[all-commits] [llvm/llvm-project] f52ca0: [libc] Add compiler, builtin and feature detection

[Guillaume Chatelet via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f52ca0926cf99b513666b4a88a5a67c78048e6f7
      https://github.com/llvm/llvm-project/commit/f52ca0926cf99b513666b4a88a5a67c78048e6f7
  Author: Guillaume Chatelet <gchatelet at google.com>
  Date:   2022-12-13 (Tue, 13 Dec 2022)

  Changed paths:
    M libc/src/__support/CMakeLists.txt
    M libc/src/__support/CPP/CMakeLists.txt
    M libc/src/__support/CPP/bit.h
    M libc/src/__support/FPUtil/CMakeLists.txt
    M libc/src/__support/builtin_wrappers.h
    A libc/src/__support/compiler_features.h
    M libc/src/__support/sanitizer.h
    M libc/src/string/memory_utils/CMakeLists.txt
    M libc/src/string/memory_utils/utils.h
    M libc/src/string/stpcpy.cpp
    M libc/test/src/string/memory_utils/CMakeLists.txt
    M libc/test/src/string/memory_utils/memory_check_utils.h
    M utils/bazel/llvm-project-overlay/libc/BUILD.bazel

  Log Message:
  -----------
  [libc] Add compiler, builtin and feature detection

This is a first step to support GCC. This patch adds support for builtin and feature detection.

Differential Revision: https://reviews.llvm.org/D139712