[llvm] r234505 - [NFC] add more comments for SLSR

[Jingyue Wu]

Author: jingyue
Date: Thu Apr  9 12:04:28 2015
New Revision: 234505

URL: http://llvm.org/viewvc/llvm-project?rev=234505&view=rev
Log:
[NFC] add more comments for SLSR

Modified:
    llvm/trunk/include/llvm/Transforms/Scalar.h

Modified: llvm/trunk/include/llvm/Transforms/Scalar.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/Scalar.h?rev=234505&r1=234504&r2=234505&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/Scalar.h (original)
+++ llvm/trunk/include/llvm/Transforms/Scalar.h Thu Apr  9 12:04:28 2015
@@ -427,6 +427,11 @@ createSeparateConstOffsetFromGEPPass(con
 //
 BasicBlockPass *createLoadCombinePass();
 
+//===----------------------------------------------------------------------===//
+//
+// StraightLineStrengthReduce - This pass strength-reduces some certain
+// instruction patterns in straight-line code.
+//
 FunctionPass *createStraightLineStrengthReducePass();
 
 //===----------------------------------------------------------------------===//