commit 4e7f00c74487bca84993a1f35d0a26a84ed2b1a0
author Fariborz Jahanian <fjahanian@apple.com> Fri Oct 25 21:44:50 2013 +0000
committer Fariborz Jahanian <fjahanian@apple.com> Fri Oct 25 21:44:50 2013 +0000
tree 2d00120c4b90c7f1a4b200eac58999059b1a6d97
parent 73e9431d545cdbb8b61d1c9e7930832162e6011f

ObjectiveC: under -Wunused-property-ivar warn if property's
backing warning is not used in one of its accessor methods.
// rdar://14989999


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193439 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/ASTDumper.cpp

diff --git a/lib/AST/ASTDumper.cpp b/lib/AST/ASTDumper.cpp
index b869aff..68d3c0c 100644
--- a/lib/AST/ASTDumper.cpp
+++ b/lib/AST/ASTDumper.cpp
@@ -1241,6 +1241,8 @@
   dumpType(D->getType());
   if (D->getSynthesize())
     OS << " synthesize";
+  if (D->getBackingIvarReferencedInAccessor())
+    OS << " BackingIvarReferencedInAccessor";
 
   switch (D->getAccessControl()) {
   case ObjCIvarDecl::None:

lib/AST/ASTImporter.cpp

diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 4e49ba3..876af1e 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -3017,7 +3017,8 @@
                                        Importer.Import(D->getInnerLocStart()),
                                               Loc, Name.getAsIdentifierInfo(),
                                               T, TInfo, D->getAccessControl(),
-                                              BitWidth, D->getSynthesize());
+                                              BitWidth, D->getSynthesize(),
+                                              D->getBackingIvarReferencedInAccessor());
   ToIvar->setLexicalDeclContext(LexicalDC);
   Importer.Imported(D, ToIvar);
   LexicalDC->addDeclInternal(ToIvar);

lib/AST/DeclObjC.cpp

diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index 4ad70f1..b2b5b70 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -1325,7 +1325,8 @@
                                    SourceLocation IdLoc, IdentifierInfo *Id,
                                    QualType T, TypeSourceInfo *TInfo,
                                    AccessControl ac, Expr *BW,
-                                   bool synthesized) {
+                                   bool synthesized,
+                                   bool backingIvarReferencedInAccessor) {
   if (DC) {
     // Ivar's can only appear in interfaces, implementations (via synthesized
     // properties), and class extensions (via direct declaration, or synthesized
@@ -1353,13 +1354,13 @@
   }
 
   return new (C) ObjCIvarDecl(DC, StartLoc, IdLoc, Id, T, TInfo,
-                              ac, BW, synthesized);
+                              ac, BW, synthesized, backingIvarReferencedInAccessor);
 }
 
 ObjCIvarDecl *ObjCIvarDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
   void *Mem = AllocateDeserializedDecl(C, ID, sizeof(ObjCIvarDecl));
   return new (Mem) ObjCIvarDecl(0, SourceLocation(), SourceLocation(), 0,
-                                QualType(), 0, ObjCIvarDecl::None, 0, false);
+                                QualType(), 0, ObjCIvarDecl::None, 0, false, false);
 }
 
 const ObjCInterfaceDecl *ObjCIvarDecl::getContainingInterface() const {