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      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 // RUN: %clang_cc1 -triple powerpc64-pc-linux-gnu -DTEST_64BIT_PPC64 -fsyntax-only \
      6 // RUN:   -verify %s
      7 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnux32 -DTEST_64BIT_X86 -fsyntax-only \
      8 // RUN:   -verify %s
      9 
     10 typedef int i16_1 __attribute((mode(HI)));
     11 int i16_1_test[sizeof(i16_1) == 2 ? 1 : -1];
     12 typedef int i16_2 __attribute((__mode__(__HI__)));
     13 int i16_2_test[sizeof(i16_1) == 2 ? 1 : -1];
     14 
     15 typedef float f64 __attribute((mode(DF)));
     16 int f64_test[sizeof(f64) == 8 ? 1 : -1];
     17 
     18 typedef int invalid_1 __attribute((mode)); // expected-error{{'mode' attribute takes one argument}}
     19 typedef int invalid_2 __attribute((mode())); // expected-error{{'mode' attribute takes one argument}}
     20 typedef int invalid_3 __attribute((mode(II))); // expected-error{{unknown machine mode}}
     21 typedef struct {int i,j,k;} invalid_4 __attribute((mode(SI))); // expected-error{{mode attribute only supported for integer and floating-point types}}
     22 typedef float invalid_5 __attribute((mode(SI))); // expected-error{{type of machine mode does not match type of base type}}
     23 typedef int invalid_6 __attribute__((mode(12)));  // expected-error{{'mode' attribute requires an identifier}}
     24 
     25 typedef unsigned unwind_word __attribute((mode(unwind_word)));
     26 
     27 int **__attribute((mode(QI)))* i32;  // expected-error{{mode attribute}}
     28 
     29 __attribute__((mode(QI))) int invalid_func() { return 1; } // expected-error{{'mode' attribute only applies to variables, enums, fields and typedefs}}
     30 enum invalid_enum { A1 __attribute__((mode(QI))) }; // expected-error{{'mode' attribute only applies to variables, enums, fields and typedefs}}
     31 
     32 typedef _Complex double c32 __attribute((mode(SC)));
     33 int c32_test[sizeof(c32) == 8 ? 1 : -1];
     34 typedef _Complex float c64 __attribute((mode(DC)));
     35 
     36 #ifndef TEST_64BIT_PPC64 // Note, 'XC' mode is illegal for PPC64 machines.
     37 typedef _Complex float c80 __attribute((mode(XC)));
     38 #endif
     39 
     40 // PR6108: Correctly select 'long' built in type on 64-bit platforms for 64 bit
     41 // modes. Also test other mode-based conversions.
     42 typedef int i8_mode_t __attribute__ ((__mode__ (__QI__)));
     43 typedef unsigned int ui8_mode_t __attribute__ ((__mode__ (__QI__)));
     44 typedef int i16_mode_t __attribute__ ((__mode__ (__HI__)));
     45 typedef unsigned int ui16_mode_t __attribute__ ((__mode__ (__HI__)));
     46 typedef int i32_mode_t __attribute__ ((__mode__ (__SI__)));
     47 typedef unsigned int ui32_mode_t __attribute__ ((__mode__ (__SI__)));
     48 typedef int i64_mode_t __attribute__ ((__mode__ (__DI__)));
     49 typedef unsigned int ui64_mode_t __attribute__ ((__mode__ (__DI__)));
     50 void f_i8_arg(i8_mode_t* x) { (void)x; }
     51 void f_ui8_arg(ui8_mode_t* x) { (void)x; }
     52 void f_i16_arg(i16_mode_t* x) { (void)x; }
     53 void f_ui16_arg(ui16_mode_t* x) { (void)x; }
     54 void f_i32_arg(i32_mode_t* x) { (void)x; }
     55 void f_ui32_arg(ui32_mode_t* x) { (void)x; }
     56 void f_i64_arg(i64_mode_t* x) { (void)x; }
     57 void f_ui64_arg(ui64_mode_t* x) { (void)x; }
     58 void test_char_to_i8(signed char* y) { f_i8_arg(y); }
     59 void test_char_to_ui8(unsigned char* y) { f_ui8_arg(y); }
     60 void test_short_to_i16(short* y) { f_i16_arg(y); }
     61 void test_short_to_ui16(unsigned short* y) { f_ui16_arg(y); }
     62 void test_int_to_i32(int* y) { f_i32_arg(y); }
     63 void test_int_to_ui32(unsigned int* y) { f_ui32_arg(y); }
     64 #if TEST_32BIT_X86
     65 void test_long_to_i64(long long* y) { f_i64_arg(y); }
     66 void test_long_to_ui64(unsigned long long* y) { f_ui64_arg(y); }
     67 #elif TEST_64BIT_X86
     68 #ifdef __ILP32__
     69 typedef unsigned int gcc_word __attribute__((mode(word)));
     70 int foo[sizeof(gcc_word) == 8 ? 1 : -1];
     71 typedef unsigned int gcc_unwind_word __attribute__((mode(unwind_word)));
     72 int foo[sizeof(gcc_unwind_word) == 8 ? 1 : -1];
     73 void test_long_to_i64(long long* y) { f_i64_arg(y); }
     74 void test_long_to_ui64(unsigned long long* y) { f_ui64_arg(y); }
     75 #else
     76 void test_long_to_i64(long* y) { f_i64_arg(y); }
     77 void test_long_to_ui64(unsigned long* y) { f_ui64_arg(y); }
     78 #endif
     79 typedef          float f128ibm __attribute__ ((mode (TF)));
     80 #elif TEST_64BIT_PPC64
     81 typedef          float f128ibm __attribute__ ((mode (TF)));
     82 typedef _Complex float c128ibm __attribute__ ((mode (TC)));
     83 void f_ft128_arg(long double *x);
     84 void f_ft128_complex_arg(_Complex long double *x);
     85 void test_TFtype(f128ibm *a) { f_ft128_arg (a); }
     86 void test_TCtype(c128ibm *a) { f_ft128_complex_arg (a); }
     87 #else
     88 #error Unknown test architecture.
     89 #endif
     90 
     91 struct S {
     92   int n __attribute((mode(HI)));
     93 };
     94