[PATCH] D28907: [SLP] Fix for PR30787: Failure to beneficially vectorize 'copyable' elements in integer binary ops.

Dinar Temirbulatov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Dec 16 07:07:55 PST 2017


dtemirbulatov added inline comments.


================
Comment at: lib/Transforms/Vectorize/SLPVectorizer.cpp:3244
         isJumbled = true;
-        LI = cast<LoadInst>(E->Scalars[0]);
-      } else {
-        LI = cast<LoadInst>(VL0);
-      }
+      LI = cast<LoadInst>(E->Scalars[0]);
 
----------------
We used E->VL0 here before, which is not correct because it could point to a wrong element.


https://reviews.llvm.org/D28907





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