AST: Remove TypeBase::getAnyExistentialTypeProtocols()

The last usages were in IRGen and they're now gone.

Author: slavapestov

include/swift/AST/Type.h

@@ -353,8 +353,6 @@ class CanType : public Type {
   static bool isAnyExistentialTypeImpl(CanType type);
   static void getExistentialTypeProtocolsImpl(CanType type,
                                     SmallVectorImpl<ProtocolDecl*> &protocols);
-  static void getAnyExistentialTypeProtocolsImpl(CanType type,
-                                    SmallVectorImpl<ProtocolDecl*> &protocols);
   static bool isObjCExistentialTypeImpl(CanType type);
   static CanType getAnyOptionalObjectTypeImpl(CanType type,
                                               OptionalTypeKind &kind);
@@ -413,11 +411,6 @@ class CanType : public Type {
   void getExistentialTypeProtocols(
       SmallVectorImpl<ProtocolDecl *> &protocols);
 
-  /// Given that this type is any kind of existential, return its
-  /// protocols in a canonical order.
-  void getAnyExistentialTypeProtocols(
-      SmallVectorImpl<ProtocolDecl *> &protocols);
-
   /// Break an existential down into a set of constraints.
   ExistentialLayout getExistentialLayout();
 

include/swift/AST/Types.h

@@ -590,10 +590,6 @@ class alignas(1 << TypeAlignInBits) TypeBase {
   /// its list of protocols.
   void getExistentialTypeProtocols(SmallVectorImpl<ProtocolDecl *> &protocols);
 
-  /// Given that this type is any kind of existential type, produce
-  /// its list of protocols.
-  void getAnyExistentialTypeProtocols(SmallVectorImpl<ProtocolDecl *> &protocols);
-
   /// Break an existential down into a set of constraints.
   ExistentialLayout getExistentialLayout();
 

lib/AST/Type.cpp

@@ -213,11 +213,6 @@ void TypeBase::getExistentialTypeProtocols(
   getCanonicalType().getExistentialTypeProtocols(protocols);
 }
 
-void TypeBase::getAnyExistentialTypeProtocols(
-                                   SmallVectorImpl<ProtocolDecl*> &protocols) {
-  getCanonicalType().getAnyExistentialTypeProtocols(protocols);
-}
-
 void CanType::getExistentialTypeProtocols(
                                    SmallVectorImpl<ProtocolDecl*> &protocols) {
   // FIXME: Remove this completely
@@ -229,16 +224,6 @@ void CanType::getExistentialTypeProtocols(
     protocols.push_back(proto->getDecl());
 }
 
-void CanType::getAnyExistentialTypeProtocols(
-                                   SmallVectorImpl<ProtocolDecl*> &protocols) {
-  if (auto metatype = dyn_cast<ExistentialMetatypeType>(*this)) {
-      metatype.getInstanceType().getAnyExistentialTypeProtocols(protocols);
-      return;
-  }
-
-  getExistentialTypeProtocols(protocols);
-}
-
 ExistentialLayout::ExistentialLayout(ProtocolType *type) {
   assert(type->isCanonical());