65 static bool IsAcceptableTarget(Instruction *Inst, BasicBlock *SuccToSinkTo,  in IsAcceptableTarget()  argument
68   assert(SuccToSinkTo && "Candidate sink target is null");  in IsAcceptableTarget()
72   if (SuccToSinkTo->getTerminator()->isExceptionalTerminator())  in IsAcceptableTarget()
79   if (SuccToSinkTo->getUniquePredecessor() != Inst->getParent()) {  in IsAcceptableTarget()
87     if (!DT.dominates(Inst->getParent(), SuccToSinkTo))  in IsAcceptableTarget()
91     Loop *succ = LI.getLoopFor(SuccToSinkTo);  in IsAcceptableTarget()
126   BasicBlock *SuccToSinkTo = nullptr;  in SinkInstruction()  local
142     if (SuccToSinkTo)  in SinkInstruction()
143       SuccToSinkTo = DT.findNearestCommonDominator(SuccToSinkTo, UseBlock);  in SinkInstruction()
145       SuccToSinkTo = UseBlock;  in SinkInstruction()
147     if (!DT.dominates(BB, SuccToSinkTo))  in SinkInstruction()
151   if (SuccToSinkTo) {  in SinkInstruction()
154     while (SuccToSinkTo != BB &&  in SinkInstruction()
155            !IsAcceptableTarget(Inst, SuccToSinkTo, DT, LI))  in SinkInstruction()
156       SuccToSinkTo = DT.getNode(SuccToSinkTo)->getIDom()->getBlock();  in SinkInstruction()
157     if (SuccToSinkTo == BB)  in SinkInstruction()
158       SuccToSinkTo = nullptr;  in SinkInstruction()
162   if (!SuccToSinkTo)  in SinkInstruction()
167              SuccToSinkTo->printAsOperand(dbgs(), false); dbgs() << ")\n");  in SinkInstruction()
170   Inst->moveBefore(&*SuccToSinkTo->getFirstInsertionPt());  in SinkInstruction()