1 // RUN: %clang_cc1 -target-abi apcs-gnu -triple armv7-apple-darwin10 %s -verify 2 // 3 // Note: gcc forces the alignment to 4 bytes, regardless of the type of the 4 // zero length bitfield. 5 // rdar://9859156 6 7 #include <stddef.h> 8 9 struct t1 10 { 11 int foo : 1; 12 char : 0; 13 char bar; 14 }; 15 static int arr1_offset[(offsetof(struct t1, bar) == 4) ? 0 : -1]; 16 static int arr1_sizeof[(sizeof(struct t1) == 8) ? 0 : -1]; 17 18 struct t2 19 { 20 int foo : 1; 21 short : 0; 22 char bar; 23 }; 24 static int arr2_offset[(offsetof(struct t2, bar) == 4) ? 0 : -1]; 25 static int arr2_sizeof[(sizeof(struct t2) == 8) ? 0 : -1]; 26 27 struct t3 28 { 29 int foo : 1; 30 int : 0; 31 char bar; 32 }; 33 static int arr3_offset[(offsetof(struct t3, bar) == 4) ? 0 : -1]; 34 static int arr3_sizeof[(sizeof(struct t3) == 8) ? 0 : -1]; 35 36 struct t4 37 { 38 int foo : 1; 39 long : 0; 40 char bar; 41 }; 42 static int arr4_offset[(offsetof(struct t4, bar) == 4) ? 0 : -1]; 43 static int arr4_sizeof[(sizeof(struct t4) == 8) ? 0 : -1]; 44 45 struct t5 46 { 47 int foo : 1; 48 long long : 0; 49 char bar; 50 }; 51 static int arr5_offset[(offsetof(struct t5, bar) == 4) ? 0 : -1]; 52 static int arr5_sizeof[(sizeof(struct t5) == 8) ? 0 : -1]; 53 54 struct t6 55 { 56 int foo : 1; 57 char : 0; 58 char bar : 1; 59 char bar2; 60 }; 61 static int arr6_offset[(offsetof(struct t6, bar2) == 5) ? 0 : -1]; 62 static int arr6_sizeof[(sizeof(struct t6) == 8) ? 0 : -1]; 63 64 struct t7 65 { 66 int foo : 1; 67 short : 0; 68 char bar1 : 1; 69 char bar2; 70 }; 71 static int arr7_offset[(offsetof(struct t7, bar2) == 5) ? 0 : -1]; 72 static int arr7_sizeof[(sizeof(struct t7) == 8) ? 0 : -1]; 73 74 struct t8 75 { 76 int foo : 1; 77 int : 0; 78 char bar1 : 1; 79 char bar2; 80 }; 81 static int arr8_offset[(offsetof(struct t8, bar2) == 5) ? 0 : -1]; 82 static int arr8_sizeof[(sizeof(struct t8) == 8) ? 0 : -1]; 83 84 struct t9 85 { 86 int foo : 1; 87 long : 0; 88 char bar1 : 1; 89 char bar2; 90 }; 91 static int arr9_offset[(offsetof(struct t9, bar2) == 5) ? 0 : -1]; 92 static int arr9_sizeof[(sizeof(struct t9) == 8) ? 0 : -1]; 93 94 struct t10 95 { 96 int foo : 1; 97 long long : 0; 98 char bar1 : 1; 99 char bar2; 100 }; 101 static int arr10_offset[(offsetof(struct t10, bar2) == 5) ? 0 : -1]; 102 static int arr10_sizeof[(sizeof(struct t10) == 8) ? 0 : -1]; 103 104 struct t11 105 { 106 int foo : 1; 107 long long : 0; 108 char : 0; 109 char bar1 : 1; 110 char bar2; 111 }; 112 static int arr11_offset[(offsetof(struct t11, bar2) == 5) ? 0 : -1]; 113 static int arr11_sizeof[(sizeof(struct t11) == 8) ? 0 : -1]; 114 115 struct t12 116 { 117 int foo : 1; 118 char : 0; 119 long long : 0; 120 char : 0; 121 char bar; 122 }; 123 static int arr12_offset[(offsetof(struct t12, bar) == 4) ? 0 : -1]; 124 static int arr12_sizeof[(sizeof(struct t12) == 8) ? 0 : -1]; 125 126 struct t13 127 { 128 char foo; 129 long : 0; 130 char bar; 131 }; 132 static int arr13_offset[(offsetof(struct t13, bar) == 4) ? 0 : -1]; 133 static int arr13_sizeof[(sizeof(struct t13) == 8) ? 0 : -1]; 134 135 struct t14 136 { 137 char foo1; 138 int : 0; 139 char foo2 : 1; 140 short foo3 : 16; 141 char : 0; 142 short foo4 : 16; 143 char bar1; 144 int : 0; 145 char bar2; 146 }; 147 static int arr14_bar1_offset[(offsetof(struct t14, bar1) == 10) ? 0 : -1]; 148 static int arr14_bar2_offset[(offsetof(struct t14, bar2) == 12) ? 0 : -1]; 149 static int arr14_sizeof[(sizeof(struct t14) == 16) ? 0 : -1]; 150 151 struct t15 152 { 153 char foo; 154 char : 0; 155 int : 0; 156 char bar; 157 long : 0; 158 char : 0; 159 }; 160 static int arr15_offset[(offsetof(struct t15, bar) == 4) ? 0 : -1]; 161 static int arr15_sizeof[(sizeof(struct t15) == 8) ? 0 : -1]; 162 163 struct t16 164 { 165 long : 0; 166 char bar; 167 }; 168 static int arr16_offset[(offsetof(struct t16, bar) == 0) ? 0 : -1]; 169 static int arr16_sizeof[(sizeof(struct t16) == 4) ? 0 : -1]; 170 171 struct t17 172 { 173 char foo; 174 long : 0; 175 long : 0; 176 char : 0; 177 char bar; 178 }; 179 static int arr17_offset[(offsetof(struct t17, bar) == 4) ? 0 : -1]; 180 static int arr17_sizeof[(sizeof(struct t17) == 8) ? 0 : -1]; 181 182 struct t18 183 { 184 long : 0; 185 long : 0; 186 char : 0; 187 }; 188 static int arr18_sizeof[(sizeof(struct t18) == 0) ? 0 : -1]; 189 190 struct t19 191 { 192 char foo1; 193 long foo2 : 1; 194 char : 0; 195 long foo3 : 32; 196 char bar; 197 }; 198 static int arr19_offset[(offsetof(struct t19, bar) == 8) ? 0 : -1]; 199 static int arr19_sizeof[(sizeof(struct t19) == 12) ? 0 : -1]; 200 201 struct t20 202 { 203 short : 0; 204 int foo : 1; 205 long : 0; 206 char bar; 207 }; 208 static int arr20_offset[(offsetof(struct t20, bar) == 4) ? 0 : -1]; 209 static int arr20_sizeof[(sizeof(struct t20) == 8) ? 0 : -1]; 210 211 struct t21 212 { 213 short : 0; 214 int foo1 : 1; 215 char : 0; 216 int foo2 : 16; 217 long : 0; 218 char bar1; 219 int bar2; 220 long bar3; 221 char foo3 : 8; 222 char : 0; 223 long : 0; 224 int foo4 : 32; 225 short foo5: 1; 226 long bar4; 227 short foo6: 16; 228 short foo7: 16; 229 short foo8: 16; 230 }; 231 static int arr21_bar1_offset[(offsetof(struct t21, bar1) == 8) ? 0 : -1]; 232 static int arr21_bar2_offset[(offsetof(struct t21, bar2) == 12) ? 0 : -1]; 233 static int arr21_bar3_offset[(offsetof(struct t21, bar3) == 16) ? 0 : -1]; 234 static int arr21_bar4_offset[(offsetof(struct t21, bar4) == 32) ? 0 : -1]; 235 static int arr21_sizeof[(sizeof(struct t21) == 44) ? 0 : -1]; 236 237 int main() { 238 return 0; 239 } 240 241
