[llvm] r283579 - [LoopIdiomRecognize] Merge two if conditions into one. NFCI.

[Davide Italiano via llvm-commits]

Author: davide
Date: Fri Oct  7 13:39:43 2016
New Revision: 283579

URL: http://llvm.org/viewvc/llvm-project?rev=283579&view=rev
Log:
[LoopIdiomRecognize] Merge two if conditions into one. NFCI.

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

Modified: llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp?rev=283579&r1=283578&r2=283579&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopIdiomRecognize.cpp Fri Oct  7 13:39:43 2016
@@ -1181,9 +1181,7 @@ bool LoopIdiomRecognize::recognizePopcou
 
   // It should have a preheader containing nothing but an unconditional branch.
   BasicBlock *PH = CurLoop->getLoopPreheader();
-  if (!PH)
-    return false;
-  if (&PH->front() != PH->getTerminator())
+  if (!PH || &PH->front() != PH->getTerminator())
     return false;
   auto *EntryBI = dyn_cast<BranchInst>(PH->getTerminator());
   if (!EntryBI || EntryBI->isConditional())