312 bool llvm::isSafeToMoveBefore(Instruction &I, Instruction &InsertPoint,  in isSafeToMoveBefore()  argument
320   if (&I == &InsertPoint)  in isSafeToMoveBefore()
324   if (I.getNextNode() == &InsertPoint)  in isSafeToMoveBefore()
327   if (isa<PHINode>(I) || isa<PHINode>(InsertPoint))  in isSafeToMoveBefore()
334   if (!isControlFlowEquivalent(I, InsertPoint, DT, *PDT))  in isSafeToMoveBefore()
337   if (isReachedBefore(&I, &InsertPoint, &DT, PDT))  in isSafeToMoveBefore()
342         if (I.getParent() == InsertPoint.getParent() &&  in isSafeToMoveBefore()
345         if (UserInst != &InsertPoint && !DT.dominates(&InsertPoint, U)) {  in isSafeToMoveBefore()
355   if (isReachedBefore(&InsertPoint, &I, &DT, PDT))  in isSafeToMoveBefore()
358         if (&InsertPoint == OpInst)  in isSafeToMoveBefore()
365         if (!DT.dominates(OpInst, &InsertPoint))  in isSafeToMoveBefore()
370   const bool MoveForward = domTreeLevelBefore(&DT, &I, &InsertPoint);  in isSafeToMoveBefore()
371   Instruction &StartInst = (MoveForward ? I : InsertPoint);  in isSafeToMoveBefore()
372   Instruction &EndInst = (MoveForward ? InsertPoint : I);  in isSafeToMoveBefore()
376     InstsToCheck.insert(&InsertPoint);  in isSafeToMoveBefore()
412 bool llvm::isSafeToMoveBefore(BasicBlock &BB, Instruction &InsertPoint,  in isSafeToMoveBefore()  argument
419     return isSafeToMoveBefore(I, InsertPoint, DT, PDT, DI,  in isSafeToMoveBefore()