[SCEV] Remove comment repeated in cpp file; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249713 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index c9f7a48cf793cb4a713efaf6697d41651230f17e..a1c2857bb67db5ae6c5afac6851042d1153cc7e6 100644 (file)
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -5826,11 +5826,6 @@ ScalarEvolution::getConstantEvolutionLoopExitValue(PHINode *PN,
   }
 }
 
-/// ComputeExitCountExhaustively - If the loop is known to execute a
-/// constant number of times (the condition evolves only from constants),
-/// try to evaluate a few iterations of the loop until we get the exit
-/// condition gets a value of ExitWhen (true or false).  If we cannot
-/// evaluate the trip count of the loop, return getCouldNotCompute().
 const SCEV *ScalarEvolution::ComputeExitCountExhaustively(const Loop *L,
                                                           Value *Cond,
                                                           bool ExitWhen) {