[llvm-commits] [llvm] r91288 - /llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

[Dan Gohman]

Author: djg
Date: Mon Dec 14 11:10:44 2009
New Revision: 91288

URL: http://llvm.org/viewvc/llvm-project?rev=91288&view=rev
Log:
Don't bother cleaning up if there's nothing to clean up.

Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp?rev=91288&r1=91287&r2=91288&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Mon Dec 14 11:10:44 2009
@@ -2754,14 +2754,14 @@
     // After all sharing is done, see if we can adjust the loop to test against
     // zero instead of counting up to a maximum.  This is usually faster.
     OptimizeLoopCountIV(L);
-  }
 
-  // We're done analyzing this loop; release all the state we built up for it.
-  IVsByStride.clear();
+    // We're done analyzing this loop; release all the state we built up for it.
+    IVsByStride.clear();
 
-  // Clean up after ourselves
-  if (!DeadInsts.empty())
-    DeleteTriviallyDeadInstructions();
+    // Clean up after ourselves
+    if (!DeadInsts.empty())
+      DeleteTriviallyDeadInstructions();
+  }
 
   // At this point, it is worth checking to see if any recurrence PHIs are also
   // dead, so that we can remove them as well.