[sil] Define ValueOwnershipKind::isCompatibleWith(SILValue v).

This just returns isCompatibleWith(v.getOwnershipKind()). Just makes some code
easier to write.

Author: gottesmm

include/swift/SIL/SILValue.h

@@ -41,6 +41,7 @@ class SILLocation;
 class DeadEndBlocks;
 class ValueBaseUseIterator;
 class ValueUseIterator;
+class SILValue;
 
 /// An enumeration which contains values for all the concrete ValueBase
 /// subclasses.
@@ -188,6 +189,12 @@ struct ValueOwnershipKind {
     return merge(other).hasValue();
   }
 
+  /// Returns isCompatibleWith(other.getOwnershipKind()).
+  ///
+  /// Definition is inline after SILValue is defined to work around circular
+  /// dependencies.
+  bool isCompatibleWith(SILValue other) const;
+
   template <typename RangeTy>
   static Optional<ValueOwnershipKind> merge(RangeTy &&r) {
     auto initial = Optional<ValueOwnershipKind>(ValueOwnershipKind::None);
@@ -440,6 +447,10 @@ class SILValue {
   void verifyOwnership(DeadEndBlocks *DEBlocks = nullptr) const;
 };
 
+inline bool ValueOwnershipKind::isCompatibleWith(SILValue other) const {
+  return isCompatibleWith(other.getOwnershipKind());
+}
+
 /// A map from a ValueOwnershipKind that an operand can accept to a
 /// UseLifetimeConstraint that describes the effect that the operand's use has
 /// on the underlying value. If a ValueOwnershipKind is not in this map then