Merge pull request #62916 from gottesmm/pruned-liveness-boundary

[move-only-addr] Finish field sensitive pruned liveness boundary and use it in the move only address checker.

Author: gottesmm

include/swift/Basic/FrozenMultiMap.h

@@ -259,6 +259,26 @@ class FrozenMultiMap {
       return !pair.second.hasValue();
     });
   }
+
+  typename VectorStorage::iterator vector_begin() {
+    assert(isFrozen() && "Can only call this in map mode");
+    return storage.begin();
+  }
+
+  typename VectorStorage::iterator vector_end() {
+    assert(isFrozen() && "Can only call this in map mode");
+    return storage.end();
+  }
+
+  typename VectorStorage::const_iterator vector_begin() const {
+    assert(isFrozen() && "Can only call this in map mode");
+    return storage.begin();
+  }
+
+  typename VectorStorage::const_iterator vector_end() const {
+    assert(isFrozen() && "Can only call this in map mode");
+    return storage.end();
+  }
 };
 
 template <typename Key, typename Value, typename Storage>

include/swift/SIL/FieldSensitivePrunedLiveness.h

@@ -495,6 +495,8 @@ class SILType {
   SILType getFieldType(VarDecl *field, SILModule &M,
                        TypeExpansionContext context) const;
 
+  SILType getFieldType(VarDecl *field, SILFunction *fn) const;
+
   /// Given that this is an enum type, return the lowered type of the
   /// data for the given element.  Applies substitutions as necessary.
   /// The result will have the same value category as the base type.

include/swift/SIL/SILType.h

@@ -320,6 +320,10 @@ SILType SILType::getFieldType(VarDecl *field, SILModule &M,
   return getFieldType(field, M.Types, context);
 }
 
+SILType SILType::getFieldType(VarDecl *field, SILFunction *fn) const {
+  return getFieldType(field, fn->getModule(), fn->getTypeExpansionContext());
+}
+
 SILType SILType::getEnumElementType(EnumElementDecl *elt, TypeConverter &TC,
                                     TypeExpansionContext context) const {
   assert(elt->getDeclContext() == getEnumOrBoundGenericEnum());