[OwnershipUtils] Add move as OwnedValueIntroducer.

Author: nate-chandler

include/swift/SIL/OwnershipUtils.h

@@ -1066,6 +1066,9 @@ class OwnedValueIntroducerKind {
     /// memory location.
     LoadTake,
 
+    /// An owned value produced by moving from another owned value.
+    Move,
+
     /// An owned value that is a result of a true phi argument.
     ///
     /// A true phi argument here is defined as an SIL phi argument that only has
@@ -1140,6 +1143,8 @@ class OwnedValueIntroducerKind {
         return Kind::LoadCopy;
       return Kind::Invalid;
     }
+    case ValueKind::MoveValueInst:
+      return Kind::Move;
     case ValueKind::PartialApplyInst:
       return Kind::PartialApplyInit;
     case ValueKind::AllocBoxInst:
@@ -1212,6 +1217,7 @@ struct OwnedValueIntroducer {
     case OwnedValueIntroducerKind::BeginApply:
     case OwnedValueIntroducerKind::TryApply:
     case OwnedValueIntroducerKind::LoadTake:
+    case OwnedValueIntroducerKind::Move:
     case OwnedValueIntroducerKind::Phi:
     case OwnedValueIntroducerKind::Struct:
     case OwnedValueIntroducerKind::Tuple:
@@ -1242,6 +1248,7 @@ struct OwnedValueIntroducer {
     case OwnedValueIntroducerKind::BeginApply:
     case OwnedValueIntroducerKind::TryApply:
     case OwnedValueIntroducerKind::LoadTake:
+    case OwnedValueIntroducerKind::Move:
     case OwnedValueIntroducerKind::FunctionArgument:
     case OwnedValueIntroducerKind::PartialApplyInit:
     case OwnedValueIntroducerKind::AllocBoxInit:

lib/SIL/Utils/OwnershipUtils.cpp

@@ -1261,6 +1261,9 @@ void OwnedValueIntroducerKind::print(llvm::raw_ostream &os) const {
   case OwnedValueIntroducerKind::LoadTake:
     os << "LoadTake";
     return;
+  case OwnedValueIntroducerKind::Move:
+    os << "Move";
+    return;
   case OwnedValueIntroducerKind::Phi:
     os << "Phi";
     return;

lib/SILOptimizer/SemanticARC/OwnershipLiveRange.cpp

@@ -296,6 +296,7 @@ static SILValue convertIntroducerToGuaranteed(OwnedValueIntroducer introducer) {
   case OwnedValueIntroducerKind::BeginApply:
   case OwnedValueIntroducerKind::TryApply:
   case OwnedValueIntroducerKind::LoadTake:
+  case OwnedValueIntroducerKind::Move:
   case OwnedValueIntroducerKind::FunctionArgument:
   case OwnedValueIntroducerKind::PartialApplyInit:
   case OwnedValueIntroducerKind::AllocBoxInit: