[all-commits] [llvm/llvm-project] d61ec5: [mlir][spirv] Add IsInf/IsNan expansion for WebGPU...

[Jakub Kuderski via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d61ec513c42005bb071eb15386deb5de585ff267
      https://github.com/llvm/llvm-project/commit/d61ec513c42005bb071eb15386deb5de585ff267
  Author: Jakub Kuderski <jakub at nod-labs.com>
  Date:   2024-03-28 (Thu, 28 Mar 2024)

  Changed paths:
    M mlir/include/mlir/Dialect/SPIRV/Transforms/SPIRVWebGPUTransforms.h
    M mlir/lib/Dialect/SPIRV/Transforms/SPIRVWebGPUTransforms.cpp
    M mlir/test/Dialect/SPIRV/Transforms/webgpu-prepare.mlir

  Log Message:
  -----------
  [mlir][spirv] Add IsInf/IsNan expansion for WebGPU (#86903)

These non-finite math ops are supported by SPIR-V but not by WGSL.
Assume finite floating point values and expand these ops into `false`.

Previously, this worked by adding fast math flags during conversion from
arith to spirv, but this got removed in
https://github.com/llvm/llvm-project/pull/86578.

Also do some misc cleanups in the surrounding code.



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