[PATCH] D109240: GlobalISel: Artifact combine merge-like opcode and unmerge into copy

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D109240#3826838 <https://reviews.llvm.org/D109240#3826838>, @Petar.Avramovic wrote:

> I understand now. Could I add a look through bitcast in findValueFromDefImpl? I would expect similar result as in D117328 <https://reviews.llvm.org/D117328>.

I'd leave that for a separate patch. I'm still not sure about treating bitcast as an artifact


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