Reapply "Define a module map entry for DebugInfo/CodeView."

This reapplies r274313 with two additional #include directives needed
when submodule visibility is enabled.

Fixes PR28384.

llvm-svn: 274358

llvm/include/llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h

@@ -12,6 +12,8 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"
+#include "llvm/DebugInfo/CodeView/CVRecord.h"
+#include "llvm/DebugInfo/CodeView/TypeRecord.h"
 #include "llvm/Support/Error.h"
 
 namespace llvm {
@@ -58,4 +60,4 @@ public:
 }
 }
 
-#endif
+#endif

llvm/include/llvm/module.modulemap

@@ -84,6 +84,17 @@ module LLVM_DebugInfo_PDB_DIA {
   module * { export * }
 }
 
+module LLVM_DebugInfo_CodeView {
+  requires cplusplus
+
+  umbrella "DebugInfo/CodeView"
+  module * { export * }
+
+  // These are intended for (repeated) textual inclusion.
+  textual header "DebugInfo/CodeView/TypeRecords.def"
+  textual header "DebugInfo/CodeView/CVSymbolTypes.def"
+}
+
 module LLVM_ExecutionEngine {
   requires cplusplus