1 files changed, 84 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/guard_nocf.cpp b/clang/test/CodeGenCXX/guard_nocf.cpp
new file mode 100644
index 00000000000..3dc5c50b6bf
--- /dev/null
+++ b/clang/test/CodeGenCXX/guard_nocf.cpp
@@ -0,0 +1,84 @@
+// RUN: %clang_cc1 -triple %ms_abi_triple -fms-extensions -std=c++11 -emit-llvm -O2 -o - %s | FileCheck %s
+
+void target_func();
+void (*func_ptr)() = &target_func;
+
+// The "guard_nocf" attribute must be added.
+__declspec(guard(nocf)) void nocf0() {
+  (*func_ptr)();
+}
+// CHECK-LABEL: nocf0
+// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
+
+// The "guard_nocf" attribute must *not* be added.
+void cf0() {
+  (*func_ptr)();
+}
+// CHECK-LABEL: cf0
+// CHECK: call{{.*}}[[CF:#[0-9]+]]
+
+// If the modifier is present on either the function declaration or definition,
+// the "guard_nocf" attribute must be added.
+__declspec(guard(nocf)) void nocf1();
+void nocf1() {
+  (*func_ptr)();
+}
+// CHECK-LABEL: nocf1
+// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
+
+void nocf2();
+__declspec(guard(nocf)) void nocf2() {
+  (*func_ptr)();
+}
+// CHECK-LABEL: nocf2
+// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
+
+// When inlining a function, the "guard_nocf" attribute on indirect calls must
+// be preserved.
+void nocf3() {
+  nocf0();
+}
+// CHECK-LABEL: nocf3
+// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
+
+// When inlining into a function marked as __declspec(guard(nocf)), the
+// "guard_nocf" attribute must *not* be added to the inlined calls.
+__declspec(guard(nocf)) void cf1() {
+  cf0();
+}
+// CHECK-LABEL: cf1
+// CHECK: call{{.*}}[[CF:#[0-9]+]]
+
+// When the __declspec(guard(nocf)) modifier is present on an override function,
+// the "guard_nocf" attribute must be added.
+struct Base {
+  virtual void nocf4();
+};
+
+struct Derived : Base {
+  __declspec(guard(nocf)) void nocf4() override {
+    (*func_ptr)();
+  }
+};
+Derived d;
+// CHECK-LABEL: nocf4
+// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
+
+// When the modifier is not present on an override function, the "guard_nocf"
+// attribute must *not* be added, even if the modifier is present on the virtual
+// function.
+struct Base1 {
+  __declspec(guard(nocf)) virtual void cf2();
+};
+
+struct Derived1 : Base1 {
+  void cf2() override {
+    (*func_ptr)();
+  }
+};
+Derived1 d1;
+// CHECK-LABEL: cf2
+// CHECK: call{{.*}}[[CF:#[0-9]+]]
+
+// CHECK: attributes [[NOCF]] = { {{.*}}"guard_nocf"{{.*}} }
+// CHECK-NOT: attributes [[CF]] = { {{.*}}"guard_nocf"{{.*}} }