vendor/clang/clang-r72732

1 files changed, 22 insertions, 0 deletions

diff --git a/test/Analysis/casts.m b/test/Analysis/casts.m
new file mode 100644
index 0000000000000..82c29fac904f3
--- /dev/null
+++ b/test/Analysis/casts.m
@@ -0,0 +1,22 @@
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic --verify %s &&
+// RUN: clang-cc -analyze -checker-cfref -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)();
+}