tree d4a9ccc36531f2785bb7ca078c5496bf0f957c5e
parent 2f41fa387d6734c637d02cbcf985c7b312b1e23b
author Simon Pilgrim <llvm-dev@redking.me.uk> 1744303479 +0100
committer GitHub <noreply@github.com> 1744303479 +0100
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[X86] combineConcatVectorOps - add concatenation handling for BITCAST nodes (#133913)

These nodes are effectively free, so we should only concatenate if the
inner nodes will concatenate together.

This also exposed a regression in canonicalizeShuffleWithOp that failed
to realize it could potentially merge shuffles with a CONCAT_VECTORS
node.