[llvm] [GlobalIsel] combine extract vector element (PR #91922)

[Matt Arsenault via llvm-commits]

Thorsten =?utf-8?q?Schütt?= <schuett at gmail.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/91922 at github.com>


https://github.com/arsenm commented:

SelectionDAG seems to not do this combine, and InstCombine does. Is this pattern coming from somewhere in legalization? 

https://github.com/llvm/llvm-project/pull/91922