126                        DominatorTree *DT, ScalarEvolution *SE,  in rotateLoop()  argument
299     if (DT) {  in rotateLoop()
304       DomTreeNode *OrigHeaderNode = DT->getNode(OrigHeader);  in rotateLoop()
307       DomTreeNode *OrigPreheaderNode = DT->getNode(OrigPreheader);  in rotateLoop()
309         DT->changeImmediateDominator(HeaderChildren[I], OrigPreheaderNode);  in rotateLoop()
311       assert(DT->getNode(Exit)->getIDom() == OrigPreheaderNode);  in rotateLoop()
312       assert(DT->getNode(NewHeader)->getIDom() == OrigPreheaderNode);  in rotateLoop()
315       DT->changeImmediateDominator(OrigHeader, OrigLatch);  in rotateLoop()
323         CriticalEdgeSplittingOptions(DT, LI).setPreserveLCSSA());  in rotateLoop()
343           *PI, Exit, CriticalEdgeSplittingOptions(DT, LI).setPreserveLCSSA());  in rotateLoop()
357     if (DT) {  in rotateLoop()
359       DT->changeImmediateDominator(NewHeader, OrigPreheader);  in rotateLoop()
360       DT->changeImmediateDominator(OrigHeader, OrigLatch);  in rotateLoop()
365       DomTreeNode *OrigHeaderNode = DT->getNode(OrigHeader);  in rotateLoop()
378             NearestDom = DT->findNearestCommonDominator(NearestDom, *PI);  in rotateLoop()
382             DT->changeImmediateDominator(BB, NearestDom);  in rotateLoop()
400   MergeBlockIntoPredecessor(OrigHeader, DT, LI);  in rotateLoop()
485 static bool simplifyLoopLatch(Loop *L, LoopInfo *LI, DominatorTree *DT) {  in simplifyLoopLatch()  argument
524   if (DT)  in simplifyLoopLatch()
525     DT->eraseNode(Latch);  in simplifyLoopLatch()
534                                   AssumptionCache *AC, DominatorTree *DT,  in iterativelyRotateLoop()  argument
542   bool SimplifiedLatch = simplifyLoopLatch(L, LI, DT);  in iterativelyRotateLoop()
546   while (rotateLoop(L, MaxHeaderSize, LI, TTI, AC, DT, SE, SimplifiedLatch)) {  in iterativelyRotateLoop()
601     auto *DT = DTWP ? &DTWP->getDomTree() : nullptr;  in runOnLoop()  local
605     return iterativelyRotateLoop(L, MaxHeaderSize, LI, TTI, AC, DT, SE);  in runOnLoop()