1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGenCXX/runtimecc.cpp b/test/CodeGenCXX/runtimecc.cpp
new file mode 100644
index 0000000..66d3f41
--- /dev/null
+++ b/test/CodeGenCXX/runtimecc.cpp
@@ -0,0 +1,53 @@
+// RUN: %clang_cc1 %s -triple=armv7-apple-darwin10 -emit-llvm -o - -fexceptions -fcxx-exceptions | FileCheck %s
+
+// Check that we annotate all compiler-synthesized runtime calls and
+// functions with the actual ABI-determined CC.  This usually doesn't
+// matter as long as we're internally consistent (and the LLVM-default
+// CC is consistent with the real one), but it's possible for user
+// translation units to define these runtime functions (or, equivalently,
+// for us to get LTO'ed with such a translation unit), and then the
+// mismatch will kill us.
+//
+// rdar://12818655
+
+// CHECK: [[A:%.*]] = type { double }
+
+namespace test0 {
+  struct A {
+    double d;
+    A();
+    ~A();
+  };
+
+  A global;
+// CHECK:    define internal arm_aapcscc void @__cxx_global_var_init()
+// CHECK:      call arm_aapcscc [[A]]* @_ZN5test01AC1Ev([[A]]* @_ZN5test06globalE)
+// CHECK-NEXT: call arm_aapcscc i32 @__cxa_atexit(void (i8*)* bitcast ([[A]]* ([[A]]*)* @_ZN5test01AD1Ev to void (i8*)*), i8* bitcast ([[A]]* @_ZN5test06globalE to i8*), i8* @__dso_handle) [[NOUNWIND:#[0-9]+]]
+// CHECK-NEXT: ret void
+}
+
+// CHECK: declare arm_aapcscc i32 @__cxa_atexit(void (i8*)*, i8*, i8*) [[NOUNWIND]]
+
+namespace test1 {
+  void test() {
+    throw 0;
+  }
+
+// CHECK:    define arm_aapcscc void @_ZN5test14testEv()
+// CHECK:      [[T0:%.*]] = call arm_aapcscc i8* @__cxa_allocate_exception(i32 4) [[NOUNWIND]]
+// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i32*
+// CHECK-NEXT: store i32 0, i32* [[T1]]
+// CHECK-NEXT: call arm_aapcscc void @__cxa_throw(i8* [[T0]], i8* bitcast (i8** @_ZTIi to i8*), i8* null) [[NORETURN:#[0-9]+]]
+// CHECK-NEXT: unreachable
+}
+
+// CHECK: declare arm_aapcscc i8* @__cxa_allocate_exception(i32)
+
+// CHECK: declare arm_aapcscc void @__cxa_throw(i8*, i8*, i8*)
+
+// CHECK: define internal arm_aapcscc void @_GLOBAL__I_a()
+// CHECK:   call arm_aapcscc void @__cxx_global_var_init()
+
+
+// CHECK: attributes [[NOUNWIND]] = { nounwind }
+// CHECK: attributes [[NORETURN]] = { noreturn }