lib/Analysis/ScalarEvolutionExpander.cpp

28 /// ReuseOrCreateCast - Arrange for there to be a cast of V to Ty at IP,
34                                        BasicBlock::iterator IP) {
36   // point. It doesn't need to be the actual IP where the uses of the returned
37   // cast will be added, but it must dominate such IP.
55           // If the cast isn't where we want it, create a new cast at IP.
58           if (BasicBlock::iterator(CI) != IP || BIP == IP) {
62             Ret = CastInst::Create(Op, V, Ty, "", IP);
75     Ret = CastInst::Create(Op, V, Ty, V->getName(), IP);
77   // We assert at the end of the function since IP might point to an
131     BasicBlock::iterator IP = A->getParent()->getEntryBlock().begin();
132     while ((isa<BitCastInst>(IP) &&
133             isa<Argument>(cast<BitCastInst>(IP)->getOperand(0)) &&
134             cast<BitCastInst>(IP)->getOperand(0) != A) ||
135            isa<DbgInfoIntrinsic>(IP) ||
136            isa<LandingPadInst>(IP))
137       ++IP;
138     return ReuseOrCreateCast(A, Ty, Op, IP);
143   BasicBlock::iterator IP = I; ++IP;
145     IP = II->getNormalDest()->begin();
146   while (isa<PHINode>(IP) || isa<LandingPadInst>(IP))
147     ++IP;
148   return ReuseOrCreateCast(I, Ty, Op, IP);
164   BasicBlock::iterator IP = Builder.GetInsertPoint();
165   if (IP != BlockBegin) {
166     --IP;
167     for (; ScanLimit; --IP, --ScanLimit) {
170       if (isa<DbgInfoIntrinsic>(IP))
172       if (IP->getOpcode() == (unsigned)Opcode && IP->getOperand(0) == LHS &&
173           IP->getOperand(1) == RHS)
174         return IP;
175       if (IP == BlockBegin) break;
536     BasicBlock::iterator IP = Builder.GetInsertPoint();
537     if (IP != BlockBegin) {
538       --IP;
539       for (; ScanLimit; --IP, --ScanLimit) {
542         if (isa<DbgInfoIntrinsic>(IP))
544         if (IP->getOpcode() == Instruction::GetElementPtr &&
545             IP->getOperand(0) == V && IP->getOperand(1) == Idx)
546           return IP;
547         if (IP == BlockBegin) break;
1469                                    Instruction *IP) {
1470   Builder.SetInsertPoint(IP->getParent(), IP);
1667           Instruction *IP = isa<PHINode>(OrigInc)
1670           IRBuilder<> Builder(IP);