[all-commits] [llvm/llvm-project] eae5ca: [mlir][Vector] Support poison in `vector.shuffle` ...

[Diego Caballero via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: eae5ca9b45bf1232f30d92ce50c19c1ea82c0f0b
      https://github.com/llvm/llvm-project/commit/eae5ca9b45bf1232f30d92ce50c19c1ea82c0f0b
  Author: Diego Caballero <dieg0ca6aller0 at gmail.com>
  Date:   2025-01-18 (Sat, 18 Jan 2025)

  Changed paths:
    M mlir/include/mlir/Dialect/Vector/IR/VectorOps.td
    M mlir/lib/Dialect/Vector/IR/VectorOps.cpp
    M mlir/test/Conversion/VectorToLLVM/vector-to-llvm.mlir
    M mlir/test/Conversion/VectorToSPIRV/vector-to-spirv.mlir
    M mlir/test/Dialect/Vector/ops.mlir

  Log Message:
  -----------
  [mlir][Vector] Support poison in `vector.shuffle` mask (#122188)

This PR extends the existing poison support in
https://mlir.llvm.org/docs/Dialects/UBOps/ by representing poison mask
values in `vector.shuffle`. Similar to LLVM (see
https://github.com/llvm/llvm-project/blob/main/llvm/include/llvm/IR/Instructions.h#L1884)
this requires defining an integer value (`-1`) to represent poison in
the `vector.shuffle` mask.



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