[llvm-commits] [llvm] r91821 - /llvm/trunk/lib/Transforms/Utils/LoopSimplify.cpp

[Chris Lattner]

Author: lattner
Date: Mon Dec 21 01:45:57 2009
New Revision: 91821

URL: http://llvm.org/viewvc/llvm-project?rev=91821&view=rev
Log:
revert r89298, which was committed without a testcase.  I think
the underlying PHI node insertion issue in SSAUpdate is fixed.

Modified:
    llvm/trunk/lib/Transforms/Utils/LoopSimplify.cpp

Modified: llvm/trunk/lib/Transforms/Utils/LoopSimplify.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/LoopSimplify.cpp?rev=91821&r1=91820&r2=91821&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Utils/LoopSimplify.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/LoopSimplify.cpp Mon Dec 21 01:45:57 2009
@@ -305,12 +305,6 @@
     }
   }
 
-  // If there are duplicate phi nodes (for example, from loop rotation),
-  // get rid of them.
-  for (Loop::block_iterator BB = L->block_begin(), E = L->block_end();
-       BB != E; ++BB)
-    EliminateDuplicatePHINodes(*BB);
-
   return Changed;
 }