[PATCH] D13551: [LoopVectorize] Shrink integer operations into the smallest type possible

silviu.baranga@arm.com via llvm-commits llvm-commits at lists.llvm.org
Mon Oct 12 02:39:52 PDT 2015


sbaranga added a comment.

Thanks, James! I only have one more comment.

-Silviu


================
Comment at: lib/Transforms/Vectorize/LoopVectorize.cpp:3146
@@ +3145,3 @@
+  // later and will remove any ext/trunc pairs.
+  //
+  for (auto &KV : MinBWs) {
----------------
It looks like this solution will leave us some zext instructions with no users. I think we can clean these up as well.


Repository:
  rL LLVM

http://reviews.llvm.org/D13551





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