Lines Matching full:memcpy

51          "Atomic memcpy lowering is not supported for vector operand type");
55       "Atomic memcpy lowering is not supported for selected operand size");
61     PostLoopBB = PreLoopBB->splitBasicBlock(InsertBefore, "memcpy-split");
125           "Atomic memcpy lowering is not supported for selected operand size");
186       PreLoopBB->splitBasicBlock(InsertBefore, "post-loop-memcpy-expansion");
203          "Atomic memcpy lowering is not supported for vector operand type");
206          "Atomic memcpy lowering is not supported for selected operand size");
214          "expected size argument to memcpy to be an integer type!");
224       BasicBlock::Create(Ctx, "loop-memcpy-expansion", ParentFunc, PostLoopBB);
273     BasicBlock *ResLoopBB = BasicBlock::Create(Ctx, "loop-memcpy-residual",
278         Ctx, "loop-memcpy-residual-header", PreLoopBB->getParent(), nullptr);
283     // non-zero and finally branch to after the residual loop if the memcpy
339     // terminators for the preloop block and the memcpy loop.
502 static bool canOverlap(MemTransferBase<T> *Memcpy, ScalarEvolution *SE) {
504     auto *SrcSCEV = SE->getSCEV(Memcpy->getRawSource());
505     auto *DestSCEV = SE->getSCEV(Memcpy->getRawDest());
506     if (SE->isKnownPredicateAt(CmpInst::ICMP_NE, SrcSCEV, DestSCEV, Memcpy))
512 void llvm::expandMemCpyAsLoop(MemCpyInst *Memcpy,
515   bool CanOverlap = canOverlap(Memcpy, SE);
516   if (ConstantInt *CI = dyn_cast<ConstantInt>(Memcpy->getLength())) {
518         /* InsertBefore */ Memcpy,
519         /* SrcAddr */ Memcpy->getRawSource(),
520         /* DstAddr */ Memcpy->getRawDest(),
522         /* SrcAlign */ Memcpy->getSourceAlign().valueOrOne(),
523         /* DestAlign */ Memcpy->getDestAlign().valueOrOne(),
524         /* SrcIsVolatile */ Memcpy->isVolatile(),
525         /* DstIsVolatile */ Memcpy->isVolatile(),
530         /* InsertBefore */ Memcpy,
531         /* SrcAddr */ Memcpy->getRawSource(),
532         /* DstAddr */ Memcpy->getRawDest(),
533         /* CopyLen */ Memcpy->getLength(),
534         /* SrcAlign */ Memcpy->getSourceAlign().valueOrOne(),
535         /* DestAlign */ Memcpy->getDestAlign().valueOrOne(),
536         /* SrcIsVolatile */ Memcpy->isVolatile(),
537         /* DstIsVolatile */ Memcpy->isVolatile(),
559       // to. Expand as memcpy.