clang/test/Sema/m68k-rtdcall.c

   1 // RUN: %clang_cc1 -triple m68k-unknown-unknown -mrtd -std=c89 -verify -verify=rtd %s
   2 // RUN: %clang_cc1 -triple m68k-unknown-unknown -std=c89 -verify -verify=nortd %s
   3
   4 // rtd-error@+2 {{function with no prototype cannot use the m68k_rtd calling convention}}
   5 void foo(int arg) {
   6   bar(arg);
   7 }
   8
   9 // nortd-note@+4 {{previous declaration is here}}
  10 // nortd-error@+4 {{function declared 'm68k_rtd' here was previously declared without calling convention}}
  11 // nortd-note@+4 {{previous declaration is here}}
  12 // nortd-error@+4 {{function declared 'm68k_rtd' here was previously declared without calling convention}}
  13 void nonvariadic1(int a, int b, int c);
  14 void __attribute__((m68k_rtd)) nonvariadic1(int a, int b, int c);
  15 void nonvariadic2(int a, int b, int c);
  16 void __attribute__((m68k_rtd)) nonvariadic2(int a, int b, int c) { }
  17
  18 // expected-error@+2 {{variadic function cannot use m68k_rtd calling convention}}
  19 void variadic(int a, ...);
  20 void __attribute__((m68k_rtd)) variadic(int a, ...);
  21
  22 // rtd-note@+2 {{previous declaration is here}}
  23 // rtd-error@+2 {{redeclaration of 'a' with a different type: 'void ((*))(int, int) __attribute__((cdecl))' vs 'void (*)(int, int) __attribute__((m68k_rtd))'}}
  24 extern void (*a)(int, int);
  25 __attribute__((cdecl)) extern void (*a)(int, int);
  26
  27 extern void (*b)(int, ...);
  28 __attribute__((cdecl)) extern void (*b)(int, ...);
  29
  30 // nortd-note@+2 {{previous declaration is here}}
  31 // nortd-error@+2 {{redeclaration of 'c' with a different type: 'void ((*))(int, int) __attribute__((m68k_rtd))' vs 'void (*)(int, int)'}}
  32 extern void (*c)(int, int);
  33 __attribute__((m68k_rtd)) extern void (*c)(int, int);
  34
  35 // expected-error@+2 {{variadic function cannot use m68k_rtd calling convention}}
  36 extern void (*d)(int, ...);
  37 __attribute__((m68k_rtd)) extern void (*d)(int, ...);
  38
  39 // expected-warning@+1 {{'m68k_rtd' only applies to function types; type here is 'int'}}
  40 __attribute__((m68k_rtd)) static int g = 0;
  41
  42 // expected-error@+1 {{'m68k_rtd' attribute takes no arguments}}
  43 void __attribute__((m68k_rtd("invalid"))) z(int a);
  44
  45 // expected-error@+1 {{function with no prototype cannot use the m68k_rtd calling convention}}
  46 void __attribute__((m68k_rtd)) e();