[llvm] r306151 - [CorrelatedValuePropagation] Remove comment about iterating switch cases in reverse order. This is no longer being done after r298791. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Fri Jun 23 15:28:35 2017
New Revision: 306151

URL: http://llvm.org/viewvc/llvm-project?rev=306151&view=rev
Log:
[CorrelatedValuePropagation] Remove comment about iterating switch cases in reverse order. This is no longer being done after r298791. NFC

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

Modified: llvm/trunk/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp?rev=306151&r1=306150&r2=306151&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp Fri Jun 23 15:28:35 2017
@@ -232,8 +232,7 @@ static bool processSwitch(SwitchInst *SI
   pred_iterator PB = pred_begin(BB), PE = pred_end(BB);
   if (PB == PE) return false;
 
-  // Analyse each switch case in turn.  This is done in reverse order so that
-  // removing a case doesn't cause trouble for the iteration.
+  // Analyse each switch case in turn.
   bool Changed = false;
   for (auto CI = SI->case_begin(), CE = SI->case_end(); CI != CE;) {
     ConstantInt *Case = CI->getCaseValue();