[llvm] VectorCombine: Improve the insert/extract fold in the narrowing case (PR #168820)

[Matt Arsenault via llvm-commits]

Nicolai =?utf-8?q?H=C3=A4hnle?= <nicolai.haehnle at amd.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/168820 at github.com>


https://github.com/arsenm approved this pull request.


https://github.com/llvm/llvm-project/pull/168820