clang/test/AST/ByteCode/builtin-constant-p.cpp

   1 // RUN: %clang_cc1 -fexperimental-new-constant-interpreter -verify=expected,both %s
   2 // RUN: %clang_cc1 -verify=ref,both %s
   3
   4
   5 static_assert(__builtin_constant_p(12), "");
   6 static_assert(__builtin_constant_p(1.0), "");
   7
   8 constexpr int I = 100;
   9 static_assert(__builtin_constant_p(I), "");
  10 static_assert(__builtin_constant_p(I + 10), "");
  11 static_assert(__builtin_constant_p(I + 10.0), "");
  12 static_assert(__builtin_constant_p(nullptr), "");
  13 static_assert(__builtin_constant_p(&I), ""); // both-error {{failed due to requirement}}
  14 static_assert(__builtin_constant_p((void)I), ""); // both-error {{failed due to requirement}}