[PATCH] D64155: GlobalISel: Handle widenScalar of arbitrary G_MERGE_VALUES sources

Amara Emerson via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 8 16:35:33 PDT 2019


aemerson added inline comments.


================
Comment at: lib/CodeGen/GlobalISel/LegalizerHelper.cpp:872
+    NewMergeRegs.push_back(Merge.getReg(0));
+  }
+
----------------
Can you add some more descriptive comments to this section to illustrate what the code is trying to achieve, maybe using an example input.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64155/new/

https://reviews.llvm.org/D64155





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