Teach RetainCountChecker that CFPlugInInstanceCreate does not

return a CF object at all.

Fixes <rdar://problem/9566345>

llvm-svn: 163362

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/test/Analysis/retain-release.m b/clang/test/Analysis/retain-release.m
index 9d2aa756b28..3a9649c7412 100644
--- a/clang/test/Analysis/retain-release.m
+++ b/clang/test/Analysis/retain-release.m
@@ -303,6 +303,10 @@ extern CGColorSpaceRef CGColorSpaceCreateDeviceRGB(void);
 // This is how NSMakeCollectable is declared in the OS X 10.8 headers.
 id NSMakeCollectable(CFTypeRef __attribute__((cf_consumed))) __attribute__((ns_returns_retained));
 
+typedef const struct __CFUUID * CFUUIDRef;
+
+extern
+void *CFPlugInInstanceCreate(CFAllocatorRef allocator, CFUUIDRef factoryUUID, CFUUIDRef typeUUID);
 
 //===----------------------------------------------------------------------===//
 // Test cases.
@@ -1907,3 +1911,11 @@ void test_custom_cf() {
   MyCFType x = CreateMyCFType(); // expected-warning {{leak of an object stored into 'x'}}
 }
 
+//===----------------------------------------------------------------------===//
+// Test calling CFPlugInInstanceCreate, which appears in CF but doesn't
+// return a CF object.
+//===----------------------------------------------------------------------===//
+
+void test_CFPlugInInstanceCreate(CFUUIDRef factoryUUID, CFUUIDRef typeUUID) {
+  CFPlugInInstanceCreate(kCFAllocatorDefault, factoryUUID, typeUUID); // no-warning
+}