Merge pull request #62431 from gottesmm/pr-3179685fa24dfdc17f53ec40c39d583761cd0da5

Delete dead function. NFC.

Author: swift-ci

lib/SILOptimizer/Mandatory/MoveKillsCopyableAddressesChecker.cpp

@@ -300,25 +300,6 @@ static void convertMemoryReinitToInitForm(SILInstruction *memInst) {
   }
 }
 
-static bool memInstMustReinitialize(Operand *memOper) {
-  SILValue address = memOper->get();
-  auto *memInst = memOper->getUser();
-  switch (memInst->getKind()) {
-  default:
-    return false;
-
-  case SILInstructionKind::CopyAddrInst: {
-    auto *CAI = cast<CopyAddrInst>(memInst);
-    return CAI->getDest() == address && !CAI->isInitializationOfDest();
-  }
-  case SILInstructionKind::StoreInst: {
-    auto *si = cast<StoreInst>(memInst);
-    return si->getDest() == address &&
-           si->getOwnershipQualifier() == StoreOwnershipQualifier::Assign;
-  }
-  }
-}
-
 //===----------------------------------------------------------------------===//
 //                               Use State
 //===----------------------------------------------------------------------===//