[llvm-commits] CVS: llvm/include/llvm/Analysis/DSGraph.h

[Chris Lattner]

Changes in directory llvm/include/llvm/Analysis:

DSGraph.h updated: 1.1 -> 1.2

---
Log message:

    * Implement fully general merging of array subscripts on demand!  This 
      does not handle the initial pointer index case yet though.


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Diffs of the changes:

Index: llvm/include/llvm/Analysis/DSGraph.h
diff -u llvm/include/llvm/Analysis/DSGraph.h:1.1 llvm/include/llvm/Analysis/DSGraph.h:1.2
--- llvm/include/llvm/Analysis/DSGraph.h:1.1	Tue Oct  1 23:58:12 2002
+++ llvm/include/llvm/Analysis/DSGraph.h	Wed Oct  2 01:24:29 2002
@@ -209,6 +209,18 @@
   ///
   void mergeWith(const DSNodeHandle &NH, unsigned Offset);
 
+  /// mergeIndexes - If we discover that two indexes are equivalent and must be
+  /// merged, this function is used to do the dirty work.
+  ///
+  void mergeIndexes(unsigned idx1, unsigned idx2) {
+    assert(idx1 < getSize() && idx2 < getSize() && "Indexes out of range!");
+    signed char MV1 = MergeMap[idx1];
+    signed char MV2 = MergeMap[idx2];
+    if (MV1 != MV2)
+      mergeMappedValues(MV1, MV2);
+  }
+
+
   /// addGlobal - Add an entry for a global value to the Globals list.  This
   /// also marks the node with the 'G' flag if it does not already have it.
   ///