From 70925b05698aa5f393b8718daea2276f2f7f8839 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 8 Nov 2002 22:27:25 +0000
Subject: [PATCH] ONLY merge in the aux call sites, this causes a HUGE speedup

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4640 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/DataStructure/BottomUpClosure.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Analysis/DataStructure/BottomUpClosure.cpp b/lib/Analysis/DataStructure/BottomUpClosure.cpp
index b3396dace96..ec9e0db9e48 100644
--- a/lib/Analysis/DataStructure/BottomUpClosure.cpp
+++ b/lib/Analysis/DataStructure/BottomUpClosure.cpp
@@ -112,7 +112,8 @@ DSGraph &BUDataStructures::calculateGraph(Function &F) {
                   << " in: " << F.getName() << "\n");
 
             // Handle self recursion by resolving the arguments and return value
-            Graph->mergeInGraph(Call, GI, DSGraph::StripAllocaBit);
+            Graph->mergeInGraph(Call, GI, DSGraph::StripAllocaBit |
+                                DSGraph::DontCloneCallNodes);
 
             // Erase the entry in the Callees vector
             Callees.erase(Callees.begin()+c--);