[all-commits] [llvm/llvm-project] d8e55c: [libc] Expose the Sign type for shared use (#150083)

[Leandro Lacerda via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d8e55c842bf4bb437c8aa94d38ef368b2f103aec
      https://github.com/llvm/llvm-project/commit/d8e55c842bf4bb437c8aa94d38ef368b2f103aec
  Author: Leandro Lacerda <leandrolcampos at yahoo.com.br>
  Date:   2025-07-22 (Tue, 22 Jul 2025)

  Changed paths:
    A libc/shared/sign.h

  Log Message:
  -----------
  [libc] Expose the Sign type for shared use (#150083)

This patch exposes the internal `Sign` type for shared use by other LLVM
subprojects, following the pattern established by `FPBits`.

The `FPBits` utility is exposed via `libc/shared/fp_bits.h`. However,
its public interface relies on the `Sign` type for, e.g., creating
signed infinities and returning the sign of a value. Currently, users of
the shared `FPBits` have no way to access the `Sign` type.

Following the existing pattern for sharing `libc` utilities, this patch
adds a new public header `libc/shared/sign.h`. This header simply
includes the internal `src/__support/sign.h` and brings the `Sign` type
into the `shared` namespace.



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