Craig Topper b51859cb3d
[RISCV][P-ext] Recognize vector shifts with splat build_vector shift amount. (#184909)
If the shift is created during LegalizeVectorOps, the shift amount
will be created as a build_vector. Splat_vector is formed by a later
DAGCombine. LegalizeVectorOps will visit the new shift before the
splat_vector can be created. Handle this case too
2026-03-05 23:55:57 -08:00
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