[analyzer]Malloc,RetainRelease: Allow pointer to escape via NSMapInsert.
Fixes a false positive (radar://11152419). The current solution of
adding the info into 3 places is quite ugly. Pending a generic pointer
escapes callback.
llvm-svn: 153731
diff --git a/clang/test/Analysis/malloc.mm b/clang/test/Analysis/malloc.mm
index fe14ede..d2409ac 100644
--- a/clang/test/Analysis/malloc.mm
+++ b/clang/test/Analysis/malloc.mm
@@ -106,6 +106,25 @@
myBlock(3);
}
+// Test NSMapInsert.
+@interface NSMapTable : NSObject <NSCopying, NSCoding, NSFastEnumeration>
+@end
+extern void *NSMapGet(NSMapTable *table, const void *key);
+extern void NSMapInsert(NSMapTable *table, const void *key, const void *value);
+extern void NSMapInsertKnownAbsent(NSMapTable *table, const void *key, const void *value);
+char *strdup(const char *s);
+
+NSString * radar11152419(NSString *string1, NSMapTable *map) {
+ const char *strkey = "key";
+ NSString *string = ( NSString *)NSMapGet(map, strkey);
+ if (!string) {
+ string = [string1 copy];
+ NSMapInsert(map, strdup(strkey), (void*)string); // no warning
+ NSMapInsertKnownAbsent(map, strdup(strkey), (void*)string); // no warning
+ }
+ return string;
+}
+
// Test that we handle pointer escaping through OSAtomicEnqueue.
typedef volatile struct {
void *opaque1;