[all-commits] [llvm/llvm-project] 19870e: [X86] Emit Warnings for frontend options to enable...

[Freddy Ye via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 19870ed9c3238f348bf82dcc2b2e0a2894536874
      https://github.com/llvm/llvm-project/commit/19870ed9c3238f348bf82dcc2b2e0a2894536874
  Author: Freddy Ye <freddy.ye at intel.com>
  Date:   2024-01-09 (Tue, 09 Jan 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticCommonKinds.td
    M clang/lib/Basic/Targets/X86.cpp
    M clang/test/CodeGen/X86/avx512er-builtins.c
    M clang/test/CodeGen/X86/avx512pf-builtins.c
    M clang/test/Driver/cl-x86-flags.c
    M clang/test/Frontend/x86-target-cpu.c

  Log Message:
  -----------
  [X86] Emit Warnings for frontend options to enable knl/knm specific ISAs. (#75580)

Since Knight Landing and Knight Mill microarchitectures are EOL, we
would like to remove intrinsic supports for its specific ISA in LLVM 19.
In LLVM 18, we will first emit a warning for the usage.