Import Clang, at r72732.

1 files changed, 21 insertions, 0 deletions

diff --git a/test/Analysis/complex.c b/test/Analysis/complex.c
new file mode 100644
index 0000000..f29fc70
--- /dev/null
+++ b/test/Analysis/complex.c
@@ -0,0 +1,21 @@
+// RUN: clang-cc -analyze -checker-simple -analyzer-store=basic -analyzer-constraints=basic -verify %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic -analyzer-constraints=basic -verify %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic -analyzer-constraints=range -verify %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region -analyzer-constraints=basic -verify %s &&
+// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region -analyzer-constraints=range -verify %s
+
+#include <stdint.h>
+
+int f1(int * p) {
+  
+  // This branch should be infeasible
+  // because __imag__ p is 0.
+  if (!p && __imag__ (intptr_t) p)
+    *p = 1; // no-warning
+
+  // If p != 0 then this branch is feasible; otherwise it is not.
+  if (__real__ (intptr_t) p)
+    *p = 1; // no-warning
+    
+  *p = 2; // expected-warning{{Dereference of null pointer}}
+}