test/Sema/attr-mode.c

   1 // RUN: %clang_cc1 -triple i686-pc-linux-gnu -DTEST_32BIT_X86 -fsyntax-only \
   2 // RUN:   -verify %s
   3 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -DTEST_64BIT_X86 -fsyntax-only \
   4 // RUN:   -verify %s
   5
   6 typedef int i16_1 __attribute((mode(HI)));
   7 int i16_1_test[sizeof(i16_1) == 2 ? 1 : -1];
   8 typedef int i16_2 __attribute((__mode__(__HI__)));
   9 int i16_2_test[sizeof(i16_1) == 2 ? 1 : -1];
  10
  11 typedef float f64 __attribute((mode(DF)));
  12 int f64_test[sizeof(f64) == 8 ? 1 : -1];
  13
  14 typedef int invalid_1 __attribute((mode)); // expected-error{{attribute requires unquoted parameter}}
  15 typedef int invalid_2 __attribute((mode())); // expected-error{{attribute requires unquoted parameter}}
  16 typedef int invalid_3 __attribute((mode(II))); // expected-error{{unknown machine mode}}
  17 typedef struct {int i,j,k;} invalid_4 __attribute((mode(SI))); // expected-error{{mode attribute only supported for integer and floating-point types}}
  18 typedef float invalid_5 __attribute((mode(SI))); // expected-error{{type of machine mode does not match type of base type}}
  19
  20 int **__attribute((mode(QI)))* i32;  // expected-error{{mode attribute}}
  21
  22 typedef _Complex double c32 __attribute((mode(SC)));
  23 int c32_test[sizeof(c32) == 8 ? 1 : -1];
  24 typedef _Complex float c64 __attribute((mode(DC)));
  25 typedef _Complex float c80 __attribute((mode(XC)));
  26
  27 // PR6108: Correctly select 'long' built in type on 64-bit platforms for 64 bit
  28 // modes. Also test other mode-based conversions.
  29 typedef int i8_mode_t __attribute__ ((__mode__ (__QI__)));
  30 typedef unsigned int ui8_mode_t __attribute__ ((__mode__ (__QI__)));
  31 typedef int i16_mode_t __attribute__ ((__mode__ (__HI__)));
  32 typedef unsigned int ui16_mode_t __attribute__ ((__mode__ (__HI__)));
  33 typedef int i32_mode_t __attribute__ ((__mode__ (__SI__)));
  34 typedef unsigned int ui32_mode_t __attribute__ ((__mode__ (__SI__)));
  35 typedef int i64_mode_t __attribute__ ((__mode__ (__DI__)));
  36 typedef unsigned int ui64_mode_t __attribute__ ((__mode__ (__DI__)));
  37 void f_i8_arg(i8_mode_t* x) { (void)x; }
  38 void f_ui8_arg(ui8_mode_t* x) { (void)x; }
  39 void f_i16_arg(i16_mode_t* x) { (void)x; }
  40 void f_ui16_arg(ui16_mode_t* x) { (void)x; }
  41 void f_i32_arg(i32_mode_t* x) { (void)x; }
  42 void f_ui32_arg(ui32_mode_t* x) { (void)x; }
  43 void f_i64_arg(i64_mode_t* x) { (void)x; }
  44 void f_ui64_arg(ui64_mode_t* x) { (void)x; }
  45 void test_char_to_i8(signed char* y) { f_i8_arg(y); }
  46 void test_char_to_ui8(unsigned char* y) { f_ui8_arg(y); }
  47 void test_short_to_i16(short* y) { f_i16_arg(y); }
  48 void test_short_to_ui16(unsigned short* y) { f_ui16_arg(y); }
  49 void test_int_to_i32(int* y) { f_i32_arg(y); }
  50 void test_int_to_ui32(unsigned int* y) { f_ui32_arg(y); }
  51 #if TEST_32BIT_X86
  52 void test_long_to_i64(long long* y) { f_i64_arg(y); }
  53 void test_long_to_ui64(unsigned long long* y) { f_ui64_arg(y); }
  54 #elif TEST_64BIT_X86
  55 void test_long_to_i64(long* y) { f_i64_arg(y); }
  56 void test_long_to_ui64(unsigned long* y) { f_ui64_arg(y); }
  57 #else
  58 #error Unknown test architecture.
  59 #endif