[all-commits] [llvm/llvm-project] 6242c8: [flang] add TBAA tags to global and direct variables

[Tom Eccles via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6242c8ca18bcd6765094c73dd2c8b49200a6cec8
      https://github.com/llvm/llvm-project/commit/6242c8ca18bcd6765094c73dd2c8b49200a6cec8
  Author: Tom Eccles <tom.eccles at arm.com>
  Date:   2023-10-25 (Wed, 25 Oct 2023)

  Changed paths:
    M flang/include/flang/Optimizer/Analysis/TBAAForest.h
    M flang/lib/Optimizer/Analysis/AliasAnalysis.cpp
    M flang/lib/Optimizer/Analysis/TBAAForest.cpp
    M flang/lib/Optimizer/Transforms/AddAliasTags.cpp
    M flang/test/Transforms/tbaa2.fir

  Log Message:
  -----------
  [flang] add TBAA tags to global and direct variables

These turn out to be useful for spec2017/fotonik3d and safe so long as
they are not used along side TBAA tags for local allocations. LLVM may
be able to figure out local allocations by itself anyway.

PR #68727