From 7389acda89a2c4e99e09057f5265dc56d7f2a31a Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Fri, 23 Mar 2012 07:18:22 +0000
Subject: Dematerialize the source functions after we're done with them. This
 saves a bit of memory during LTO.

llvm-svn: 153313
---
 llvm/lib/Linker/LinkModules.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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

diff --git a/llvm/lib/Linker/LinkModules.cpp b/llvm/lib/Linker/LinkModules.cpp
index 02905bc3397..dca523c7ab1 100644
--- a/llvm/lib/Linker/LinkModules.cpp
+++ b/llvm/lib/Linker/LinkModules.cpp
@@ -1226,6 +1226,7 @@ bool ModuleLinker::run() {
     }
     
     linkFunctionBody(cast<Function>(ValueMap[SF]), SF);
+    SF->Dematerialize();
   }
 
   // Resolve all uses of aliases with aliasees.
@@ -1265,7 +1266,8 @@ bool ModuleLinker::run() {
         
         // Link in function body.
         linkFunctionBody(DF, SF);
-        
+        SF->Dematerialize();
+
         // "Remove" from vector by setting the element to 0.
         *I = 0;
         
-- 
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