[llvm-commits] [llvm] r171399 - in /llvm/trunk: include/llvm/TargetTransformInfo.h lib/Transforms/Scalar/LoopIdiomRecognize.cpp

[Shuxin Yang]

Author: shuxin_yang
Date: Wed Jan  2 12:26:31 2013
New Revision: 171399

URL: http://llvm.org/viewvc/llvm-project?rev=171399&view=rev
Log:
- Add comment to two functions which might be considered as dead code. 
- Fix a typo

Modified:
    llvm/trunk/include/llvm/TargetTransformInfo.h
    llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp

Modified: llvm/trunk/include/llvm/TargetTransformInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/TargetTransformInfo.h?rev=171399&r1=171398&r2=171399&view=diff
==============================================================================
--- llvm/trunk/include/llvm/TargetTransformInfo.h (original)
+++ llvm/trunk/include/llvm/TargetTransformInfo.h Wed Jan  2 12:26:31 2013
@@ -78,7 +78,7 @@
 public:
   /// PopcntHwSupport - Hardware support for population count. Compared to the
   /// SW implementation, HW support is supposed to significantly boost the
-  /// performance when the population is dense, and it may or not may degrade
+  /// performance when the population is dense, and it may or may not degrade
   /// performance if the population is sparse. A HW support is considered as
   /// "Fast" if it can outperform, or is on a par with, SW implementaion when
   /// the population is sparse; otherwise, it is considered as "Slow".

Modified: llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp?rev=171399&r1=171398&r2=171399&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp Wed Jan  2 12:26:31 2013
@@ -669,12 +669,14 @@
   if (!getDataLayout())
     return false;
 
-  getDominatorTree();
+  // set DT 
+  (void)getDominatorTree();
 
   LoopInfo &LI = getAnalysis<LoopInfo>();
   TLI = &getAnalysis<TargetLibraryInfo>();
 
-  getTargetLibraryInfo();
+  // set TLI 
+  (void)getTargetLibraryInfo();
 
   SmallVector<BasicBlock*, 8> ExitBlocks;
   CurLoop->getUniqueExitBlocks(ExitBlocks);