From 9218a3bf04ef8f75937b07cae1df7e3c71c8c88f Mon Sep 17 00:00:00 2001
From: Ekaterina Romanova <katya_romanova@playstation.sony.com>
Date: Thu, 10 Dec 2015 18:52:50 +0000
Subject: Do not generate DW_TAG_imported_module for anonymous namespaces (even
 nested) for all the platforms except PS4. For PS4, generate explicit import
 for anonymous namespaces and mark it by DW_AT_artificial attribute.

Differential Revision: http://reviews.llvm.org/D12624

llvm-svn: 255281
---
 clang/lib/CodeGen/CGDebugInfo.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'clang/lib/CodeGen/CGDebugInfo.cpp')

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index ff6388bd1a3..29ebfc62389 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -3408,10 +3408,14 @@ llvm::DIScope *CGDebugInfo::getCurrentContextDescriptor(const Decl *D) {
 void CGDebugInfo::EmitUsingDirective(const UsingDirectiveDecl &UD) {
   if (CGM.getCodeGenOpts().getDebugInfo() < CodeGenOptions::LimitedDebugInfo)
     return;
-  DBuilder.createImportedModule(
-      getCurrentContextDescriptor(cast<Decl>(UD.getDeclContext())),
-      getOrCreateNameSpace(UD.getNominatedNamespace()),
-      getLineNumber(UD.getLocation()));
+  const NamespaceDecl *NSDecl = UD.getNominatedNamespace();
+  if (!NSDecl->isAnonymousNamespace() || 
+      CGM.getCodeGenOpts().DebugExplicitImport) { 
+    DBuilder.createImportedModule(
+        getCurrentContextDescriptor(cast<Decl>(UD.getDeclContext())),
+        getOrCreateNameSpace(NSDecl),
+        getLineNumber(UD.getLocation()));
+  }
 }
 
 void CGDebugInfo::EmitUsingDecl(const UsingDecl &UD) {
-- 
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