[llvm-commits] [llvm] r97459 - /llvm/trunk/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp

[Dan Gohman]

Author: djg
Date: Mon Mar  1 11:56:04 2010
New Revision: 97459

URL: http://llvm.org/viewvc/llvm-project?rev=97459&view=rev
Log:
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Modified:
    llvm/trunk/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp

Modified: llvm/trunk/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp?rev=97459&r1=97458&r2=97459&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp Mon Mar  1 11:56:04 2010
@@ -10,6 +10,10 @@
 // This file defines the ScalarEvolutionAliasAnalysis pass, which implements a
 // simple alias analysis implemented in terms of ScalarEvolution queries.
 //
+// This differs from traditional loop dependence analysis in that it tests
+// for dependencies within a single iteration of a loop, rather than
+// dependences between different iterations.
+//
 // ScalarEvolution has a more complete understanding of pointer arithmetic
 // than BasicAliasAnalysis' collection of ad-hoc analyses.
 //
@@ -41,7 +45,7 @@
         return (AliasAnalysis*)this;
       return this;
     }
-                                         
+
   private:
     virtual void getAnalysisUsage(AnalysisUsage &AU) const;
     virtual bool runOnFunction(Function &F);