[all-commits] [llvm/llvm-project] dd45ed: [mlir] Reduce generated assembly printer compile time

[Mehdi Amini via All-commits]

  Branch: refs/heads/users/mamini/mlir-generated-printer-compile-time
  Home:   https://github.com/llvm/llvm-project
  Commit: dd45ed8a619beb9b8f330fb9b64f879dad61b693
      https://github.com/llvm/llvm-project/commit/dd45ed8a619beb9b8f330fb9b64f879dad61b693
  Author: Mehdi Amini <joker.eph at gmail.com>
  Date:   2026-09-23 (Wed, 23 Sep 2026)

  Changed paths:
    M mlir/include/mlir/IR/OpImplementation.h
    M mlir/lib/IR/AsmPrinter.cpp
    M mlir/test/mlir-tblgen/op-decl-and-defs.td
    M mlir/test/mlir-tblgen/op-format.td
    M mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp
    M mlir/tools/mlir-tblgen/OpFormatGen.cpp

  Log Message:
  -----------
  [mlir] Reduce generated assembly printer compile time

Use fixed arrays for statically elided attributes and combine leading spaces
with literals. Move common operand printing out of generated call sites and
emit sliced operand getters to reduce optimizer work in large printers.

For omp.target, optimized print IR drops from 3,893 to 2,667 instructions.
The printing benchmark is 2.1% slower; check-mlir passes.

Assisted-by: Codex



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