[all-commits] [llvm/llvm-project] 156494: [mlirbc] Fix use-list ordering during deserializat...

[Jacques Pienaar via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 156494bf18eb0f6eed5b3788f671b5515c516b45
      https://github.com/llvm/llvm-project/commit/156494bf18eb0f6eed5b3788f671b5515c516b45
  Author: Jacques Pienaar <jacques+gh at japienaar.info>
  Date:   2026-04-15 (Wed, 15 Apr 2026)

  Changed paths:
    M mlir/lib/Bytecode/Reader/BytecodeReader.cpp
    M mlir/test/Bytecode/uselist_orders.mlir

  Log Message:
  -----------
  [mlirbc] Fix use-list ordering during deserialization (#191942)

This patch fixes an issue in the MLIR bytecode reader where use-lists
were incorrectly reconstructed when they had permutations that are not
own inverse. Fixed the use-list reconstruction mapping logic in to
correctly restore the stable memory order of uses, both full shuffle and
index-pair encodings consistently.

Gemini/LLM assisted.



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