clang/test/Sema/zero_call_used_regs.c

   1 // RUN: %clang_cc1 %s -verify -fno-builtin
   2
   3 #define _zero_call_used_regs(...) __attribute__((zero_call_used_regs(__VA_ARGS__)))
   4
   5 void failure1(void) _zero_call_used_regs();                   // expected-error {{takes one argument}}
   6 void failure2(void) _zero_call_used_regs("used", "used-gpr"); // expected-error {{takes one argument}}
   7 void failure3(void) _zero_call_used_regs(0);                  // expected-error {{expected string literal}}
   8 void failure4(void) _zero_call_used_regs("hello");            // expected-warning {{argument not supported: hello}}
   9
  10 void success1(void) _zero_call_used_regs("skip");
  11 void success2(void) _zero_call_used_regs("used-gpr-arg");
  12 void success3(void) _zero_call_used_regs("used-gpr");
  13 void success4(void) _zero_call_used_regs("used-arg");
  14 void success5(void) _zero_call_used_regs("used");
  15 void success6(void) _zero_call_used_regs("all-gpr-arg");
  16 void success7(void) _zero_call_used_regs("all-gpr");
  17 void success8(void) _zero_call_used_regs("all-arg");
  18 void success9(void) _zero_call_used_regs("all");