Grab bag of Microsoft Mangler fixes:

- Support mangling virtual function tables (base tables need work on the
  ManglerContext interface).
- Correct mangling of local scopes (i.e. functions and C++ methods).
- Replace every llvm_unreachable() for actually-reachable code with a
  diagnostic.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158376 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/test/CodeGenCXX/mangle-ms-abi-examples.cpp b/test/CodeGenCXX/mangle-ms-abi-examples.cpp
new file mode 100644
index 0000000000..d6726cab0d
--- /dev/null
+++ b/test/CodeGenCXX/mangle-ms-abi-examples.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -fms-extensions -fno-rtti -emit-llvm %s -o - -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s
+
+// CHECK: @"\01??_7D@C@?1??foo@@YAXXZ@6B@" =
+// CHECK: @"\01??_7B@?1??foo@A@@QAEXH@Z@6B@" =
+// CHECK: define {{.*}} @"\01?baz@E@?3??bar@C@?1??foo@@YAXXZ@QAEXXZ@QAEXXZ"(
+
+// Microsoft Visual C++ ABI examples.
+struct A {
+  void foo (int) {
+    struct B { virtual ~B() {} };
+    B();
+  }
+};
+void foo () {
+  struct C {
+    struct D { virtual ~D() {} };
+    void bar () {
+      struct E {
+        void baz() { }
+      };
+      E().baz();
+    }
+  };
+  A().foo(0);
+  C::D();
+  C().bar();
+}
+