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

[Chris Lattner]

Changes in directory llvm/lib/Analysis/DataStructure:

DataStructure.cpp updated: 1.121 -> 1.122

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Log message:

Remove trivially dead nodes was not removing nodes that were dead due to forwarding!


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Diffs of the changes:

Index: llvm/lib/Analysis/DataStructure/DataStructure.cpp
diff -u llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.121 llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.122
--- llvm/lib/Analysis/DataStructure/DataStructure.cpp:1.121	Sat Sep 20 11:34:11 2003
+++ llvm/lib/Analysis/DataStructure/DataStructure.cpp	Sat Sep 20 16:34:07 2003
@@ -1228,6 +1228,20 @@
   removeIdenticalCalls(FunctionCalls);
   removeIdenticalCalls(AuxFunctionCalls);
 
+  // Loop over all of the nodes in the graph, calling getNode on each field.
+  // This will cause all nodes to update their forwarding edges, causing
+  // forwarded nodes to be delete-able.
+  for (unsigned i = 0, e = Nodes.size(); i != e; ++i) {
+    DSNode *N = Nodes[i];
+    for (unsigned l = 0, e = N->getNumLinks(); l != e; ++l)
+      N->getLink(l*N->getPointerSize()).getNode();
+  }
+
+  // Likewise, forward any edges from the scalar nodes...
+  for (ScalarMapTy::iterator I = ScalarMap.begin(), E = ScalarMap.end();
+       I != E; ++I)
+    I->second.getNode();
+
   bool isGlobalsGraph = !GlobalsGraph;
 
   for (unsigned i = 0; i != Nodes.size(); ++i) {