vendor/clang/clang-trunk-r161861

1 files changed, 213 insertions, 0 deletions

diff --git a/test/Analysis/traversal-algorithm.mm b/test/Analysis/traversal-algorithm.mm
new file mode 100644
index 0000000000000..8a3dc8b3a2225
--- /dev/null
+++ b/test/Analysis/traversal-algorithm.mm
@@ -0,0 +1,213 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=debug.DumpTraversal -analyzer-max-loop 4 -std=c++11 %s | FileCheck -check-prefix=DFS %s
+
+int a();
+int b();
+int c();
+
+int work();
+
+void test(id input) {
+  if (a()) {
+    if (a())
+      b();
+    else
+      c();
+  } else {
+    if (b())
+      a();
+    else
+      c();
+  }
+
+  if (a())
+    work();
+}
+
+void testLoops(id input) {
+  while (a()) {
+    work();
+    work();
+    work();
+  }
+
+  for (int i = 0; i != b(); ++i) {
+    work();
+  }
+
+  for (id x in input) {
+    work();
+    work();
+    work();
+  }
+
+  int z[] = {1,2,3};
+  for (int y : z) {
+    work();
+    work();
+    work();
+  }
+}
+
+// This ordering assumes that false cases happen before the true cases.
+
+// DFS:27 WhileStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:27 WhileStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:27 WhileStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:27 WhileStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:33 ForStmt
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:44 CXXForRangeStmt
+// DFS-next:--END PATH--
+// DFS-next:37 ObjCForCollectionStmt
+// DFS-next:10 IfStmt
+// DFS-next:16 IfStmt
+// DFS-next:22 IfStmt
+// DFS-next:--END PATH--
+// DFS-next:--END PATH--
+// DFS-next:22 IfStmt
+// DFS-next:--END PATH--
+// DFS-next:--END PATH--
+// DFS-next:11 IfStmt
+// DFS-next:22 IfStmt
+// DFS-next:--END PATH--
+// DFS-next:--END PATH--
+// DFS-next:22 IfStmt
+// DFS-next:--END PATH--
+// DFS-next:--END PATH--
+