBB, NewBB);
199   // If there are any PHI nodes in DestBB, we need to update them so that they
203     for (BasicBlock::iterator I = DestBB->begin(); isa<PHINode>(I); ++I) {
220   // If there are any other edges from TIBB to DestBB, update those to go
222   // reducing the number of phi entries in the DestBB if relevant).
225       if (TI->getSuccessor(i) != DestBB) continue;
227       // Remove an entry for TIBB from DestBB phi nodes.
228       DestBB->removePredecessor(TIBB, DontDeleteUselessPhis);
230       // We found another edge to DestBB, go to NewBB instead.
250   // anything, as there are other successors of DestBB.  However, if all other
251   // predecessors of DestBB are already dominated by DestBB (e.g. DestBB is a
252   // loop header) then NewBB dominates DestBB.
257   if (PHINode *PN = dyn_cast<PHINode>(DestBB->begin())) {
262     for (pred_iterator I = pred_begin(DestBB), E = pred_end(DestBB);
285         DestBBNode = DT->getNode(DestBB);
294       // If NewBBDominatesDestBB, then NewBB dominates DestBB, otherwise it
297         if (!DestBBNode) DestBBNode = DT->getNode(DestBB);
308       if (Loop *DestLoop = LI->getLoopFor(DestBB)) {
323           assert(DestLoop->getHeader() == DestBB &&
329       // If TIBB is in a loop and DestBB is outside of that loop, split the
332       if (!TIL->contains(DestBB) &&
341           CreatePHIsForSplitLoopExit(OrigPred, NewBB, DestBB);
394     PI->splitEdge(TIBB, DestBB, NewBB, MergeIdenticalEdges);