[all-commits] [llvm/llvm-project] d9527b: [NFC][flang] Added engineering option for triaging...

[Slava Zakharin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d9527be9141b4a9f434c5a105bb7a24a935c5d87
      https://github.com/llvm/llvm-project/commit/d9527be9141b4a9f434c5a105bb7a24a935c5d87
  Author: Slava Zakharin <szakharin at nvidia.com>
  Date:   2025-07-21 (Mon, 21 Jul 2025)

  Changed paths:
    M flang/lib/Optimizer/Transforms/AddAliasTags.cpp
    A flang/test/Transforms/tbaa-local-alloc-threshold.fir

  Log Message:
  -----------
  [NFC][flang] Added engineering option for triaging local-alloc-tbaa. (#149587)

I triaged a benchmark that showed inaccurate results, when
local-alloc-tbaa
was enabled. It turned out to be not a real TBAA issue, but rather
TBAA affecting optimizations that affect FMA generation, which
introduced
an expected accuracy variation. I would like to keep this threshold
control for future uses.



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