65 static bool IsAcceptableTarget(Instruction *Inst, BasicBlock *SuccToSinkTo,  in IsAcceptableTarget()  argument
68   assert(SuccToSinkTo && "Candidate sink target is null");  in IsAcceptableTarget()
71   if (SuccToSinkTo->isEHPad())  in IsAcceptableTarget()
78   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
143     if (SuccToSinkTo)  in SinkInstruction()
144       SuccToSinkTo = DT.findNearestCommonDominator(SuccToSinkTo, UseBlock);  in SinkInstruction()
146       SuccToSinkTo = UseBlock;  in SinkInstruction()
148     if (!DT.dominates(BB, SuccToSinkTo))  in SinkInstruction()
152   if (SuccToSinkTo) {  in SinkInstruction()
155     while (SuccToSinkTo != BB &&  in SinkInstruction()
156            !IsAcceptableTarget(Inst, SuccToSinkTo, DT, LI))  in SinkInstruction()
157       SuccToSinkTo = DT.getNode(SuccToSinkTo)->getIDom()->getBlock();  in SinkInstruction()
158     if (SuccToSinkTo == BB)  in SinkInstruction()
159       SuccToSinkTo = nullptr;  in SinkInstruction()
163   if (!SuccToSinkTo)  in SinkInstruction()
168              SuccToSinkTo->printAsOperand(dbgs(), false); dbgs() << ")\n");  in SinkInstruction()
171   Inst->moveBefore(&*SuccToSinkTo->getFirstInsertionPt());  in SinkInstruction()