Lines Matching defs:UseInst

1245   /// Returns true if \p UseInst completely overwrites \p DefLoc
1248                            Instruction *UseInst) {
1249     // UseInst has a MemoryDef associated in MemorySSA. It's possible for a
1252     if (!UseInst->mayWriteToMemory())
1255     if (auto *CB = dyn_cast<CallBase>(UseInst))
1260     if (auto CC = getLocForWrite(UseInst))
1261       return isOverwrite(UseInst, DefInst, *CC, DefLoc, InstWriteOffset,
1294       Instruction *UseInst = cast<MemoryUseOrDef>(UseAccess)->getMemoryInst();
1295       if (isReadClobber(DefLoc, UseInst)) {
1296         LLVM_DEBUG(dbgs() << "  ... hit read clobber " << *UseInst << ".\n");
1361   bool isReadClobber(const MemoryLocation &DefLoc, Instruction *UseInst) {
1362     if (isNoopIntrinsic(UseInst))
1367     if (auto SI = dyn_cast<StoreInst>(UseInst))
1370     if (!UseInst->mayReadFromMemory())
1373     if (auto *CB = dyn_cast<CallBase>(UseInst))
1377     return isRefSet(BatchAA.getModRefInfo(UseInst, DefLoc));
1634       Instruction *UseInst = cast<MemoryUseOrDef>(UseAccess)->getMemoryInst();
1635       LLVM_DEBUG(dbgs() << " (" << *UseInst << ")\n");
1637       if (any_of(KillingDefs, [this, UseInst](Instruction *KI) {
1638             return DT.dominates(KI, UseInst);
1646       if (isMemTerminator(MaybeDeadLoc, MaybeDeadI, UseInst)) {
1659       if (UseInst->mayThrow() && !isInvisibleToCallerOnUnwind(KillingUndObj)) {
1670         if (KillingI == UseInst &&
1675       if (isReadClobber(MaybeDeadLoc, UseInst) && !IsKillingDefFromInitAttr) {
1708         if (isCompleteOverwrite(MaybeDeadLoc, MaybeDeadI, UseInst)) {
1709           BasicBlock *MaybeKillingBlock = UseInst->getParent();
1714                          << "    ... found killing def " << *UseInst << "\n");
1715               KillingDefs.insert(UseInst);
1719                        << "    ... found preceeding def " << *UseInst << "\n");