xref: /llvm-project/clang/test/Sema/attr-mode.c (revision 34f687cbe468e8044e8d94c977a2e47cbd3f3799)
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 powerpc64-pc-linux-gnu -DTEST_F128_PPC64 -fsyntax-only \
8 // RUN:   -verify -target-feature +float128 %s
9 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnux32 -DTEST_64BIT_X86 -fsyntax-only \
10 // RUN:   -verify %s
11 // RUN: %clang_cc1 -triple mips-linux-gnu -DTEST_MIPS_32 -fsyntax-only \
12 // RUN:   -verify %s
13 // RUN: %clang_cc1 -triple mips64-linux-gnuabin32 -DTEST_MIPS_N32 -fsyntax-only \
14 // RUN:   -verify %s
15 // RUN: %clang_cc1 -triple mips64-linux-gnu -DTEST_MIPS_64 -fsyntax-only \
16 // RUN:   -verify %s
17 
18 typedef int i16_1 __attribute((mode(HI)));
19 int i16_1_test[sizeof(i16_1) == 2 ? 1 : -1];
20 typedef int i16_2 __attribute((__mode__(__HI__)));
21 int i16_2_test[sizeof(i16_1) == 2 ? 1 : -1];
22 
23 typedef float f64 __attribute((mode(DF)));
24 int f64_test[sizeof(f64) == 8 ? 1 : -1];
25 
26 typedef int invalid_1 __attribute((mode)); // expected-error{{'mode' attribute takes one argument}}
27 typedef int invalid_2 __attribute((mode())); // expected-error{{'mode' attribute takes one argument}}
28 typedef int invalid_3 __attribute((mode(II))); // expected-error{{unknown machine mode}}
29 typedef struct {int i,j,k;} invalid_4 __attribute((mode(SI))); // expected-error{{mode attribute only supported for integer and floating-point types}}
30 typedef float invalid_5 __attribute((mode(SI))); // expected-error{{type of machine mode does not match type of base type}}
31 typedef int invalid_6 __attribute__((mode(12)));  // expected-error{{'mode' attribute requires an identifier}}
32 
33 typedef unsigned unwind_word __attribute((mode(unwind_word)));
34 
35 int **__attribute((mode(QI)))* i32;  // expected-error{{mode attribute}}
36 
invalid_func(void)37 __attribute__((mode(QI))) int invalid_func(void) { return 1; } // expected-error{{'mode' attribute only applies to variables, enums, typedefs, and non-static data members}}
38 enum invalid_enum { A1 __attribute__((mode(QI))) }; // expected-error{{'mode' attribute only applies to}}
39 
40 typedef _Complex float c16a __attribute((mode(HC)));
41 int c16a_test[sizeof(c16a) == 4 ? 1 : -1];
42 typedef _Complex double c16b __attribute((mode(HC)));
43 int c16b_test[sizeof(c16b) == 4 ? 1 : -1];
44 
45 typedef _Complex double c32 __attribute((mode(SC)));
46 int c32_test[sizeof(c32) == 8 ? 1 : -1];
47 typedef _Complex float c64 __attribute((mode(DC)));
48 
49 #if !defined(__powerpc__) && !defined(__mips__) // Note, 'XC' mode is illegal for PPC64 and MIPS machines.
50 typedef _Complex float c80 __attribute((mode(XC)));
51 #endif
52 
53 // PR6108: Correctly select 'long' built in type on 64-bit platforms for 64 bit
54 // modes. Also test other mode-based conversions.
55 typedef int i8_mode_t __attribute__ ((__mode__ (__QI__)));
56 typedef unsigned int ui8_mode_t __attribute__ ((__mode__ (__QI__)));
57 typedef int i16_mode_t __attribute__ ((__mode__ (__HI__)));
58 typedef unsigned int ui16_mode_t __attribute__ ((__mode__ (__HI__)));
59 typedef int i32_mode_t __attribute__ ((__mode__ (__SI__)));
60 typedef unsigned int ui32_mode_t __attribute__ ((__mode__ (__SI__)));
61 typedef int i64_mode_t __attribute__ ((__mode__ (__DI__)));
62 typedef unsigned int ui64_mode_t __attribute__ ((__mode__ (__DI__)));
f_i8_arg(i8_mode_t * x)63 void f_i8_arg(i8_mode_t* x) { (void)x; }
f_ui8_arg(ui8_mode_t * x)64 void f_ui8_arg(ui8_mode_t* x) { (void)x; }
f_i16_arg(i16_mode_t * x)65 void f_i16_arg(i16_mode_t* x) { (void)x; }
f_ui16_arg(ui16_mode_t * x)66 void f_ui16_arg(ui16_mode_t* x) { (void)x; }
f_i32_arg(i32_mode_t * x)67 void f_i32_arg(i32_mode_t* x) { (void)x; }
f_ui32_arg(ui32_mode_t * x)68 void f_ui32_arg(ui32_mode_t* x) { (void)x; }
f_i64_arg(i64_mode_t * x)69 void f_i64_arg(i64_mode_t* x) { (void)x; }
f_ui64_arg(ui64_mode_t * x)70 void f_ui64_arg(ui64_mode_t* x) { (void)x; }
test_char_to_i8(signed char * y)71 void test_char_to_i8(signed char* y) { f_i8_arg(y); }
test_char_to_ui8(unsigned char * y)72 void test_char_to_ui8(unsigned char* y) { f_ui8_arg(y); }
test_short_to_i16(short * y)73 void test_short_to_i16(short* y) { f_i16_arg(y); }
test_short_to_ui16(unsigned short * y)74 void test_short_to_ui16(unsigned short* y) { f_ui16_arg(y); }
test_int_to_i32(int * y)75 void test_int_to_i32(int* y) { f_i32_arg(y); }
test_int_to_ui32(unsigned int * y)76 void test_int_to_ui32(unsigned int* y) { f_ui32_arg(y); }
77 #if TEST_32BIT_X86
test_long_to_i64(long long * y)78 void test_long_to_i64(long long* y) { f_i64_arg(y); }
test_long_to_ui64(unsigned long long * y)79 void test_long_to_ui64(unsigned long long* y) { f_ui64_arg(y); }
80 #elif TEST_64BIT_X86
81 #ifdef __ILP32__
82 typedef unsigned int gcc_word __attribute__((mode(word)));
83 int foo[sizeof(gcc_word) == 8 ? 1 : -1];
84 typedef unsigned int gcc_unwind_word __attribute__((mode(unwind_word)));
85 int foo[sizeof(gcc_unwind_word) == 8 ? 1 : -1];
test_long_to_i64(long long * y)86 void test_long_to_i64(long long* y) { f_i64_arg(y); }
test_long_to_ui64(unsigned long long * y)87 void test_long_to_ui64(unsigned long long* y) { f_ui64_arg(y); }
88 #else
test_long_to_i64(long * y)89 void test_long_to_i64(long* y) { f_i64_arg(y); }
test_long_to_ui64(unsigned long * y)90 void test_long_to_ui64(unsigned long* y) { f_ui64_arg(y); }
91 #endif
92 typedef          float f128ibm __attribute__ ((mode (TF)));
93 #elif TEST_64BIT_PPC64
94 typedef          float f128ibm __attribute__ ((mode (TF)));
95 typedef _Complex float c128ibm __attribute__ ((mode (TC)));
96 void f_ft128_arg(long double *x);
97 void f_ft128_complex_arg(_Complex long double *x);
test_TFtype(f128ibm * a)98 void test_TFtype(f128ibm *a) { f_ft128_arg (a); }
test_TCtype(c128ibm * a)99 void test_TCtype(c128ibm *a) { f_ft128_complex_arg (a); }
100 typedef float w128ibm __attribute__((mode(IF)));
101 typedef _Complex float cw128ibm __attribute__((mode(IC)));
102 void f_ibm128_arg(__ibm128 *x);
103 void f_ibm128_complex_arg(_Complex __ibm128 *x);
test_IFtype(w128ibm * a)104 void test_IFtype(w128ibm *a) { f_ibm128_arg(a); }
test_ICtype(cw128ibm * a)105 void test_ICtype(cw128ibm *a) { f_ibm128_complex_arg(a); }
106 #elif TEST_F128_PPC64
107 typedef int invalid_7 __attribute((mode(KF))); // expected-error{{type of machine mode does not match type of base type}}
108 typedef int invalid_8 __attribute((mode(KI))); // expected-error{{unknown machine mode}}
109 typedef _Complex float cf128 __attribute__((mode(KC)));
110 typedef float f128 __attribute__((mode(KF)));
111 void f_f128_arg(__float128 *x);
112 void f_f128_complex_arg(_Complex __float128 *x);
test_KFtype(f128 * a)113 void test_KFtype(f128 *a) { f_f128_arg(a); }
test_KCtype(cf128 * a)114 void test_KCtype(cf128 *a) { f_f128_complex_arg(a); }
115 #elif TEST_MIPS_32
116 typedef unsigned int gcc_unwind_word __attribute__((mode(unwind_word)));
117 int foo[sizeof(gcc_unwind_word) == 4 ? 1 : -1];
118 #elif TEST_MIPS_N32
119 typedef unsigned int gcc_unwind_word __attribute__((mode(unwind_word)));
120 int foo[sizeof(gcc_unwind_word) == 8 ? 1 : -1];
121 #elif TEST_MIPS_64
122 typedef unsigned int gcc_unwind_word __attribute__((mode(unwind_word)));
123 int foo[sizeof(gcc_unwind_word) == 8 ? 1 : -1];
124 #else
125 #error Unknown test architecture.
126 #endif
127 
128 struct S {
129   int n __attribute((mode(HI)));
130 };
131