summaryrefslogtreecommitdiff
path: root/clang/test/Analysis/casts.m
diff options
context:
space:
mode:
Diffstat (limited to 'clang/test/Analysis/casts.m')
-rw-r--r--clang/test/Analysis/casts.m42
1 files changed, 42 insertions, 0 deletions
diff --git a/clang/test/Analysis/casts.m b/clang/test/Analysis/casts.m
new file mode 100644
index 0000000..6f19211
--- /dev/null
+++ b/clang/test/Analysis/casts.m
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -verify %s
+
+// Test function pointer casts. Currently we track function addresses using
+// loc::FunctionVal. Because casts can be arbitrary, do we need to model
+// functions with regions?
+typedef void* (*MyFuncTest1)(void);
+
+MyFuncTest1 test1_aux(void);
+void test1(void) {
+ void *x;
+ void* (*p)(void);
+ p = ((void*) test1_aux());
+ if (p != ((void*) 0)) x = (*p)();
+}
+
+// Test casts from void* to function pointers. Same issue as above:
+// should we eventually model function pointers using regions?
+void* test2(void *p) {
+ MyFuncTest1 fp = (MyFuncTest1) p;
+ return (*fp)();
+}
+
+// <radar://10087620>
+// A cast from int onjective C property reference to int.
+typedef signed char BOOL;
+@protocol NSObject - (BOOL)isEqual:(id)object; @end
+@interface NSObject <NSObject> {} - (id)init; @end
+typedef enum {
+ EEOne,
+ EETwo
+} RDR10087620Enum;
+@interface RDR10087620 : NSObject {
+ RDR10087620Enum elem;
+}
+@property (readwrite, nonatomic) RDR10087620Enum elem;
+@end
+
+static void
+adium_media_ready_cb(RDR10087620 *InObj)
+{
+ InObj.elem |= EEOne;
+}