clang/test/SemaCXX/attr-non-x86-no_caller_saved_registers.cpp

   1 // RUN: %clang_cc1 -std=c++11 -triple armv7-unknown-linux-gnueabi -fsyntax-only -verify %s
   2
   3 struct a {
   4   int __attribute__((no_caller_saved_registers)) b;                     // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
   5   static void foo(int *a) __attribute__((no_caller_saved_registers)) {} // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
   6 };
   7
   8 struct a test __attribute__((no_caller_saved_registers)); // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
   9
  10 __attribute__((no_caller_saved_registers(999))) void bar(int *) {} // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
  11
  12 __attribute__((no_caller_saved_registers)) void foo(int *){} // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
  13
  14 [[gnu::no_caller_saved_registers]] void foo2(int *) {} // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
  15
  16 typedef __attribute__((no_caller_saved_registers)) void (*foo3)(int *); // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
  17
  18 typedef void (*foo5)(int *);
  19
  20 int (*foo4)(double a, __attribute__((no_caller_saved_registers)) float b); // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
  21
  22 int main(int argc, char **argv) {
  23   void (*fp)(int *) = foo;
  24   a::foo(&argc);
  25   foo3 func = foo2;
  26   func(&argc);
  27   foo5 __attribute__((no_caller_saved_registers)) func2 = foo2; // expected-warning {{unknown attribute 'no_caller_saved_registers' ignored}}
  28   return 0;
  29 }