[polly] r306088 - Bail out early in case we see an invalid runtime context in buildAliasGroups

Tobias Grosser via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 23 01:05:31 PDT 2017


Author: grosser
Date: Fri Jun 23 03:05:31 2017
New Revision: 306088

URL: http://llvm.org/viewvc/llvm-project?rev=306088&view=rev
Log:
Bail out early in case we see an invalid runtime context in buildAliasGroups

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

Modified: polly/trunk/lib/Analysis/ScopInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/Analysis/ScopInfo.cpp?rev=306088&r1=306087&r2=306088&view=diff
==============================================================================
--- polly/trunk/lib/Analysis/ScopInfo.cpp (original)
+++ polly/trunk/lib/Analysis/ScopInfo.cpp Fri Jun 23 03:05:31 2017
@@ -3326,6 +3326,9 @@ bool Scop::buildAliasGroups(AliasAnalysi
   splitAliasGroupsByDomain(AliasGroups);
 
   for (AliasGroupTy &AG : AliasGroups) {
+    if (!hasFeasibleRuntimeContext())
+      return false;
+
     {
       IslMaxOperationsGuard MaxOpGuard(getIslCtx(), OptComputeOut);
       bool Valid = buildAliasGroup(AG, HasWriteAccess);




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