[llvm-commits] CVS: llvm/lib/Analysis/DataStructure/DataStructure.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis/DataStructure:

DataStructure.cpp updated: 1.148 -> 1.149

---
Log message:

There is no need to clone over nodes that are going to be dead anyway


---
Diffs of the changes:  (+5 -3)

Index: llvm/lib/Analysis/DataStructure/DataStructure.cpp
diff -u llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.148 llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.149
--- llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.148	Thu Jan 29 02:36:22 2004
+++ llvm/lib/Analysis/DataStructure/DataStructure.cpp	Sat Feb  7 16:00:03 2004
@@ -1112,9 +1112,11 @@
   BitsToClear |= DSNode::DEAD;  // Clear dead flag...
   for (unsigned i = 0, e = G.Nodes.size(); i != e; ++i) {
     DSNode *Old = G.Nodes[i];
-    DSNode *New = new DSNode(*Old, this);
-    New->maskNodeTypes(~BitsToClear);
-    OldNodeMap[Old] = New;
+    if (!Old->isForwarding()) {
+      DSNode *New = new DSNode(*Old, this);
+      New->maskNodeTypes(~BitsToClear);
+      OldNodeMap[Old] = New;
+    }
   }
 #ifndef NDEBUG
   Timer::addPeakMemoryMeasurement();