From bd03c50336c8a7774935b5a045f25cd7db9e6db1 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Mon, 7 Dec 2015 16:31:41 +0000
Subject: Link declaration lazily.

We already linked available_externally and linkonce lazily, this just
adds declarations to the list.

llvm-svn: 254917
---
 llvm/lib/Linker/LinkModules.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'llvm/lib/Linker/LinkModules.cpp')

diff --git a/llvm/lib/Linker/LinkModules.cpp b/llvm/lib/Linker/LinkModules.cpp
index a1c3162bf79..8e0904a858b 100644
--- a/llvm/lib/Linker/LinkModules.cpp
+++ b/llvm/lib/Linker/LinkModules.cpp
@@ -1753,6 +1753,9 @@ bool ModuleLinker::linkIfNeeded(GlobalValue &GV) {
        GV.hasAvailableExternallyLinkage()))
     return false;
 
+  if (GV.isDeclaration())
+    return false;
+
   if (const Comdat *SC = GV.getComdat()) {
     bool LinkFromSrc;
     Comdat::SelectionKind SK;
-- 
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