From: Chris Lattner <sabre@nondot.org>
Date: Wed, 2 Sep 2009 04:34:06 +0000 (+0000)
Subject: one more try at making this simpler, hopefully it won't break everything :)
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b8bcbd61a8a8ea3960da47734579150f514abfbb;p=oota-llvm.git

one more try at making this simpler, hopefully it won't break everything :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80759 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/IPA/CallGraphSCCPass.cpp b/lib/Analysis/IPA/CallGraphSCCPass.cpp
index d21e0316828..25964b2cd8c 100644
--- a/lib/Analysis/IPA/CallGraphSCCPass.cpp
+++ b/lib/Analysis/IPA/CallGraphSCCPass.cpp
@@ -178,11 +178,11 @@ void CGPassManager::RefreshCallGraph(std::vector<CallGraphNode*> &CurSCC,
                "CallGraphSCCPass did not update the CallGraph correctly!");
         
         // Just remove the edge from the set of callees.
-        bool wasLast = I + 1 == E;
         CGN->removeCallEdge(I);
-        if (wasLast)
-          // I is now a singular iterator, do not compare with E.
-          break;
+        
+        // If we removed the last edge, get out of the loop.
+        if (CGN->empty()) break;
+        
         E = CGN->end();
         continue;
       }