[polly] r184000 - scop detection: check flag before expensive call

[Sebastian Pop]

Author: spop
Date: Fri Jun 14 15:20:39 2013
New Revision: 184000

URL: http://llvm.org/viewvc/llvm-project?rev=184000&view=rev
Log:
scop detection: check flag before expensive call

Modified:
    polly/trunk/lib/Analysis/ScopDetection.cpp

Modified: polly/trunk/lib/Analysis/ScopDetection.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/Analysis/ScopDetection.cpp?rev=184000&r1=183999&r2=184000&view=diff
==============================================================================
--- polly/trunk/lib/Analysis/ScopDetection.cpp (original)
+++ polly/trunk/lib/Analysis/ScopDetection.cpp Fri Jun 14 15:20:39 2013
@@ -266,8 +266,8 @@ bool ScopDetection::isValidMemoryAccess(
 
   AccessFunction = SE->getMinusSCEV(AccessFunction, BasePointer);
 
-  if (!isAffineExpr(&Context.CurRegion, AccessFunction, *SE, BaseValue) &&
-      !AllowNonAffine)
+  if (!AllowNonAffine && !isAffineExpr(&Context.CurRegion, AccessFunction, *SE,
+                                       BaseValue))
     INVALID(AffFunc, "Non affine access function: " << *AccessFunction);
 
   // FIXME: Alias Analysis thinks IntToPtrInst aliases with alloca instructions