Lines Matching defs:MemCpy

1273 /// We've found that the (upward scanning) memory dependence of \p MemCpy is
1275 /// weren't copied over by \p MemCpy.
1292 bool MemCpyOptPass::processMemSetMemCpyDependence(MemCpyInst *MemCpy,
1296   if (!BAA.isMustAlias(MemSet->getDest(), MemCpy->getDest()))
1303   Value *SrcSize = MemCpy->getLength();
1305                       SimplifyQuery(MemCpy->getDataLayout(), DT, AC, MemCpy)))
1310   if (isModSet(BAA.getModRefInfo(MemCpy, MemoryLocation::getForSource(MemCpy))))
1318                       MSSA->getMemoryAccess(MemCpy)))
1322   Value *Dest = MemCpy->getRawDest();
1325   if (mayBeVisibleThroughUnwinding(Dest, MemSet, MemCpy))
1340                                    MemCpy->getDestAlign().valueOrOne());
1345   IRBuilder<> Builder(MemCpy);
1352   assert(MemSet->getParent() == MemCpy->getParent() &&
1373   assert(isa<MemoryDef>(MSSAU->getMemorySSA()->getMemoryAccess(MemCpy)) &&
1374          "MemCpy must be a MemoryDef");
1378       cast<MemoryDef>(MSSAU->getMemorySSA()->getMemoryAccess(MemCpy));
1435 bool MemCpyOptPass::performMemCpyToMemSetOptzn(MemCpyInst *MemCpy,
1440   if (!BAA.isMustAlias(MemSet->getRawDest(), MemCpy->getRawSource()))
1444   Value *CopySize = MemCpy->getLength();
1464       MemoryLocation MemCpyLoc = MemoryLocation::getForSource(MemCpy);
1470         if (hasUndefContents(MSSA, BAA, MemCpy->getSource(), MD, CopySize))
1479   IRBuilder<> Builder(MemCpy);
1481       Builder.CreateMemSet(MemCpy->getRawDest(), MemSet->getOperand(1),
1482                            CopySize, MemCpy->getDestAlign());
1484       cast<MemoryDef>(MSSAU->getMemorySSA()->getMemoryAccess(MemCpy));