[all-commits] [llvm/llvm-project] ac8b5a: [mlir][scf]-Fix reverse iterator overflow in loop ...

[Amir Bishara via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ac8b5a9e47a550f4171020f619b51b69310766d5
      https://github.com/llvm/llvm-project/commit/ac8b5a9e47a550f4171020f619b51b69310766d5
  Author: Amir Bishara <139038766+amirBish at users.noreply.github.com>
  Date:   2025-03-02 (Sun, 02 Mar 2025)

  Changed paths:
    M mlir/lib/Dialect/SCF/Transforms/TileUsingInterface.cpp
    M mlir/test/Interfaces/TilingInterface/tile-and-fuse-using-interface.mlir

  Log Message:
  -----------
  [mlir][scf]-Fix reverse iterator overflow in loop traversal (#128421)

Fix a bug in method `getUntiledProducerFromSliceSource` where address
sanitizer fails compilation on heap
buffer overflow for accessing value out of the iteration range.

This PR fixes the issue and adds a lit test to reproduce it.



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