Add the clang library to the repo (with some of my changes, too).

1 files changed, 35 insertions, 0 deletions

diff --git a/clang/test/CodeGen/address-safety-attr.cpp b/clang/test/CodeGen/address-safety-attr.cpp
new file mode 100644
index 0000000..9d0fb95
--- /dev/null
+++ b/clang/test/CodeGen/address-safety-attr.cpp
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - %s -faddress-sanitizer | FileCheck -check-prefix ASAN %s
+
+// The address_safety attribute should be attached to functions
+// when AddressSanitizer is enabled, unless no_address_safety_analysis attribute
+// is present.
+
+// CHECK-NOT:  NoAddressSafety1{{.*}} address_safety
+// ASAN-NOT:  NoAddressSafety1{{.*}} address_safety
+__attribute__((no_address_safety_analysis))
+int NoAddressSafety1(int *a) { return *a; }
+
+// CHECK-NOT:  NoAddressSafety2{{.*}} address_safety
+// ASAN-NOT:  NoAddressSafety2{{.*}} address_safety
+__attribute__((no_address_safety_analysis))
+int NoAddressSafety2(int *a);
+int NoAddressSafety2(int *a) { return *a; }
+
+// CHECK-NOT:  AddressSafetyOk{{.*}} address_safety
+// ASAN: AddressSafetyOk{{.*}} address_safety
+int AddressSafetyOk(int *a) { return *a; }
+
+// CHECK-NOT:  TemplateNoAddressSafety{{.*}} address_safety
+// ASAN-NOT: TemplateNoAddressSafety{{.*}} address_safety
+template<int i>
+__attribute__((no_address_safety_analysis))
+int TemplateNoAddressSafety() { return i; }
+
+// CHECK-NOT:  TemplateAddressSafetyOk{{.*}} address_safety
+// ASAN: TemplateAddressSafetyOk{{.*}} address_safety
+template<int i>
+int TemplateAddressSafetyOk() { return i; }
+
+int force_instance = TemplateAddressSafetyOk<42>()
+                   + TemplateNoAddressSafety<42>();