Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 35 insertions, 0 deletions

diff --git a/clang/test/CodeGenObjC/arc-unbridged-cast.m b/clang/test/CodeGenObjC/arc-unbridged-cast.m
new file mode 100644
index 0000000..5ab5d02
--- /dev/null
+++ b/clang/test/CodeGenObjC/arc-unbridged-cast.m
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -emit-llvm  -fobjc-arc -o - %s | FileCheck %s
+// rdar://9744349
+
+typedef const struct __CFString * CFStringRef;
+
+@interface I 
+@property CFStringRef P;
+- (CFStringRef) CFMeth __attribute__((cf_returns_retained));
+- (CFStringRef) newSomething;
+- (CFStringRef) P __attribute__((cf_returns_retained));
+@end
+
+@implementation I
+@synthesize P;
+- (id) Meth {
+    I* p1 = (id)[p1 P];
+    id p2 = (id)[p1 CFMeth];
+    id p3 = (id)[p1 newSomething];
+    return (id) p1.P;
+}
+- (CFStringRef) CFMeth { return 0; }
+- (CFStringRef) newSomething { return 0; }
+- (CFStringRef) P { return 0; }
+- (void) setP : (CFStringRef)arg {}
+@end
+
+// rdar://9544832
+CFStringRef SomeOtherFunc() __attribute__((cf_returns_retained));
+id MMM()
+{
+  id obj = (id)((CFStringRef) __builtin___CFStringMakeConstantString ("" "Some CF String" ""));
+  return 0;
+}
+
+// CHECK-NOT: call i8* @objc_retainAutoreleasedReturnValue