[all-commits] [llvm/llvm-project] 9d0acb: [mlir][Vector] Add support for trunci to narrow ty...

[Diego Caballero via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9d0acb872a5063f570366cd0e94b069d286cc71f
      https://github.com/llvm/llvm-project/commit/9d0acb872a5063f570366cd0e94b069d286cc71f
  Author: Diego Caballero <diegocaballero at google.com>
  Date:   2024-02-27 (Tue, 27 Feb 2024)

  Changed paths:
    M mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp
    M mlir/test/Dialect/Vector/vector-rewrite-narrow-types.mlir

  Log Message:
  -----------
  [mlir][Vector] Add support for trunci to narrow type emulation (#82565)

This PR add support for `arith.trunci` to vector narrow type emulation for iX -> i4 truncations, for X >= 8. For now, the pattern only works for 1D vectors and is based on `vector.shuffle` ops. We would need `vector.deinterleave` to add n-D vector support.



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