[all-commits] [llvm/llvm-project] 1a23a9: [clang] Define ptrauth_sign_constant builtin.

[Ahmed Bougacha via All-commits]

  Branch: refs/heads/users/ahmedbougacha/ptrauth-sign-constant
  Home:   https://github.com/llvm/llvm-project
  Commit: 1a23a99f23714ba6a83b354e3b9afd056b263a02
      https://github.com/llvm/llvm-project/commit/1a23a99f23714ba6a83b354e3b9afd056b263a02
  Author: Ahmed Bougacha <ahmed at bougacha.org>
  Date:   2024-05-30 (Thu, 30 May 2024)

  Changed paths:
    M clang/include/clang/Basic/Builtins.td
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/CodeGen/CodeGenABITypes.h
    M clang/lib/AST/ExprConstant.cpp
    M clang/lib/CodeGen/CGBuiltin.cpp
    M clang/lib/CodeGen/CGExprConstant.cpp
    A clang/lib/CodeGen/CGPointerAuth.cpp
    M clang/lib/CodeGen/CMakeLists.txt
    M clang/lib/CodeGen/CodeGenModule.h
    M clang/lib/Headers/ptrauth.h
    M clang/lib/Sema/SemaChecking.cpp
    A clang/test/CodeGen/ptrauth-intrinsic-sign-constant.c
    M clang/test/Sema/ptrauth-intrinsics-macro.c
    M clang/test/Sema/ptrauth.c

  Log Message:
  -----------
  [clang] Define ptrauth_sign_constant builtin.

This is constant-expression equivalent to __builtin_ptrauth_sign,
allowing its usage in global initializers, but requiring constant
pointers and discriminators.

Co-Authored-By: John McCall <rjmccall at apple.com>



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