[PATCH] D122233: [AggressiveInstCombine] Add `shufflevector` instr support to `TruncInstCombine`

[Anton Afanasyev via Phabricator via llvm-commits]

anton-afanasyev added a comment.

In D122233#3399664 <https://reviews.llvm.org/D122233#3399664>, @lebedev.ri wrote:

> Do we expect that unused inputs of the shuffle has been already replaced with undef?

I don't see this could be an issue. For instance, `@unary_shuffle()` test-case contains shuffle with `undef` (line 25). Do you mean this case?


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  https://reviews.llvm.org/D122233/new/

https://reviews.llvm.org/D122233