1 // REQUIRES: arm-registered-target 2 // RUN: %clang_cc1 -target-abi apcs-gnu -triple armv7-apple-darwin10 %s -verify 3 // expected-no-diagnostics 4 // 5 // Note: gcc forces the alignment to 4 bytes, regardless of the type of the 6 // zero length bitfield. 7 // rdar://9859156 8 9 #include <stddef.h> 10 11 struct t1 12 { 13 int foo : 1; 14 char : 0; 15 char bar; 16 }; 17 static int arr1_offset[(offsetof(struct t1, bar) == 4) ? 0 : -1]; 18 static int arr1_sizeof[(sizeof(struct t1) == 8) ? 0 : -1]; 19 20 struct t2 21 { 22 int foo : 1; 23 short : 0; 24 char bar; 25 }; 26 static int arr2_offset[(offsetof(struct t2, bar) == 4) ? 0 : -1]; 27 static int arr2_sizeof[(sizeof(struct t2) == 8) ? 0 : -1]; 28 29 struct t3 30 { 31 int foo : 1; 32 int : 0; 33 char bar; 34 }; 35 static int arr3_offset[(offsetof(struct t3, bar) == 4) ? 0 : -1]; 36 static int arr3_sizeof[(sizeof(struct t3) == 8) ? 0 : -1]; 37 38 struct t4 39 { 40 int foo : 1; 41 long : 0; 42 char bar; 43 }; 44 static int arr4_offset[(offsetof(struct t4, bar) == 4) ? 0 : -1]; 45 static int arr4_sizeof[(sizeof(struct t4) == 8) ? 0 : -1]; 46 47 struct t5 48 { 49 int foo : 1; 50 long long : 0; 51 char bar; 52 }; 53 static int arr5_offset[(offsetof(struct t5, bar) == 4) ? 0 : -1]; 54 static int arr5_sizeof[(sizeof(struct t5) == 8) ? 0 : -1]; 55 56 struct t6 57 { 58 int foo : 1; 59 char : 0; 60 char bar : 1; 61 char bar2; 62 }; 63 static int arr6_offset[(offsetof(struct t6, bar2) == 5) ? 0 : -1]; 64 static int arr6_sizeof[(sizeof(struct t6) == 8) ? 0 : -1]; 65 66 struct t7 67 { 68 int foo : 1; 69 short : 0; 70 char bar1 : 1; 71 char bar2; 72 }; 73 static int arr7_offset[(offsetof(struct t7, bar2) == 5) ? 0 : -1]; 74 static int arr7_sizeof[(sizeof(struct t7) == 8) ? 0 : -1]; 75 76 struct t8 77 { 78 int foo : 1; 79 int : 0; 80 char bar1 : 1; 81 char bar2; 82 }; 83 static int arr8_offset[(offsetof(struct t8, bar2) == 5) ? 0 : -1]; 84 static int arr8_sizeof[(sizeof(struct t8) == 8) ? 0 : -1]; 85 86 struct t9 87 { 88 int foo : 1; 89 long : 0; 90 char bar1 : 1; 91 char bar2; 92 }; 93 static int arr9_offset[(offsetof(struct t9, bar2) == 5) ? 0 : -1]; 94 static int arr9_sizeof[(sizeof(struct t9) == 8) ? 0 : -1]; 95 96 struct t10 97 { 98 int foo : 1; 99 long long : 0; 100 char bar1 : 1; 101 char bar2; 102 }; 103 static int arr10_offset[(offsetof(struct t10, bar2) == 5) ? 0 : -1]; 104 static int arr10_sizeof[(sizeof(struct t10) == 8) ? 0 : -1]; 105 106 struct t11 107 { 108 int foo : 1; 109 long long : 0; 110 char : 0; 111 char bar1 : 1; 112 char bar2; 113 }; 114 static int arr11_offset[(offsetof(struct t11, bar2) == 5) ? 0 : -1]; 115 static int arr11_sizeof[(sizeof(struct t11) == 8) ? 0 : -1]; 116 117 struct t12 118 { 119 int foo : 1; 120 char : 0; 121 long long : 0; 122 char : 0; 123 char bar; 124 }; 125 static int arr12_offset[(offsetof(struct t12, bar) == 4) ? 0 : -1]; 126 static int arr12_sizeof[(sizeof(struct t12) == 8) ? 0 : -1]; 127 128 struct t13 129 { 130 char foo; 131 long : 0; 132 char bar; 133 }; 134 static int arr13_offset[(offsetof(struct t13, bar) == 4) ? 0 : -1]; 135 static int arr13_sizeof[(sizeof(struct t13) == 8) ? 0 : -1]; 136 137 struct t14 138 { 139 char foo1; 140 int : 0; 141 char foo2 : 1; 142 short foo3 : 16; 143 char : 0; 144 short foo4 : 16; 145 char bar1; 146 int : 0; 147 char bar2; 148 }; 149 static int arr14_bar1_offset[(offsetof(struct t14, bar1) == 10) ? 0 : -1]; 150 static int arr14_bar2_offset[(offsetof(struct t14, bar2) == 12) ? 0 : -1]; 151 static int arr14_sizeof[(sizeof(struct t14) == 16) ? 0 : -1]; 152 153 struct t15 154 { 155 char foo; 156 char : 0; 157 int : 0; 158 char bar; 159 long : 0; 160 char : 0; 161 }; 162 static int arr15_offset[(offsetof(struct t15, bar) == 4) ? 0 : -1]; 163 static int arr15_sizeof[(sizeof(struct t15) == 8) ? 0 : -1]; 164 165 struct t16 166 { 167 long : 0; 168 char bar; 169 }; 170 static int arr16_offset[(offsetof(struct t16, bar) == 0) ? 0 : -1]; 171 static int arr16_sizeof[(sizeof(struct t16) == 4) ? 0 : -1]; 172 173 struct t17 174 { 175 char foo; 176 long : 0; 177 long : 0; 178 char : 0; 179 char bar; 180 }; 181 static int arr17_offset[(offsetof(struct t17, bar) == 4) ? 0 : -1]; 182 static int arr17_sizeof[(sizeof(struct t17) == 8) ? 0 : -1]; 183 184 struct t18 185 { 186 long : 0; 187 long : 0; 188 char : 0; 189 }; 190 static int arr18_sizeof[(sizeof(struct t18) == 0) ? 0 : -1]; 191 192 struct t19 193 { 194 char foo1; 195 long foo2 : 1; 196 char : 0; 197 long foo3 : 32; 198 char bar; 199 }; 200 static int arr19_offset[(offsetof(struct t19, bar) == 8) ? 0 : -1]; 201 static int arr19_sizeof[(sizeof(struct t19) == 12) ? 0 : -1]; 202 203 struct t20 204 { 205 short : 0; 206 int foo : 1; 207 long : 0; 208 char bar; 209 }; 210 static int arr20_offset[(offsetof(struct t20, bar) == 4) ? 0 : -1]; 211 static int arr20_sizeof[(sizeof(struct t20) == 8) ? 0 : -1]; 212 213 struct t21 214 { 215 short : 0; 216 int foo1 : 1; 217 char : 0; 218 int foo2 : 16; 219 long : 0; 220 char bar1; 221 int bar2; 222 long bar3; 223 char foo3 : 8; 224 char : 0; 225 long : 0; 226 int foo4 : 32; 227 short foo5: 1; 228 long bar4; 229 short foo6: 16; 230 short foo7: 16; 231 short foo8: 16; 232 }; 233 static int arr21_bar1_offset[(offsetof(struct t21, bar1) == 8) ? 0 : -1]; 234 static int arr21_bar2_offset[(offsetof(struct t21, bar2) == 12) ? 0 : -1]; 235 static int arr21_bar3_offset[(offsetof(struct t21, bar3) == 16) ? 0 : -1]; 236 static int arr21_bar4_offset[(offsetof(struct t21, bar4) == 32) ? 0 : -1]; 237 static int arr21_sizeof[(sizeof(struct t21) == 44) ? 0 : -1]; 238 239 int main() { 240 return 0; 241 } 242 243
