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Initial port of HECO auto-SIMD passes for BGV #471

Merged

copybara-service merged 1 commit into google:main from j2kun:simd-packing

Mar 11, 2024

Commits on Mar 11, 2024

Initial port of HECO auto-SIMD passes to HEIR

- InsertRotate: insert rotations and apply target slot selection rules
- TensorExtCanonicalization: canonicalization patterns to enable
  cse to remove unnecessary rotations
- CollapseInsertionChains: identify extract/insert chains that can be
  converted to rotations

Additional followup issues identified in
google#471 for improvements.

j2kun committed Mar 11, 2024