[all-commits] [llvm/llvm-project] 5a75d7: [mlir][Arith] Split dialect and support declaratio...

[Mehdi Amini via All-commits]

  Branch: refs/heads/users/mamini/mlir-arith-declarations-combined
  Home:   https://github.com/llvm/llvm-project
  Commit: 5a75d7cf35665f81c3ca2acc52de077190611aec
      https://github.com/llvm/llvm-project/commit/5a75d7cf35665f81c3ca2acc52de077190611aec
  Author: Mehdi Amini <joker.eph at gmail.com>
  Date:   2026-09-10 (Thu, 10 Sep 2026)

  Changed paths:
    M mlir/examples/standalone/standalone-opt/standalone-opt.cpp
    M mlir/include/mlir/Conversion/ArithCommon/AttrToLLVMConverter.h
    M mlir/include/mlir/Conversion/ComplexCommon/DivisionConverter.h
    M mlir/include/mlir/Dialect/Affine/Analysis/AffineAnalysis.h
    M mlir/include/mlir/Dialect/Affine/IR/AffineOps.h
    M mlir/include/mlir/Dialect/Arith/IR/Arith.h
    A mlir/include/mlir/Dialect/Arith/IR/ArithAttributes.h
    A mlir/include/mlir/Dialect/Arith/IR/ArithDialect.h
    A mlir/include/mlir/Dialect/Arith/IR/ArithOpInterfaces.h
    M mlir/include/mlir/Dialect/Complex/IR/Complex.h
    M mlir/include/mlir/Dialect/GPU/Utils/DistributionUtils.h
    M mlir/include/mlir/Dialect/Math/IR/Math.h
    M mlir/include/mlir/Dialect/MemRef/IR/MemRef.h
    M mlir/include/mlir/Dialect/OpenACC/OpenACCUtilsReduction.h
    M mlir/include/mlir/Dialect/OpenACC/Transforms/Passes.h
    M mlir/include/mlir/Dialect/OpenACCMPCommon/Interfaces/AtomicInterfaces.h
    M mlir/include/mlir/Dialect/Tosa/Utils/ConversionUtils.h
    M mlir/include/mlir/Dialect/Vector/IR/VectorOps.h
    M mlir/include/mlir/Dialect/XeGPU/IR/XeGPU.h
    M mlir/lib/CAPI/Dialect/Arith.cpp
    M mlir/lib/Conversion/ArithAndMathToAPFloat/MathToAPFloat.cpp
    M mlir/lib/Conversion/ArithToEmitC/ArithToEmitCPass.cpp
    M mlir/lib/Conversion/ComplexCommon/DivisionConverter.cpp
    M mlir/lib/Conversion/GPUCommon/OpToFuncCallLowering.h
    M mlir/lib/Conversion/MathToROCDL/MathToROCDL.cpp
    M mlir/lib/Conversion/MathToXeVM/MathToXeVM.cpp
    M mlir/lib/Conversion/TosaToArith/TosaToArithPass.cpp
    M mlir/lib/Dialect/Affine/Analysis/AffineAnalysis.cpp
    M mlir/lib/Dialect/Affine/Transforms/AffineExpandIndexOps.cpp
    M mlir/lib/Dialect/ArmSVE/Transforms/LegalizeForLLVMExport.cpp
    M mlir/lib/Dialect/Shape/Transforms/ShapeToShapeLowering.cpp
    M mlir/test/lib/Transforms/TestTransformsOps.cpp
    M mlir/unittests/Interfaces/InferTypeOpInterfaceTest.cpp

  Log Message:
  -----------
  [mlir][Arith] Split dialect and support declarations (NFC)

Expose the Arith dialect, attributes, and interfaces without importing
generated operation classes. This lets registration and support-only users
avoid parsing the operation umbrella and its dependencies.

Across three controlled serial rebuilds of five dialect-only TUs, median
instructions fell from 49.429B to 39.665B (-19.755%) and wall time fell from
7.40s to 5.85s (-20.946%). Across three -j16 rebuilds of 97 support users,
instructions fell from 1,686.265B to 1,531.867B (-9.156%) and wall time fell
from 29.17s to 28.07s (-3.771%).

Assisted-by: Codex



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