Merge pull request swiftlang#76515 from swiftlang/egorzhdan/scs-reduce-unsafe

[cxx-interop][SwiftCompilerSources] Reduce the number of `SWIFT_IMPORT_UNSAFE` attributes

Author: egorzhdan

include/swift/SIL/SILBridging.h

@@ -634,8 +634,8 @@ struct BridgedFunction {
   };
 
   SWIFT_NAME("init(obj:)")
-  SWIFT_IMPORT_UNSAFE BridgedFunction(SwiftObject obj) : obj(obj) {}
-  SWIFT_IMPORT_UNSAFE BridgedFunction() {}
+  BridgedFunction(SwiftObject obj) : obj(obj) {}
+  BridgedFunction() {}
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE swift::SILFunction * _Nonnull getFunction() const;
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedStringRef getName() const;
   BridgedOwnedString getDebugDescription() const;
@@ -940,7 +940,7 @@ struct BridgedInstruction {
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedGlobalVar GlobalAccessInst_getGlobal() const;
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedGlobalVar AllocGlobalInst_getGlobal() const;
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedFunction FunctionRefBaseInst_getReferencedFunction() const;
-  SWIFT_IMPORT_UNSAFE BRIDGED_INLINE OptionalInt IntegerLiteralInst_getValue() const;
+  BRIDGED_INLINE OptionalInt IntegerLiteralInst_getValue() const;
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedStringRef StringLiteralInst_getValue() const;
   BRIDGED_INLINE int StringLiteralInst_getEncoding() const;
   BRIDGED_INLINE SwiftInt TupleExtractInst_fieldIndex() const;

include/swift/SIL/SILLocation.h

@@ -766,7 +766,6 @@ class SILDebugLocation {
   bool isAutoGenerated() const { return location.isAutoGenerated(); }
   operator bool() const { return bool(location) && debugScope; }
 
-  SWIFT_IMPORT_UNSAFE
   SILDebugLocation getAutogeneratedLocation() const {
     SILDebugLocation autoGenLoc(RegularLocation::getAutoGeneratedLocation(), getScope());
     return autoGenLoc;
@@ -784,7 +783,7 @@ class SILDebugLocation {
   static SILDebugLocation getArtificialUnreachableLocation() {
     return SILDebugLocation(ArtificialUnreachableLocation(), nullptr);
   }
-};
+} SWIFT_SELF_CONTAINED;
 
 } // end swift namespace
 

include/swift/SIL/SILType.h

@@ -243,19 +243,16 @@ class SILType {
 
   /// Retrieve the ClassDecl for a type that maps to a Swift class or
   /// bound generic class type.
-  SWIFT_IMPORT_UNSAFE
   ClassDecl *getClassOrBoundGenericClass() const {
     return getASTType().getClassOrBoundGenericClass();
   }
   /// Retrieve the StructDecl for a type that maps to a Swift struct or
   /// bound generic struct type.
-  SWIFT_IMPORT_UNSAFE
   StructDecl *getStructOrBoundGenericStruct() const {
     return getASTType().getStructOrBoundGenericStruct();
   }
   /// Retrieve the EnumDecl for a type that maps to a Swift enum or
   /// bound generic enum type.
-  SWIFT_IMPORT_UNSAFE
   EnumDecl *getEnumOrBoundGenericEnum() const {
     return getASTType().getEnumOrBoundGenericEnum();
   }
@@ -286,15 +283,13 @@ class SILType {
 
   bool isBuiltinBridgeObject() const { return is<BuiltinBridgeObjectType>(); }
 
-  SWIFT_IMPORT_UNSAFE
   SILType getBuiltinVectorElementType() const {
     auto vector = castTo<BuiltinVectorType>();
     return getPrimitiveObjectType(vector.getElementType());
   }
 
   /// Retrieve the NominalTypeDecl for a type that maps to a Swift
   /// nominal or bound generic nominal type.
-  SWIFT_IMPORT_UNSAFE
   NominalTypeDecl *getNominalOrBoundGenericNominal() const {
     return getASTType().getNominalOrBoundGenericNominal();
   }