[move-only] Add support for explicit_copy_addr in a few places in MemAccessUtils that I missed when introducing the instruction.

I discovered these were missing when using explicit_copy_addr with the move only
address checker.

Author: gottesmm

lib/SIL/Utils/MemAccessUtils.cpp

@@ -2108,6 +2108,7 @@ bool GatherUniqueStorageUses::visitUse(Operand *use, AccessUseType useTy) {
   case SILInstructionKind::InjectEnumAddrInst:
     return visitor.visitStore(use);
 
+  case SILInstructionKind::ExplicitCopyAddrInst:
   case SILInstructionKind::CopyAddrInst:
     if (operIdx == CopyLikeInstruction::Dest) {
       return visitor.visitStore(use);
@@ -2146,6 +2147,10 @@ bool swift::memInstMustInitialize(Operand *memOper) {
     auto *CAI = cast<CopyAddrInst>(memInst);
     return CAI->getDest() == address && CAI->isInitializationOfDest();
   }
+  case SILInstructionKind::ExplicitCopyAddrInst: {
+    auto *CAI = cast<ExplicitCopyAddrInst>(memInst);
+    return CAI->getDest() == address && CAI->isInitializationOfDest();
+  }
   case SILInstructionKind::MarkUnresolvedMoveAddrInst: {
     return cast<MarkUnresolvedMoveAddrInst>(memInst)->getDest() == address;
   }
@@ -2594,6 +2599,11 @@ void swift::visitAccessedAddress(SILInstruction *I,
     visitor(&I->getAllOperands()[CopyAddrInst::Dest]);
     return;
 
+  case SILInstructionKind::ExplicitCopyAddrInst:
+    visitor(&I->getAllOperands()[ExplicitCopyAddrInst::Src]);
+    visitor(&I->getAllOperands()[ExplicitCopyAddrInst::Dest]);
+    return;
+
   case SILInstructionKind::MarkUnresolvedMoveAddrInst:
     visitor(&I->getAllOperands()[MarkUnresolvedMoveAddrInst::Src]);
     visitor(&I->getAllOperands()[MarkUnresolvedMoveAddrInst::Dest]);