Lines Matching defs:MemCpy

1256 /// We've found that the (upward scanning) memory dependence of \p MemCpy is
1258 /// weren't copied over by \p MemCpy.
1275 bool MemCpyOptPass::processMemSetMemCpyDependence(MemCpyInst *MemCpy,
1279   if (!BAA.isMustAlias(MemSet->getDest(), MemCpy->getDest()))
1286   Value *SrcSize = MemCpy->getLength();
1288                       SimplifyQuery(MemCpy->getDataLayout(), DT, AC, MemCpy)))
1293   if (isModSet(BAA.getModRefInfo(MemCpy, MemoryLocation::getForSource(MemCpy))))
1301                       MSSA->getMemoryAccess(MemCpy)))
1305   Value *Dest = MemCpy->getRawDest();
1308   if (mayBeVisibleThroughUnwinding(Dest, MemSet, MemCpy))
1323                                    MemCpy->getDestAlign().valueOrOne());
1328   IRBuilder<> Builder(MemCpy);
1335   assert(MemSet->getParent() == MemCpy->getParent() &&
1356   assert(isa<MemoryDef>(MSSA->getMemoryAccess(MemCpy)) &&
1357          "MemCpy must be a MemoryDef");
1360   auto *LastDef = cast<MemoryDef>(MSSA->getMemoryAccess(MemCpy));
1417 bool MemCpyOptPass::performMemCpyToMemSetOptzn(MemCpyInst *MemCpy,
1422   if (!BAA.isMustAlias(MemSet->getRawDest(), MemCpy->getRawSource()))
1426   Value *CopySize = MemCpy->getLength();
1446       MemoryLocation MemCpyLoc = MemoryLocation::getForSource(MemCpy);
1452         if (hasUndefContents(MSSA, BAA, MemCpy->getSource(), MD, CopySize))
1461   IRBuilder<> Builder(MemCpy);
1463       Builder.CreateMemSet(MemCpy->getRawDest(), MemSet->getOperand(1),
1464                            CopySize, MemCpy->getDestAlign());
1465   auto *LastDef = cast<MemoryDef>(MSSA->getMemoryAccess(MemCpy));