[PATCH] D44818: [LoopUnroll] Fix dangling pointers in SCEV
    Sam Parker via Phabricator via llvm-commits 
    llvm-commits at lists.llvm.org
       
    Mon Mar 26 02:38:41 PDT 2018
    
    
  
samparker accepted this revision.
samparker added a comment.
This revision is now accepted and ready to land.
Makes sense, LGTM.
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Comment at: lib/Transforms/Utils/LoopUnroll.cpp:506
+  // We are going to make changes to this loop. SCEV may be keeping cached info
+  // about it, in patricular about backedge taken count. The changes we make
+  // are guaranteed to invalidate this information for our loop. It is tempting
----------------
nit: typo
https://reviews.llvm.org/D44818
    
    
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