attr-mode.c revision 750f73aadcfb9810a5825fd57325e310042e5617 
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
8typedef int i16_1 __attribute((mode(HI)));
9int i16_1_test[sizeof(i16_1) == 2 ? 1 : -1];
10typedef int i16_2 __attribute((__mode__(__HI__)));
11int i16_2_test[sizeof(i16_1) == 2 ? 1 : -1];
12
13typedef float f64 __attribute((mode(DF)));
14int f64_test[sizeof(f64) == 8 ? 1 : -1];
15
16typedef int invalid_1 __attribute((mode)); // expected-error{{'mode' attribute requires an identifier}}
17typedef int invalid_2 __attribute((mode())); // expected-error{{'mode' attribute requires an identifier}}
18typedef int invalid_3 __attribute((mode(II))); // expected-error{{unknown machine mode}}
19typedef struct {int i,j,k;} invalid_4 __attribute((mode(SI))); // expected-error{{mode attribute only supported for integer and floating-point types}}
20typedef float invalid_5 __attribute((mode(SI))); // expected-error{{type of machine mode does not match type of base type}}
21
22typedef unsigned unwind_word __attribute((mode(unwind_word)));
23
24int **__attribute((mode(QI)))* i32;  // expected-error{{mode attribute}}
25
26typedef _Complex double c32 __attribute((mode(SC)));
27int c32_test[sizeof(c32) == 8 ? 1 : -1];
28typedef _Complex float c64 __attribute((mode(DC)));
29typedef _Complex float c80 __attribute((mode(XC)));
30
31// PR6108: Correctly select 'long' built in type on 64-bit platforms for 64 bit
32// modes. Also test other mode-based conversions.
33typedef int i8_mode_t __attribute__ ((__mode__ (__QI__)));
34typedef unsigned int ui8_mode_t __attribute__ ((__mode__ (__QI__)));
35typedef int i16_mode_t __attribute__ ((__mode__ (__HI__)));
36typedef unsigned int ui16_mode_t __attribute__ ((__mode__ (__HI__)));
37typedef int i32_mode_t __attribute__ ((__mode__ (__SI__)));
38typedef unsigned int ui32_mode_t __attribute__ ((__mode__ (__SI__)));
39typedef int i64_mode_t __attribute__ ((__mode__ (__DI__)));
40typedef unsigned int ui64_mode_t __attribute__ ((__mode__ (__DI__)));
41void f_i8_arg(i8_mode_t* x) { (void)x; }
42void f_ui8_arg(ui8_mode_t* x) { (void)x; }
43void f_i16_arg(i16_mode_t* x) { (void)x; }
44void f_ui16_arg(ui16_mode_t* x) { (void)x; }
45void f_i32_arg(i32_mode_t* x) { (void)x; }
46void f_ui32_arg(ui32_mode_t* x) { (void)x; }
47void f_i64_arg(i64_mode_t* x) { (void)x; }
48void f_ui64_arg(ui64_mode_t* x) { (void)x; }
49void test_char_to_i8(signed char* y) { f_i8_arg(y); }
50void test_char_to_ui8(unsigned char* y) { f_ui8_arg(y); }
51void test_short_to_i16(short* y) { f_i16_arg(y); }
52void test_short_to_ui16(unsigned short* y) { f_ui16_arg(y); }
53void test_int_to_i32(int* y) { f_i32_arg(y); }
54void test_int_to_ui32(unsigned int* y) { f_ui32_arg(y); }
55#if TEST_32BIT_X86
56void test_long_to_i64(long long* y) { f_i64_arg(y); }
57void test_long_to_ui64(unsigned long long* y) { f_ui64_arg(y); }
58#elif TEST_64BIT_X86
59void test_long_to_i64(long* y) { f_i64_arg(y); }
60void test_long_to_ui64(unsigned long* y) { f_ui64_arg(y); }
61typedef          float f128ibm __attribute__ ((mode (TF)));     // expected-error{{unsupported machine mode 'TF'}}
62#elif TEST_64BIT_PPC64
63typedef          float f128ibm __attribute__ ((mode (TF)));
64typedef _Complex float c128ibm __attribute__ ((mode (TC)));
65void f_ft128_arg(long double *x);
66void f_ft128_complex_arg(_Complex long double *x);
67void test_TFtype(f128ibm *a) { f_ft128_arg (a); }
68void test_TCtype(c128ibm *a) { f_ft128_complex_arg (a); }
69#else
70#error Unknown test architecture.
71#endif
72