[all-commits] [llvm/llvm-project] b8cc59: [mlir][spirv] Add TOSA graph constant marking (#20...

[Davide Grohmann via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b8cc5942b3c1b3dd56d3e37093b0c22e134fd0b0
      https://github.com/llvm/llvm-project/commit/b8cc5942b3c1b3dd56d3e37093b0c22e134fd0b0
  Author: Davide Grohmann <davide.grohmann at arm.com>
  Date:   2026-06-04 (Thu, 04 Jun 2026)

  Changed paths:
    M mlir/include/mlir/Conversion/Passes.td
    M mlir/include/mlir/Conversion/TosaToSPIRVTosa/TosaToSPIRVTosa.h
    M mlir/lib/Conversion/TosaToSPIRVTosa/CMakeLists.txt
    M mlir/lib/Conversion/TosaToSPIRVTosa/TosaToSPIRVTosa.cpp
    A mlir/lib/Conversion/TosaToSPIRVTosa/TosaToSPIRVTosaConstants.cpp
    M mlir/lib/Conversion/TosaToSPIRVTosa/TosaToSPIRVTosaOps.cpp
    M mlir/lib/Conversion/TosaToSPIRVTosa/TosaToSPIRVTosaPass.cpp
    A mlir/test/Conversion/TosaToSPIRVTosa/graph-constant-invalid.mlir
    A mlir/test/Conversion/TosaToSPIRVTosa/graph-constant-mark-invalid.mlir
    A mlir/test/Conversion/TosaToSPIRVTosa/graph-constant-mark.mlir
    M mlir/test/Conversion/TosaToSPIRVTosa/tosa-to-spirv.mlir

  Log Message:
  -----------
  [mlir][spirv] Add TOSA graph constant marking (#201095)

Add a TOSA to SPIR-V TOSA preprocessing pass that marks large tosa.const
and tosa.const_shape operations for lowering to spirv.ARM.GraphConstant.

Keep small constants inline as spirv.Constant, assign graph constant IDs
with a grapharm-prefixed marker attribute, and teach the existing
constant conversion to use the marker when present.

Expose the grapharm source-side attribute names used for interface ABI
annotations and graph constant IDs.

Add tests for marking large constants, leaving small constants unmarked,
increasing graph constant IDs across mixed constants, and lowering
pre-marked constants to spirv.ARM.GraphConstant.

Signed-off-by: Davide Grohmann <davide.grohmann at arm.com>



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