[all-commits] [llvm/llvm-project] cf16c9: [Flang] Turn on alias analysis for locally allocat...

[Dominik Adamski via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cf16c97bfa1416672d8990862369e86f360aa11e
      https://github.com/llvm/llvm-project/commit/cf16c97bfa1416672d8990862369e86f360aa11e
  Author: Dominik Adamski <dominik.adamski at amd.com>
  Date:   2025-05-14 (Wed, 14 May 2025)

  Changed paths:
    M flang/lib/Optimizer/Transforms/AddAliasTags.cpp
    M flang/test/Fir/tbaa-codegen2.fir
    M flang/test/Transforms/tbaa-with-dummy-scope2.fir
    M flang/test/Transforms/tbaa2.fir
    M flang/test/Transforms/tbaa3.fir

  Log Message:
  -----------
  [Flang] Turn on alias analysis for locally allocated objects (#139682)

Previously, a bug in the MemCptOpt LLVM IR pass caused issues with
adding alias tags for locally allocated objects for Fortran code.

However, the bug has now been fixed (
https://github.com/llvm/llvm-project/pull/129537 ), and we can safely
enable alias tags for these objects. This change should improve the
accuracy of the alias analysis.



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