C++ Modules TS: Add parsing and some semantic analysis support for

export-declarations. These don't yet have an effect on name visibility;
we still export everything by default.

llvm-svn: 280999

1 files changed, 20 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/modules-ts.cppm b/clang/test/CodeGenCXX/modules-ts.cppm
new file mode 100644
index 00000000000..da3bcb2174a
--- /dev/null
+++ b/clang/test/CodeGenCXX/modules-ts.cppm
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -fmodules-ts -std=c++1z -triple=x86_64-linux-gnu -emit-module-interface %s -o %t.pcm
+// RUN: %clang_cc1 -fmodules-ts -std=c++1z -triple=x86_64-linux-gnu %t.pcm -emit-llvm -o - | FileCheck %s
+
+module FooBar;
+
+export {
+  // CHECK-LABEL: define i32 @_Z1fv(
+  int f() { return 0; }
+}
+
+// FIXME: Emit global variables and their initializers with this TU.
+// Emit an initialization function that other TUs can call, with guard variable.
+
+// FIXME: Mangle non-exported symbols so they don't collide with
+// non-exported symbols from other modules?
+
+// FIXME: Formally-internal-linkage symbols that are used from an exported
+// symbol need a mangled name and external linkage.
+
+// FIXME: const-qualified variables don't have implicit internal linkage when owned by a module.