[PATCH] D138186: InstCombine: Simplify vector load based on demanded elements

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

In D138186#3974937 <https://reviews.llvm.org/D138186#3974937>, @lebedev.ri wrote:

> Don't we already do that in VectorCombine?

We have load scalarization, but there's no subvector-narrowing kind of transform AFAIK:
https://github.com/llvm/llvm-project/blob/ee31a4a7029f2f6fda5f416e7eb67ca3907d9e36/llvm/lib/Transforms/Vectorize/VectorCombine.cpp#L1118


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