[llvm-commits] [poolalloc] r57600 - /poolalloc/trunk/lib/DSA/DataStructure.cpp

[Andrew Lenharth]

Author: alenhar2
Date: Wed Oct 15 15:42:07 2008
New Revision: 57600

URL: http://llvm.org/viewvc/llvm-project?rev=57600&view=rev
Log:
cbu now can expand GlobalEC sets

Modified:
    poolalloc/trunk/lib/DSA/DataStructure.cpp

Modified: poolalloc/trunk/lib/DSA/DataStructure.cpp
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/lib/DSA/DataStructure.cpp?rev=57600&r1=57599&r2=57600&view=diff

==============================================================================
--- poolalloc/trunk/lib/DSA/DataStructure.cpp (original)
+++ poolalloc/trunk/lib/DSA/DataStructure.cpp Wed Oct 15 15:42:07 2008
@@ -2779,8 +2779,11 @@
     if (I->getGlobalsList().size() <= 1) continue;
 
     // First, build up the equivalence set for this block of globals.
-    DSNode::globals_iterator i = I->globals_begin();
-    const GlobalValue *First = *i++;
+    DSNode::globals_iterator i = I->globals_begin(); 
+    const GlobalValue *First = *i;
+    if (GlobalECs.findValue(*i) != GlobalECs.end())
+      First = GlobalECs.getLeaderValue(*i);
+    if (*i == First) ++i;
     for( ; i != I->globals_end(); ++i) {
       GlobalECs.unionSets(First, *i);
       ECGlobals.insert(*i);