1 // RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>&1 \ 2 // RUN: | FileCheck %s 3 // RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>/dev/null \ 4 // RUN: | FileCheck %s -check-prefix CHECK-X64 5 6 extern "C" int printf(const char *fmt, ...); 7 char buffer[419430400]; 8 9 struct A { 10 char a; AA11 A() { 12 printf("A = %d\n", (int)((char*)this - buffer)); 13 printf("A.a = %d\n", (int)((char*)&a - buffer)); 14 } 15 }; 16 17 struct B { 18 __declspec(align(4)) long long a; BB19 B() { 20 printf("B = %d\n", (int)((char*)this - buffer)); 21 printf("B.a = %d\n", (int)((char*)&a - buffer)); 22 } 23 }; 24 25 #pragma pack(push, 2) 26 struct X { 27 B a; 28 char b; 29 int c; XX30 X() { 31 printf("X = %d\n", (int)((char*)this - buffer)); 32 printf("X.a = %d\n", (int)((char*)&a - buffer)); 33 printf("X.b = %d\n", (int)((char*)&b - buffer)); 34 printf("X.c = %d\n", (int)((char*)&c - buffer)); 35 } 36 }; 37 38 // CHECK: *** Dumping AST Record Layout 39 // CHECK: *** Dumping AST Record Layout 40 // CHECK-NEXT: 0 | struct X 41 // CHECK-NEXT: 0 | struct B a 42 // CHECK-NEXT: 0 | long long a 43 // CHECK-NEXT: | [sizeof=8, align=8 44 // CHECK-NEXT: | nvsize=8, nvalign=8] 45 // CHECK-NEXT: 8 | char b 46 // CHECK-NEXT: 10 | int c 47 // CHECK-NEXT: | [sizeof=16, align=4 48 // CHECK-NEXT: | nvsize=14, nvalign=4] 49 // CHECK-X64: *** Dumping AST Record Layout 50 // CHECK-X64: *** Dumping AST Record Layout 51 // CHECK-X64-NEXT: 0 | struct X 52 // CHECK-X64-NEXT: 0 | struct B a 53 // CHECK-X64-NEXT: 0 | long long a 54 // CHECK-X64-NEXT: | [sizeof=8, align=8 55 // CHECK-X64-NEXT: | nvsize=8, nvalign=8] 56 // CHECK-X64-NEXT: 8 | char b 57 // CHECK-X64-NEXT: 10 | int c 58 // CHECK-X64-NEXT: | [sizeof=16, align=4 59 // CHECK-X64-NEXT: | nvsize=14, nvalign=4] 60 61 struct Y : A, B { 62 char a; 63 int b; YY64 Y() { 65 printf("Y = %d\n", (int)((char*)this - buffer)); 66 printf("Y.a = %d\n", (int)((char*)&a - buffer)); 67 printf("Y.b = %d\n", (int)((char*)&b - buffer)); 68 } 69 }; 70 71 // CHECK: *** Dumping AST Record Layout 72 // CHECK: *** Dumping AST Record Layout 73 // CHECK-NEXT: 0 | struct Y 74 // CHECK-NEXT: 0 | struct A (base) 75 // CHECK-NEXT: 0 | char a 76 // CHECK-NEXT: 4 | struct B (base) 77 // CHECK-NEXT: 4 | long long a 78 // CHECK-NEXT: 12 | char a 79 // CHECK-NEXT: 14 | int b 80 // CHECK-NEXT: | [sizeof=20, align=4 81 // CHECK-NEXT: | nvsize=18, nvalign=4] 82 // CHECK-X64: *** Dumping AST Record Layout 83 // CHECK-X64: *** Dumping AST Record Layout 84 // CHECK-X64-NEXT: 0 | struct Y 85 // CHECK-X64-NEXT: 0 | struct A (base) 86 // CHECK-X64-NEXT: 0 | char a 87 // CHECK-X64-NEXT: 4 | struct B (base) 88 // CHECK-X64-NEXT: 4 | long long a 89 // CHECK-X64-NEXT: 12 | char a 90 // CHECK-X64-NEXT: 14 | int b 91 // CHECK-X64-NEXT: | [sizeof=20, align=4 92 // CHECK-X64-NEXT: | nvsize=18, nvalign=4] 93 94 struct Z : virtual B { 95 char a; 96 int b; ZZ97 Z() { 98 printf("Z = %d\n", (int)((char*)this - buffer)); 99 printf("Z.a = %d\n", (int)((char*)&a - buffer)); 100 printf("Z.b = %d\n", (int)((char*)&b - buffer)); 101 } 102 }; 103 104 // CHECK: *** Dumping AST Record Layout 105 // CHECK-NEXT: 0 | struct Z 106 // CHECK-NEXT: 0 | (Z vbtable pointer) 107 // CHECK-NEXT: 4 | char a 108 // CHECK-NEXT: 6 | int b 109 // CHECK-NEXT: 12 | struct B (virtual base) 110 // CHECK-NEXT: 12 | long long a 111 // CHECK-NEXT: | [sizeof=20, align=4 112 // CHECK-NEXT: | nvsize=10, nvalign=4] 113 // CHECK-X64: *** Dumping AST Record Layout 114 // CHECK-X64-NEXT: 0 | struct Z 115 // CHECK-X64-NEXT: 0 | (Z vbtable pointer) 116 // CHECK-X64-NEXT: 8 | char a 117 // CHECK-X64-NEXT: 10 | int b 118 // CHECK-X64-NEXT: 16 | struct B (virtual base) 119 // CHECK-X64-NEXT: 16 | long long a 120 // CHECK-X64-NEXT: | [sizeof=24, align=4 121 // CHECK-X64-NEXT: | nvsize=14, nvalign=4] 122 123 #pragma pack(pop) 124 125 struct A1 { long long a; }; 126 #pragma pack(push, 1) 127 struct B1 : virtual A1 { char a; }; 128 #pragma pack(pop) 129 struct C1 : B1 {}; 130 131 // CHECK: *** Dumping AST Record Layout 132 // CHECK: *** Dumping AST Record Layout 133 // CHECK: *** Dumping AST Record Layout 134 // CHECK-NEXT: 0 | struct C1 135 // CHECK-NEXT: 0 | struct B1 (base) 136 // CHECK-NEXT: 0 | (B1 vbtable pointer) 137 // CHECK-NEXT: 4 | char a 138 // CHECK-NEXT: 8 | struct A1 (virtual base) 139 // CHECK-NEXT: 8 | long long a 140 // CHECK-NEXT: | [sizeof=16, align=8 141 // CHECK-NEXT: | nvsize=5, nvalign=8] 142 // CHECK-X64: *** Dumping AST Record Layout 143 // CHECK-X64: *** Dumping AST Record Layout 144 // CHECK-X64: *** Dumping AST Record Layout 145 // CHECK-X64-NEXT: 0 | struct C1 146 // CHECK-X64-NEXT: 0 | struct B1 (base) 147 // CHECK-X64-NEXT: 0 | (B1 vbtable pointer) 148 // CHECK-X64-NEXT: 8 | char a 149 // CHECK-X64-NEXT: 16 | struct A1 (virtual base) 150 // CHECK-X64-NEXT: 16 | long long a 151 // CHECK-X64-NEXT: | [sizeof=24, align=8 152 // CHECK-X64-NEXT: | nvsize=9, nvalign=8] 153 154 struct CA0 { CA0CA0155 CA0() {} 156 }; 157 struct CA1 : virtual CA0 { CA1CA1158 CA1() {} 159 }; 160 #pragma pack(push, 1) 161 struct CA2 : public CA1, public CA0 { CA2MethodCA2162 virtual void CA2Method() {} CA2CA2163 CA2() {} 164 }; 165 #pragma pack(pop) 166 167 // CHECK: *** Dumping AST Record Layout 168 // CHECK: *** Dumping AST Record Layout 169 // CHECK: *** Dumping AST Record Layout 170 // CHECK-NEXT: 0 | struct CA2 171 // CHECK-NEXT: 0 | (CA2 vftable pointer) 172 // CHECK-NEXT: 4 | struct CA1 (base) 173 // CHECK-NEXT: 4 | (CA1 vbtable pointer) 174 // CHECK-NEXT: 9 | struct CA0 (base) (empty) 175 // CHECK-NEXT: 9 | struct CA0 (virtual base) (empty) 176 // CHECK-NEXT: | [sizeof=9, align=1 177 // CHECK-NEXT: | nvsize=9, nvalign=1] 178 // CHECK-X64: *** Dumping AST Record Layout 179 // CHECK-X64: *** Dumping AST Record Layout 180 // CHECK-X64: *** Dumping AST Record Layout 181 // CHECK-X64-NEXT: 0 | struct CA2 182 // CHECK-X64-NEXT: 0 | (CA2 vftable pointer) 183 // CHECK-X64-NEXT: 8 | struct CA1 (base) 184 // CHECK-X64-NEXT: 8 | (CA1 vbtable pointer) 185 // CHECK-X64-NEXT: 17 | struct CA0 (base) (empty) 186 // CHECK-X64-NEXT: 17 | struct CA0 (virtual base) (empty) 187 // CHECK-X64-NEXT: | [sizeof=17, align=1 188 // CHECK-X64-NEXT: | nvsize=17, nvalign=1] 189 190 #pragma pack(16) 191 struct YA { 192 __declspec(align(32)) char : 1; 193 }; 194 // CHECK: *** Dumping AST Record Layout 195 // CHECK-NEXT: 0 | struct YA (empty) 196 // CHECK-NEXT: 0 | char 197 // CHECK-NEXT: | [sizeof=32, align=32 198 // CHECK-NEXT: | nvsize=32, nvalign=32] 199 // CHECK-X64: *** Dumping AST Record Layout 200 // CHECK-X64-NEXT: 0 | struct YA (empty) 201 // CHECK-X64-NEXT: 0 | char 202 // CHECK-X64-NEXT: | [sizeof=32, align=32 203 // CHECK-X64-NEXT: | nvsize=32, nvalign=32] 204 205 #pragma pack(1) 206 struct YB { 207 char a; 208 YA b; 209 }; 210 // CHECK: *** Dumping AST Record Layout 211 // CHECK-NEXT: 0 | struct YB 212 // CHECK-NEXT: 0 | char a 213 // CHECK-NEXT: 1 | struct YA b (empty) 214 // CHECK-NEXT: 1 | char 215 // CHECK-NEXT: | [sizeof=32, align=32 216 // CHECK-NEXT: | nvsize=32, nvalign=32] 217 // CHECK-NEXT: | [sizeof=33, align=1 218 // CHECK-NEXT: | nvsize=33, nvalign=1] 219 // CHECK-X64: *** Dumping AST Record Layout 220 // CHECK-X64-NEXT: 0 | struct YB 221 // CHECK-X64-NEXT: 0 | char a 222 // CHECK-X64-NEXT: 1 | struct YA b (empty) 223 // CHECK-X64-NEXT: 1 | char 224 // CHECK-X64-NEXT: | [sizeof=32, align=32 225 // CHECK-X64-NEXT: | nvsize=32, nvalign=32] 226 // CHECK-X64-NEXT: | [sizeof=33, align=1 227 // CHECK-X64-NEXT: | nvsize=33, nvalign=1] 228 229 #pragma pack(8) 230 struct YC { 231 __declspec(align(32)) char : 1; 232 }; 233 // CHECK: *** Dumping AST Record Layout 234 // CHECK-NEXT: 0 | struct YC (empty) 235 // CHECK-NEXT: 0 | char 236 // CHECK-NEXT: | [sizeof=32, align=32 237 // CHECK-NEXT: | nvsize=32, nvalign=32] 238 // CHECK-X64: *** Dumping AST Record Layout 239 // CHECK-X64-NEXT: 0 | struct YC (empty) 240 // CHECK-X64-NEXT: 0 | char 241 // CHECK-X64-NEXT: | [sizeof=8, align=32 242 // CHECK-X64-NEXT: | nvsize=8, nvalign=32] 243 244 #pragma pack(1) 245 struct YD { 246 char a; 247 YC b; 248 }; 249 // CHECK: *** Dumping AST Record Layout 250 // CHECK-NEXT: 0 | struct YD 251 // CHECK-NEXT: 0 | char a 252 // CHECK-NEXT: 1 | struct YC b (empty) 253 // CHECK-NEXT: 1 | char 254 // CHECK-NEXT: | [sizeof=32, align=32 255 // CHECK-NEXT: | nvsize=32, nvalign=32] 256 // CHECK-NEXT: | [sizeof=33, align=1 257 // CHECK-NEXT: | nvsize=33, nvalign=1] 258 // CHECK-X64: *** Dumping AST Record Layout 259 // CHECK-X64-NEXT: 0 | struct YD 260 // CHECK-X64-NEXT: 0 | char a 261 // CHECK-X64-NEXT: 1 | struct YC b (empty) 262 // CHECK-X64-NEXT: 1 | char 263 // CHECK-X64-NEXT: | [sizeof=8, align=32 264 // CHECK-X64-NEXT: | nvsize=8, nvalign=32] 265 // CHECK-X64-NEXT: | [sizeof=9, align=1 266 // CHECK-X64-NEXT: | nvsize=9, nvalign=1] 267 268 #pragma pack(4) 269 struct YE { 270 __declspec(align(32)) char : 1; 271 }; 272 // CHECK: *** Dumping AST Record Layout 273 // CHECK-NEXT: 0 | struct YE (empty) 274 // CHECK-NEXT: 0 | char 275 // CHECK-NEXT: | [sizeof=4, align=32 276 // CHECK-NEXT: | nvsize=4, nvalign=32] 277 // CHECK-X64: *** Dumping AST Record Layout 278 // CHECK-X64-NEXT: 0 | struct YE (empty) 279 // CHECK-X64-NEXT: 0 | char 280 // CHECK-X64-NEXT: | [sizeof=4, align=32 281 // CHECK-X64-NEXT: | nvsize=4, nvalign=32] 282 283 #pragma pack(1) 284 struct YF { 285 char a; 286 YE b; 287 }; 288 // CHECK: *** Dumping AST Record Layout 289 // CHECK-NEXT: 0 | struct YF 290 // CHECK-NEXT: 0 | char a 291 // CHECK-NEXT: 1 | struct YE b (empty) 292 // CHECK-NEXT: 1 | char 293 // CHECK-NEXT: | [sizeof=4, align=32 294 // CHECK-NEXT: | nvsize=4, nvalign=32] 295 // CHECK-NEXT: | [sizeof=5, align=1 296 // CHECK-NEXT: | nvsize=5, nvalign=1] 297 // CHECK-X64: *** Dumping AST Record Layout 298 // CHECK-X64-NEXT: 0 | struct YF 299 // CHECK-X64-NEXT: 0 | char a 300 // CHECK-X64-NEXT: 1 | struct YE b (empty) 301 // CHECK-X64-NEXT: 1 | char 302 // CHECK-X64-NEXT: | [sizeof=4, align=32 303 // CHECK-X64-NEXT: | nvsize=4, nvalign=32] 304 // CHECK-X64-NEXT: | [sizeof=5, align=1 305 // CHECK-X64-NEXT: | nvsize=5, nvalign=1] 306 307 #pragma pack(16) 308 struct __declspec(align(16)) D0 { char a; }; 309 #pragma pack(1) 310 struct D1 : public D0 { char a; }; 311 #pragma pack(16) 312 struct D2 : D1 { char a; }; 313 314 // CHECK: *** Dumping AST Record Layout 315 // CHECK: *** Dumping AST Record Layout 316 // CHECK: *** Dumping AST Record Layout 317 // CHECK-NEXT: 0 | struct D2 318 // CHECK-NEXT: 0 | struct D1 (base) 319 // CHECK-NEXT: 0 | struct D0 (base) 320 // CHECK-NEXT: 0 | char a 321 // CHECK-NEXT: 1 | char a 322 // CHECK-NEXT: 2 | char a 323 // CHECK-NEXT: | [sizeof=16, align=16 324 // CHECK-NEXT: | nvsize=16, nvalign=16] 325 // CHECK-X64: *** Dumping AST Record Layout 326 // CHECK-X64: *** Dumping AST Record Layout 327 // CHECK-X64: *** Dumping AST Record Layout 328 // CHECK-X64-NEXT: 0 | struct D2 329 // CHECK-X64-NEXT: 0 | struct D1 (base) 330 // CHECK-X64-NEXT: 0 | struct D0 (base) 331 // CHECK-X64-NEXT: 0 | char a 332 // CHECK-X64-NEXT: 1 | char a 333 // CHECK-X64-NEXT: 2 | char a 334 // CHECK-X64-NEXT: | [sizeof=16, align=16 335 // CHECK-X64-NEXT: | nvsize=16, nvalign=16] 336 337 #pragma pack() 338 struct JA { char a; }; 339 #pragma pack(1) 340 struct JB { __declspec(align(4)) char a; }; 341 #pragma pack() 342 struct JC : JB, JA { }; 343 344 // CHECK: *** Dumping AST Record Layout 345 // CHECK: *** Dumping AST Record Layout 346 // CHECK: *** Dumping AST Record Layout 347 // CHECK-NEXT: 0 | struct JC 348 // CHECK-NEXT: 0 | struct JB (base) 349 // CHECK-NEXT: 0 | char a 350 // CHECK-NEXT: 1 | struct JA (base) 351 // CHECK-NEXT: 1 | char a 352 // CHECK-NEXT: | [sizeof=4, align=4 353 // CHECK-NEXT: | nvsize=4, nvalign=4] 354 // CHECK-X64: *** Dumping AST Record Layout 355 // CHECK-X64: *** Dumping AST Record Layout 356 // CHECK-X64: *** Dumping AST Record Layout 357 // CHECK-X64-NEXT: 0 | struct JC 358 // CHECK-X64-NEXT: 0 | struct JB (base) 359 // CHECK-X64-NEXT: 0 | char a 360 // CHECK-X64-NEXT: 1 | struct JA (base) 361 // CHECK-X64-NEXT: 1 | char a 362 // CHECK-X64-NEXT: | [sizeof=4, align=4 363 // CHECK-X64-NEXT: | nvsize=4, nvalign=4] 364 365 #pragma pack() 366 struct KA { char a; }; 367 #pragma pack(1) 368 struct KB : KA { __declspec(align(2)) char a; }; 369 370 // CHECK: *** Dumping AST Record Layout 371 // CHECK: *** Dumping AST Record Layout 372 // CHECK-NEXT: 0 | struct KB 373 // CHECK-NEXT: 0 | struct KA (base) 374 // CHECK-NEXT: 0 | char a 375 // CHECK-NEXT: 2 | char a 376 // CHECK-NEXT: | [sizeof=4, align=2 377 // CHECK-NEXT: | nvsize=3, nvalign=2] 378 // CHECK-X64: *** Dumping AST Record Layout 379 // CHECK-X64: *** Dumping AST Record Layout 380 // CHECK-X64-NEXT: 0 | struct KB 381 // CHECK-X64-NEXT: 0 | struct KA (base) 382 // CHECK-X64-NEXT: 0 | char a 383 // CHECK-X64-NEXT: 2 | char a 384 // CHECK-X64-NEXT: | [sizeof=4, align=2 385 // CHECK-X64-NEXT: | nvsize=3, nvalign=2] 386 387 #pragma pack(1) 388 struct L { funL389 virtual void fun() {} 390 __declspec(align(256)) int Field; 391 }; 392 393 // CHECK: *** Dumping AST Record Layout 394 // CHECK-NEXT: 0 | struct L 395 // CHECK-NEXT: 0 | (L vftable pointer) 396 // CHECK-NEXT: 256 | int Field 397 // CHECK-NEXT: | [sizeof=512, align=256 398 // CHECK-NEXT: | nvsize=260, nvalign=256] 399 // CHECK-X64: *** Dumping AST Record Layout 400 // CHECK-X64-NEXT: 0 | struct L 401 // CHECK-X64-NEXT: 0 | (L vftable pointer) 402 // CHECK-X64-NEXT: 256 | int Field 403 // CHECK-X64-NEXT: | [sizeof=512, align=256 404 // CHECK-X64-NEXT: | nvsize=260, nvalign=256] 405 406 #pragma pack() 407 struct MA {}; 408 #pragma pack(1) 409 struct MB : virtual MA { 410 __declspec(align(256)) int Field; 411 }; 412 413 // CHECK: *** Dumping AST Record Layout 414 // CHECK: *** Dumping AST Record Layout 415 // CHECK-NEXT: 0 | struct MB 416 // CHECK-NEXT: 0 | (MB vbtable pointer) 417 // CHECK-NEXT: 256 | int Field 418 // CHECK-NEXT: 260 | struct MA (virtual base) (empty) 419 // CHECK-NEXT: | [sizeof=512, align=256 420 // CHECK-NEXT: | nvsize=260, nvalign=256] 421 // CHECK-X64: *** Dumping AST Record Layout 422 // CHECK-X64: *** Dumping AST Record Layout 423 // CHECK-X64-NEXT: 0 | struct MB 424 // CHECK-X64-NEXT: 0 | (MB vbtable pointer) 425 // CHECK-X64-NEXT: 256 | int Field 426 // CHECK-X64-NEXT: 260 | struct MA (virtual base) (empty) 427 // CHECK-X64-NEXT: | [sizeof=512, align=256 428 // CHECK-X64-NEXT: | nvsize=260, nvalign=256] 429 430 struct RA {}; 431 #pragma pack(1) 432 struct __declspec(align(8)) RB0 { 433 __declspec(align(1024)) int b : 3; 434 }; 435 436 struct __declspec(align(8)) RB1 { 437 __declspec(align(1024)) int b : 3; fRB1438 virtual void f() {} 439 }; 440 441 struct __declspec(align(8)) RB2 : virtual RA { 442 __declspec(align(1024)) int b : 3; 443 }; 444 445 struct __declspec(align(8)) RB3 : virtual RA { 446 __declspec(align(1024)) int b : 3; fRB3447 virtual void f() {} 448 }; 449 450 struct RC { 451 char _; 452 __declspec(align(1024)) int c : 3; 453 }; 454 struct RE { 455 char _; 456 RC c; 457 }; 458 #pragma pack() 459 460 // CHECK: *** Dumping AST Record Layout 461 // CHECK-NEXT: 0 | struct RB0 462 // CHECK-NEXT: 0 | int b 463 // CHECK-NEXT: | [sizeof=8, align=1024 464 // CHECK-NEXT: | nvsize=4, nvalign=1024] 465 // CHECK: *** Dumping AST Record Layout 466 // CHECK-NEXT: 0 | struct RB1 467 // CHECK-NEXT: 0 | (RB1 vftable pointer) 468 // CHECK-NEXT: 1024 | int b 469 // CHECK-NEXT: | [sizeof=1032, align=1024 470 // CHECK-NEXT: | nvsize=1028, nvalign=1024] 471 // CHECK: *** Dumping AST Record Layout 472 // CHECK: *** Dumping AST Record Layout 473 // CHECK-NEXT: 0 | struct RB2 474 // CHECK-NEXT: 0 | (RB2 vbtable pointer) 475 // CHECK-NEXT: 1024 | int b 476 // CHECK-NEXT: 1028 | struct RA (virtual base) (empty) 477 // CHECK-NEXT: | [sizeof=1032, align=1024 478 // CHECK-NEXT: | nvsize=1028, nvalign=1024] 479 // CHECK: *** Dumping AST Record Layout 480 // CHECK-NEXT: 0 | struct RB3 481 // CHECK-NEXT: 0 | (RB3 vftable pointer) 482 // CHECK-NEXT: 1024 | (RB3 vbtable pointer) 483 // CHECK-NEXT: 2048 | int b 484 // CHECK-NEXT: 2052 | struct RA (virtual base) (empty) 485 // CHECK-NEXT: | [sizeof=2056, align=1024 486 // CHECK-NEXT: | nvsize=2052, nvalign=1024] 487 // CHECK: *** Dumping AST Record Layout 488 // CHECK-NEXT: 0 | struct RC 489 // CHECK-NEXT: 0 | char _ 490 // CHECK-NEXT: 1024 | int c 491 // CHECK-NEXT: | [sizeof=1028, align=1024 492 // CHECK-NEXT: | nvsize=1028, nvalign=1024] 493 // CHECK: *** Dumping AST Record Layout 494 // CHECK-NEXT: 0 | struct RE 495 // CHECK-NEXT: 0 | char _ 496 // CHECK-NEXT: 1 | struct RC c 497 // CHECK-NEXT: 1 | char _ 498 // CHECK-NEXT: 1025 | int c 499 // CHECK-NEXT: | [sizeof=1028, align=1024 500 // CHECK-NEXT: | nvsize=1028, nvalign=1024] 501 // CHECK-NEXT: | [sizeof=1029, align=1 502 // CHECK-NEXT: | nvsize=1029, nvalign=1] 503 // CHECK-X64: *** Dumping AST Record Layout 504 // CHECK-X64-NEXT: 0 | struct RB0 505 // CHECK-X64-NEXT: 0 | int b 506 // CHECK-X64-NEXT: | [sizeof=8, align=1024 507 // CHECK-X64-NEXT: | nvsize=4, nvalign=1024] 508 // CHECK-X64: *** Dumping AST Record Layout 509 // CHECK-X64-NEXT: 0 | struct RB1 510 // CHECK-X64-NEXT: 0 | (RB1 vftable pointer) 511 // CHECK-X64-NEXT: 1024 | int b 512 // CHECK-X64-NEXT: | [sizeof=1032, align=1024 513 // CHECK-X64-NEXT: | nvsize=1028, nvalign=1024] 514 // CHECK-X64: *** Dumping AST Record Layout 515 // CHECK-X64: *** Dumping AST Record Layout 516 // CHECK-X64-NEXT: 0 | struct RB2 517 // CHECK-X64-NEXT: 0 | (RB2 vbtable pointer) 518 // CHECK-X64-NEXT: 1024 | int b 519 // CHECK-X64-NEXT: 1028 | struct RA (virtual base) (empty) 520 // CHECK-X64-NEXT: | [sizeof=1032, align=1024 521 // CHECK-X64-NEXT: | nvsize=1028, nvalign=1024] 522 // CHECK-X64: *** Dumping AST Record Layout 523 // CHECK-X64-NEXT: 0 | struct RB3 524 // CHECK-X64-NEXT: 0 | (RB3 vftable pointer) 525 // CHECK-X64-NEXT: 1024 | (RB3 vbtable pointer) 526 // CHECK-X64-NEXT: 2048 | int b 527 // CHECK-X64-NEXT: 2052 | struct RA (virtual base) (empty) 528 // CHECK-X64-NEXT: | [sizeof=2056, align=1024 529 // CHECK-X64-NEXT: | nvsize=2052, nvalign=1024] 530 // CHECK-X64: *** Dumping AST Record Layout 531 // CHECK-X64-NEXT: 0 | struct RC 532 // CHECK-X64-NEXT: 0 | char _ 533 // CHECK-X64-NEXT: 1024 | int c 534 // CHECK-X64-NEXT: | [sizeof=1028, align=1024 535 // CHECK-X64-NEXT: | nvsize=1028, nvalign=1024] 536 // CHECK-X64: *** Dumping AST Record Layout 537 // CHECK-X64-NEXT: 0 | struct RE 538 // CHECK-X64-NEXT: 0 | char _ 539 // CHECK-X64-NEXT: 1 | struct RC c 540 // CHECK-X64-NEXT: 1 | char _ 541 // CHECK-X64-NEXT: 1025 | int c 542 // CHECK-X64-NEXT: | [sizeof=1028, align=1024 543 // CHECK-X64-NEXT: | nvsize=1028, nvalign=1024] 544 // CHECK-X64-NEXT: | [sizeof=1029, align=1 545 // CHECK-X64-NEXT: | nvsize=1029, nvalign=1] 546 547 struct NA {}; 548 struct NB {}; 549 #pragma pack(push, 1) 550 struct NC : virtual NA, virtual NB {}; 551 #pragma pack(pop) 552 struct ND : NC {}; 553 554 // CHECK: *** Dumping AST Record Layout 555 // CHECK-NEXT: 0 | struct NA (empty) 556 // CHECK-NEXT: | [sizeof=1, align=1 557 // CHECK-NEXT: | nvsize=0, nvalign=1] 558 // CHECK: *** Dumping AST Record Layout 559 // CHECK-NEXT: 0 | struct NB (empty) 560 // CHECK-NEXT: | [sizeof=1, align=1 561 // CHECK-NEXT: | nvsize=0, nvalign=1] 562 // CHECK: *** Dumping AST Record Layout 563 // CHECK-NEXT: 0 | struct NC 564 // CHECK-NEXT: 0 | (NC vbtable pointer) 565 // CHECK-NEXT: 4 | struct NA (virtual base) (empty) 566 // CHECK-NEXT: 8 | struct NB (virtual base) (empty) 567 // CHECK-NEXT: | [sizeof=8, align=1 568 // CHECK-NEXT: | nvsize=4, nvalign=1] 569 // CHECK: *** Dumping AST Record Layout 570 // CHECK-NEXT: 0 | struct ND 571 // CHECK-NEXT: 0 | struct NC (base) 572 // CHECK-NEXT: 0 | (NC vbtable pointer) 573 // CHECK-NEXT: 4 | struct NA (virtual base) (empty) 574 // CHECK-NEXT: 8 | struct NB (virtual base) (empty) 575 // CHECK-NEXT: | [sizeof=8, align=4 576 // CHECK-NEXT: | nvsize=4, nvalign=4] 577 // CHECK-X64: *** Dumping AST Record Layout 578 // CHECK-X64-NEXT: 0 | struct NA (empty) 579 // CHECK-X64-NEXT: | [sizeof=1, align=1 580 // CHECK-X64-NEXT: | nvsize=0, nvalign=1] 581 // CHECK-X64: *** Dumping AST Record Layout 582 // CHECK-X64-NEXT: 0 | struct NB (empty) 583 // CHECK-X64-NEXT: | [sizeof=1, align=1 584 // CHECK-X64-NEXT: | nvsize=0, nvalign=1] 585 // CHECK-X64: *** Dumping AST Record Layout 586 // CHECK-X64-NEXT: 0 | struct NC 587 // CHECK-X64-NEXT: 0 | (NC vbtable pointer) 588 // CHECK-X64-NEXT: 8 | struct NA (virtual base) (empty) 589 // CHECK-X64-NEXT: 12 | struct NB (virtual base) (empty) 590 // CHECK-X64-NEXT: | [sizeof=12, align=1 591 // CHECK-X64-NEXT: | nvsize=8, nvalign=1] 592 // CHECK-X64: *** Dumping AST Record Layout 593 // CHECK-X64-NEXT: 0 | struct ND 594 // CHECK-X64-NEXT: 0 | struct NC (base) 595 // CHECK-X64-NEXT: 0 | (NC vbtable pointer) 596 // CHECK-X64-NEXT: 8 | struct NA (virtual base) (empty) 597 // CHECK-X64-NEXT: 12 | struct NB (virtual base) (empty) 598 // CHECK-X64-NEXT: | [sizeof=12, align=4 599 // CHECK-X64-NEXT: | nvsize=8, nvalign=4] 600 601 struct OA {}; 602 struct OB {}; 603 struct OC : virtual OA, virtual OB {}; 604 #pragma pack(push, 1) 605 struct OD : OC {}; 606 #pragma pack(pop) 607 608 // CHECK: *** Dumping AST Record Layout 609 // CHECK-NEXT: 0 | struct OA (empty) 610 // CHECK-NEXT: | [sizeof=1, align=1 611 // CHECK-NEXT: | nvsize=0, nvalign=1] 612 // CHECK: *** Dumping AST Record Layout 613 // CHECK-NEXT: 0 | struct OB (empty) 614 // CHECK-NEXT: | [sizeof=1, align=1 615 // CHECK-NEXT: | nvsize=0, nvalign=1] 616 // CHECK: *** Dumping AST Record Layout 617 // CHECK-NEXT: 0 | struct OC 618 // CHECK-NEXT: 0 | (OC vbtable pointer) 619 // CHECK-NEXT: 4 | struct OA (virtual base) (empty) 620 // CHECK-NEXT: 8 | struct OB (virtual base) (empty) 621 // CHECK-NEXT: | [sizeof=8, align=4 622 // CHECK-NEXT: | nvsize=4, nvalign=4] 623 // CHECK: *** Dumping AST Record Layout 624 // CHECK-NEXT: 0 | struct OD 625 // CHECK-NEXT: 0 | struct OC (base) 626 // CHECK-NEXT: 0 | (OC vbtable pointer) 627 // CHECK-NEXT: 4 | struct OA (virtual base) (empty) 628 // CHECK-NEXT: 8 | struct OB (virtual base) (empty) 629 // CHECK-NEXT: | [sizeof=8, align=1 630 // CHECK-NEXT: | nvsize=4, nvalign=1] 631 // CHECK-X64: *** Dumping AST Record Layout 632 // CHECK-X64-NEXT: 0 | struct OA (empty) 633 // CHECK-X64-NEXT: | [sizeof=1, align=1 634 // CHECK-X64-NEXT: | nvsize=0, nvalign=1] 635 // CHECK-X64: *** Dumping AST Record Layout 636 // CHECK-X64-NEXT: 0 | struct OB (empty) 637 // CHECK-X64-NEXT: | [sizeof=1, align=1 638 // CHECK-X64-NEXT: | nvsize=0, nvalign=1] 639 // CHECK-X64: *** Dumping AST Record Layout 640 // CHECK-X64-NEXT: 0 | struct OC 641 // CHECK-X64-NEXT: 0 | (OC vbtable pointer) 642 // CHECK-X64-NEXT: 8 | struct OA (virtual base) (empty) 643 // CHECK-X64-NEXT: 12 | struct OB (virtual base) (empty) 644 // CHECK-X64-NEXT: | [sizeof=16, align=8 645 // CHECK-X64-NEXT: | nvsize=8, nvalign=8] 646 // CHECK-X64: *** Dumping AST Record Layout 647 // CHECK-X64-NEXT: 0 | struct OD 648 // CHECK-X64-NEXT: 0 | struct OC (base) 649 // CHECK-X64-NEXT: 0 | (OC vbtable pointer) 650 // CHECK-X64-NEXT: 8 | struct OA (virtual base) (empty) 651 // CHECK-X64-NEXT: 12 | struct OB (virtual base) (empty) 652 // CHECK-X64-NEXT: | [sizeof=12, align=1 653 // CHECK-X64-NEXT: | nvsize=8, nvalign=1] 654 655 struct __declspec(align(4)) PA { 656 int c; 657 }; 658 659 typedef __declspec(align(8)) PA PB; 660 661 #pragma pack(push, 1) 662 struct PC { 663 char a; 664 PB x; 665 }; 666 #pragma pack(pop) 667 668 // CHECK: *** Dumping AST Record Layout 669 // CHECK: 0 | struct PC 670 // CHECK-NEXT: 0 | char a 671 // CHECK-NEXT: 8 | struct PA x 672 // CHECK-NEXT: 8 | int c 673 // CHECK-NEXT: | [sizeof=4, align=4 674 // CHECK-NEXT: | nvsize=4, nvalign=4] 675 // CHECK-NEXT: | [sizeof=16, align=8 676 // CHECK-NEXT: | nvsize=12, nvalign=8] 677 // CHECK-X64: *** Dumping AST Record Layout 678 // CHECK-X64: 0 | struct PC 679 // CHECK-X64-NEXT: 0 | char a 680 // CHECK-X64-NEXT: 8 | struct PA x 681 // CHECK-X64-NEXT: 8 | int c 682 // CHECK-X64-NEXT: | [sizeof=4, align=4 683 // CHECK-X64-NEXT: | nvsize=4, nvalign=4] 684 // CHECK-X64-NEXT: | [sizeof=16, align=8 685 // CHECK-X64-NEXT: | nvsize=12, nvalign=8] 686 687 typedef PB PD; 688 689 #pragma pack(push, 1) 690 struct PE { 691 char a; 692 PD x; 693 }; 694 #pragma pack(pop) 695 696 // CHECK: *** Dumping AST Record Layout 697 // CHECK: 0 | struct PE 698 // CHECK-NEXT: 0 | char a 699 // CHECK-NEXT: 8 | struct PA x 700 // CHECK-NEXT: 8 | int c 701 // CHECK-NEXT: | [sizeof=4, align=4 702 // CHECK-NEXT: | nvsize=4, nvalign=4] 703 // CHECK-NEXT: | [sizeof=16, align=8 704 // CHECK-NEXT: | nvsize=12, nvalign=8] 705 // CHECK-X64: *** Dumping AST Record Layout 706 // CHECK-X64: 0 | struct PE 707 // CHECK-X64-NEXT: 0 | char a 708 // CHECK-X64-NEXT: 8 | struct PA x 709 // CHECK-X64-NEXT: 8 | int c 710 // CHECK-X64-NEXT: | [sizeof=4, align=4 711 // CHECK-X64-NEXT: | nvsize=4, nvalign=4] 712 // CHECK-X64-NEXT: | [sizeof=16, align=8 713 // CHECK-X64-NEXT: | nvsize=12, nvalign=8] 714 715 typedef int __declspec(align(2)) QA; 716 #pragma pack(push, 1) 717 struct QB { 718 char a; 719 QA b; 720 }; 721 #pragma pack(pop) 722 723 // CHECK: *** Dumping AST Record Layout 724 // CHECK-NEXT: 0 | struct QB 725 // CHECK-NEXT: 0 | char a 726 // CHECK-NEXT: 2 | QA b 727 // CHECK-NEXT: | [sizeof=6, align=2 728 // CHECK-NEXT: | nvsize=6, nvalign=2] 729 // CHECK-X64: *** Dumping AST Record Layout 730 // CHECK-X64-NEXT: 0 | struct QB 731 // CHECK-X64-NEXT: 0 | char a 732 // CHECK-X64-NEXT: 2 | QA b 733 // CHECK-X64-NEXT: | [sizeof=6, align=2 734 // CHECK-X64-NEXT: | nvsize=6, nvalign=2] 735 736 struct QC { 737 char a; 738 QA b; 739 }; 740 741 // CHECK: *** Dumping AST Record Layout 742 // CHECK-NEXT: 0 | struct QC 743 // CHECK-NEXT: 0 | char a 744 // CHECK-NEXT: 4 | QA b 745 // CHECK-NEXT: | [sizeof=8, align=4 746 // CHECK-NEXT: | nvsize=8, nvalign=4] 747 // CHECK-X64: *** Dumping AST Record Layout 748 // CHECK-X64-NEXT: 0 | struct QC 749 // CHECK-X64-NEXT: 0 | char a 750 // CHECK-X64-NEXT: 4 | QA b 751 // CHECK-X64-NEXT: | [sizeof=8, align=4 752 // CHECK-X64-NEXT: | nvsize=8, nvalign=4] 753 754 struct QD { 755 char a; 756 QA b : 3; 757 }; 758 759 // CHECK: *** Dumping AST Record Layout 760 // CHECK-NEXT: 0 | struct QD 761 // CHECK-NEXT: 0 | char a 762 // CHECK-NEXT: 4 | QA b 763 // CHECK-NEXT: | [sizeof=8, align=4 764 // CHECK-NEXT: | nvsize=8, nvalign=4] 765 // CHECK-X64: *** Dumping AST Record Layout 766 // CHECK-X64-NEXT: 0 | struct QD 767 // CHECK-X64-NEXT: 0 | char a 768 // CHECK-X64-NEXT: 4 | QA b 769 // CHECK-X64-NEXT: | [sizeof=8, align=4 770 // CHECK-X64-NEXT: | nvsize=8, nvalign=4] 771 772 struct __declspec(align(4)) EmptyAlignedLongLongMemb { 773 long long FlexArrayMemb[0]; 774 }; 775 776 // CHECK: *** Dumping AST Record Layout 777 // CHECK-NEXT: 0 | struct EmptyAlignedLongLongMemb 778 // CHECK-NEXT: 0 | long long [0] FlexArrayMemb 779 // CHECK-NEXT: | [sizeof=8, align=8 780 // CHECK-NEXT: | nvsize=0, nvalign=8] 781 // CHECK-X64: *** Dumping AST Record Layout 782 // CHECK-X64-NEXT: 0 | struct EmptyAlignedLongLongMemb 783 // CHECK-X64-NEXT: 0 | long long [0] FlexArrayMemb 784 // CHECK-X64-NEXT: | [sizeof=8, align=8 785 // CHECK-X64-NEXT: | nvsize=0, nvalign=8] 786 787 #pragma pack(1) 788 struct __declspec(align(4)) EmptyPackedAlignedLongLongMemb { 789 long long FlexArrayMemb[0]; 790 }; 791 #pragma pack() 792 793 // CHECK: *** Dumping AST Record Layout 794 // CHECK-NEXT: 0 | struct EmptyPackedAlignedLongLongMemb 795 // CHECK-NEXT: 0 | long long [0] FlexArrayMemb 796 // CHECK-NEXT: | [sizeof=4, align=4 797 // CHECK-NEXT: | nvsize=0, nvalign=4] 798 // CHECK-X64: *** Dumping AST Record Layout 799 // CHECK-X64-NEXT: 0 | struct EmptyPackedAlignedLongLongMemb 800 // CHECK-X64-NEXT: 0 | long long [0] FlexArrayMemb 801 // CHECK-X64-NEXT: | [sizeof=4, align=4 802 // CHECK-X64-NEXT: | nvsize=0, nvalign=4] 803 804 int a[ 805 sizeof(X)+ 806 sizeof(Y)+ 807 sizeof(Z)+ 808 sizeof(C1)+ 809 sizeof(CA2)+ 810 sizeof(YA)+ 811 sizeof(YB)+ 812 sizeof(YC)+ 813 sizeof(YD)+ 814 sizeof(YE)+ 815 sizeof(YF)+ 816 sizeof(YF)+ 817 sizeof(D2)+ 818 sizeof(JC)+ 819 sizeof(KB)+ 820 sizeof(L)+ 821 sizeof(MB)+ 822 sizeof(RB0)+ 823 sizeof(RB1)+ 824 sizeof(RB2)+ 825 sizeof(RB3)+ 826 sizeof(RC)+ 827 sizeof(RE)+ 828 sizeof(ND)+ 829 sizeof(OD)+ 830 sizeof(PC)+ 831 sizeof(PE)+ 832 sizeof(QB)+ 833 sizeof(QC)+ 834 sizeof(QD)+ 835 sizeof(EmptyAlignedLongLongMemb)+ 836 sizeof(EmptyPackedAlignedLongLongMemb)+ 837 0]; 838