[all-commits] [llvm/llvm-project] 40ad10: [Flang] Fix -Wopen-mp-* and -Wopen-acc-* flag spel...

[Michael Klemm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 40ad10a8ae36aef58cf11e80c0024eb9409f6697
      https://github.com/llvm/llvm-project/commit/40ad10a8ae36aef58cf11e80c0024eb9409f6697
  Author: Michael Klemm <michael.klemm at amd.com>
  Date:   2026-04-28 (Tue, 28 Apr 2026)

  Changed paths:
    M flang/docs/ReleaseNotes.md
    M flang/include/flang/Support/Fortran-features.h
    M flang/lib/Frontend/CompilerInvocation.cpp
    M flang/lib/Support/Fortran-features.cpp
    A flang/test/Driver/deprecated-w-spelling.f90
    M flang/test/Semantics/OpenACC/acc-declare-validity.f90
    M flang/test/Semantics/OpenMP/allocate-align01.f90
    M flang/test/Semantics/OpenMP/allocate01.f90
    M flang/test/Semantics/OpenMP/clause-validity01.f90
    M flang/test/Semantics/OpenMP/declarative-directive01.f90
    M flang/test/Semantics/OpenMP/declare-target01.f90
    M flang/test/Semantics/OpenMP/declare-target02.f90
    M flang/test/Semantics/OpenMP/declare-target06.f90
    M flang/test/Semantics/OpenMP/deprecation.f90
    M flang/test/Semantics/OpenMP/nested-target.f90
    M flang/test/Semantics/OpenMP/requires04.f90
    M flang/test/Semantics/OpenMP/requires05.f90
    M flang/test/Semantics/OpenMP/simd-aligned.f90
    M flang/test/Semantics/OpenMP/single03.f90
    M flang/test/Semantics/OpenMP/single04.f90
    M flang/test/Semantics/OpenMP/target01.f90
    M flang/test/Semantics/OpenMP/threadprivate-equivalence-nowarn.f90
    M flang/test/Semantics/OpenMP/use_device_ptr1.f90
    M flang/unittests/Common/FortranFeaturesTest.cpp

  Log Message:
  -----------
  [Flang] Fix -Wopen-mp-* and -Wopen-acc-* flag spellings (#188434)

The CamelCase-to-hyphenated conversion was incorrectly splitting
"OpenMP" and "OpenACC" into "open-mp" and "open-acc", producing wrong -W
flag names like -Wopen-mp-usage instead of -Wopenmp-usage. Fix the
conversion to treat these as compound names, keep the old spellings as
deprecated aliases, and emit a warning when deprecated spellings are
used.

---------

Co-authored-by: Claude Opus 4.6 <noreply at anthropic.com>



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