[cfe-commits] r72225 - in /cfe/trunk: lib/Sema/SemaExprObjC.cpp test/SemaObjC/nsobject-attribute-1.m

[Fariborz Jahanian]

Author: fjahanian
Date: Thu May 21 16:04:28 2009
New Revision: 72225

URL: http://llvm.org/viewvc/llvm-project?rev=72225&view=rev
Log:
Fixed a warning bug when receiver is an object via
setting of NSObject attribute.

Added:
    cfe/trunk/test/SemaObjC/nsobject-attribute-1.m
Modified:
    cfe/trunk/lib/Sema/SemaExprObjC.cpp

Modified: cfe/trunk/lib/Sema/SemaExprObjC.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExprObjC.cpp?rev=72225&r1=72224&r2=72225&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaExprObjC.cpp (original)
+++ cfe/trunk/lib/Sema/SemaExprObjC.cpp Thu May 21 16:04:28 2009
@@ -506,7 +506,8 @@
 
   // Handle messages to id.
   if (ReceiverCType == Context.getCanonicalType(Context.getObjCIdType()) ||
-      ReceiverCType->isBlockPointerType()) {
+      ReceiverCType->isBlockPointerType() ||
+      Context.isObjCNSObjectType(RExpr->getType())) {
     ObjCMethodDecl *Method = LookupInstanceMethodInGlobalPool(
                                Sel, SourceRange(lbrac,rbrac));
     if (!Method)

Added: cfe/trunk/test/SemaObjC/nsobject-attribute-1.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaObjC/nsobject-attribute-1.m?rev=72225&view=auto

==============================================================================
--- cfe/trunk/test/SemaObjC/nsobject-attribute-1.m (added)
+++ cfe/trunk/test/SemaObjC/nsobject-attribute-1.m Thu May 21 16:04:28 2009
@@ -0,0 +1,48 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+ at interface NSObject
+- (id)self;
+- (id)copy;
+ at end
+
+typedef struct _foo  *__attribute__((NSObject)) Foo_ref;
+
+ at interface TestObject {
+    Foo_ref dict;
+}
+ at property(retain) Foo_ref dict;
+ at end
+
+ at implementation TestObject
+ at synthesize dict;
+ at end
+
+ at interface NSDictionary
+- (int)retainCount;
+ at end
+
+int main(int argc, char *argv[]) {
+    NSDictionary *dictRef;
+    Foo_ref foo = (Foo_ref)dictRef;
+
+    // do Properties retain?
+    int before = [dictRef retainCount];
+    int after = [dictRef retainCount];
+
+    if ([foo retainCount] != [dictRef retainCount]) {
+    }
+
+    // do Blocks retain?
+    {
+        void (^block)(void) = ^{
+            [foo self];
+        };
+        before = [foo retainCount];
+        id save = [block copy];
+        after = [foo retainCount];
+        if (after <= before) {
+            ;
+        }
+    }
+    return 0;
+}