1 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -emit-llvm -o - -fcxx-exceptions -fexceptions | FileCheck %s 2 3 typedef __typeof(sizeof(0)) size_t; 4 5 // Declare the reserved global placement new. 6 void *operator new(size_t, void*); 7 8 // This just shouldn't crash. 9 namespace test0 { 10 struct allocator { 11 allocator(); 12 allocator(const allocator&); 13 ~allocator(); 14 }; 15 16 void f(); 17 void g(bool b, bool c) { 18 if (b) { 19 if (!c) 20 throw allocator(); 21 22 return; 23 } 24 f(); 25 } 26 } 27 28 namespace test1 { 29 struct A { A(int); A(int, int); ~A(); void *p; }; 30 31 A *a() { 32 // CHECK: define [[A:%.*]]* @_ZN5test11aEv() 33 // CHECK: [[NEW:%.*]] = call i8* @_Znwm(i64 8) 34 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 35 // CHECK-NEXT: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 5) 36 // CHECK: ret [[A]]* [[CAST]] 37 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 38 return new A(5); 39 } 40 41 A *b() { 42 // CHECK: define [[A:%.*]]* @_ZN5test11bEv() 43 // CHECK: [[NEW:%.*]] = call i8* @_Znwm(i64 8) 44 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 45 // CHECK-NEXT: [[FOO:%.*]] = invoke i32 @_ZN5test13fooEv() 46 // CHECK: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 [[FOO]]) 47 // CHECK: ret [[A]]* [[CAST]] 48 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 49 extern int foo(); 50 return new A(foo()); 51 } 52 53 struct B { B(); ~B(); operator int(); int x; }; 54 B makeB(); 55 56 A *c() { 57 // CHECK: define [[A:%.*]]* @_ZN5test11cEv() 58 // CHECK: [[ACTIVE:%.*]] = alloca i1 59 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_Znwm(i64 8) 60 // CHECK-NEXT: store i1 true, i1* [[ACTIVE]] 61 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 62 // CHECK-NEXT: invoke void @_ZN5test11BC1Ev([[B:%.*]]* [[T0:%.*]]) 63 // CHECK: [[T1:%.*]] = getelementptr inbounds [[B]], [[B]]* [[T0]], i32 0, i32 0 64 // CHECK-NEXT: [[T2:%.*]] = load i32, i32* [[T1]], align 4 65 // CHECK-NEXT: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 [[T2]]) 66 // CHECK: store i1 false, i1* [[ACTIVE]] 67 // CHECK-NEXT: invoke void @_ZN5test11BD1Ev([[B]]* [[T0]]) 68 // CHECK: ret [[A]]* [[CAST]] 69 // CHECK: [[ISACTIVE:%.*]] = load i1, i1* [[ACTIVE]] 70 // CHECK-NEXT: br i1 [[ISACTIVE]] 71 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 72 return new A(B().x); 73 } 74 75 // rdar://11904428 76 // Terminate landing pads should call __cxa_begin_catch first. 77 // CHECK: define linkonce_odr hidden void @__clang_call_terminate(i8*) [[NI_NR_NUW:#[0-9]+]] comdat 78 // CHECK-NEXT: [[T0:%.*]] = call i8* @__cxa_begin_catch(i8* %0) [[NUW:#[0-9]+]] 79 // CHECK-NEXT: call void @_ZSt9terminatev() [[NR_NUW:#[0-9]+]] 80 // CHECK-NEXT: unreachable 81 82 A *d() { 83 // CHECK: define [[A:%.*]]* @_ZN5test11dEv() 84 // CHECK: [[ACTIVE:%.*]] = alloca i1 85 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_Znwm(i64 8) 86 // CHECK-NEXT: store i1 true, i1* [[ACTIVE]] 87 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 88 // CHECK-NEXT: invoke void @_ZN5test11BC1Ev([[B:%.*]]* [[T0:%.*]]) 89 // CHECK: [[T1:%.*]] = invoke i32 @_ZN5test11BcviEv([[B]]* [[T0]]) 90 // CHECK: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 [[T1]]) 91 // CHECK: store i1 false, i1* [[ACTIVE]] 92 // CHECK-NEXT: invoke void @_ZN5test11BD1Ev([[B]]* [[T0]]) 93 // CHECK: ret [[A]]* [[CAST]] 94 // CHECK: [[ISACTIVE:%.*]] = load i1, i1* [[ACTIVE]] 95 // CHECK-NEXT: br i1 [[ISACTIVE]] 96 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 97 return new A(B()); 98 } 99 100 A *e() { 101 // CHECK: define [[A:%.*]]* @_ZN5test11eEv() 102 // CHECK: [[ACTIVE:%.*]] = alloca i1 103 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_Znwm(i64 8) 104 // CHECK-NEXT: store i1 true, i1* [[ACTIVE]] 105 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 106 // CHECK-NEXT: invoke void @_ZN5test11BC1Ev([[B:%.*]]* [[T0:%.*]]) 107 // CHECK: [[T1:%.*]] = invoke i32 @_ZN5test11BcviEv([[B]]* [[T0]]) 108 // CHECK: invoke void @_ZN5test11BC1Ev([[B]]* [[T2:%.*]]) 109 // CHECK: [[T3:%.*]] = invoke i32 @_ZN5test11BcviEv([[B]]* [[T2]]) 110 // CHECK: invoke void @_ZN5test11AC1Eii([[A]]* [[CAST]], i32 [[T1]], i32 [[T3]]) 111 // CHECK: store i1 false, i1* [[ACTIVE]] 112 // CHECK-NEXT: invoke void @_ZN5test11BD1Ev([[B]]* [[T2]]) 113 // CHECK: invoke void @_ZN5test11BD1Ev([[B]]* [[T0]]) 114 // CHECK: ret [[A]]* [[CAST]] 115 // CHECK: [[ISACTIVE:%.*]] = load i1, i1* [[ACTIVE]] 116 // CHECK-NEXT: br i1 [[ISACTIVE]] 117 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 118 return new A(B(), B()); 119 } 120 A *f() { 121 return new A(makeB().x); 122 } 123 A *g() { 124 return new A(makeB()); 125 } 126 A *h() { 127 return new A(makeB(), makeB()); 128 } 129 130 A *i() { 131 // CHECK: define [[A:%.*]]* @_ZN5test11iEv() 132 // CHECK: [[X:%.*]] = alloca [[A]]*, align 8 133 // CHECK: [[ACTIVE:%.*]] = alloca i1 134 // CHECK: [[NEW:%.*]] = call i8* @_Znwm(i64 8) 135 // CHECK-NEXT: store i1 true, i1* [[ACTIVE]] 136 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 137 // CHECK-NEXT: invoke void @_ZN5test15makeBEv([[B:%.*]]* sret [[T0:%.*]]) 138 // CHECK: [[T1:%.*]] = invoke i32 @_ZN5test11BcviEv([[B]]* [[T0]]) 139 // CHECK: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 [[T1]]) 140 // CHECK: store i1 false, i1* [[ACTIVE]] 141 // CHECK-NEXT: store [[A]]* [[CAST]], [[A]]** [[X]], align 8 142 // CHECK: invoke void @_ZN5test15makeBEv([[B:%.*]]* sret [[T2:%.*]]) 143 // CHECK: [[RET:%.*]] = load [[A]]*, [[A]]** [[X]], align 8 144 // CHECK: invoke void @_ZN5test11BD1Ev([[B]]* [[T2]]) 145 // CHECK: invoke void @_ZN5test11BD1Ev([[B]]* [[T0]]) 146 // CHECK: ret [[A]]* [[RET]] 147 // CHECK: [[ISACTIVE:%.*]] = load i1, i1* [[ACTIVE]] 148 // CHECK-NEXT: br i1 [[ISACTIVE]] 149 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 150 A *x; 151 return (x = new A(makeB()), makeB(), x); 152 } 153 } 154 155 namespace test2 { 156 struct A { 157 A(int); A(int, int); ~A(); 158 void *p; 159 void *operator new(size_t); 160 void operator delete(void*, size_t); 161 }; 162 163 A *a() { 164 // CHECK: define [[A:%.*]]* @_ZN5test21aEv() 165 // CHECK: [[NEW:%.*]] = call i8* @_ZN5test21AnwEm(i64 8) 166 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 167 // CHECK-NEXT: invoke void @_ZN5test21AC1Ei([[A]]* [[CAST]], i32 5) 168 // CHECK: ret [[A]]* [[CAST]] 169 // CHECK: invoke void @_ZN5test21AdlEPvm(i8* [[NEW]], i64 8) 170 // CHECK: call void @__clang_call_terminate(i8* {{%.*}}) [[NR_NUW]] 171 return new A(5); 172 } 173 } 174 175 namespace test3 { 176 struct A { 177 A(int); A(int, int); A(const A&); ~A(); 178 void *p; 179 void *operator new(size_t, void*, double); 180 void operator delete(void*, void*, double); 181 }; 182 183 void *foo(); 184 double bar(); 185 A makeA(), *makeAPtr(); 186 187 A *a() { 188 // CHECK: define [[A:%.*]]* @_ZN5test31aEv() 189 // CHECK: [[FOO:%.*]] = call i8* @_ZN5test33fooEv() 190 // CHECK: [[BAR:%.*]] = call double @_ZN5test33barEv() 191 // CHECK: [[NEW:%.*]] = call i8* @_ZN5test31AnwEmPvd(i64 8, i8* [[FOO]], double [[BAR]]) 192 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 193 // CHECK-NEXT: invoke void @_ZN5test31AC1Ei([[A]]* [[CAST]], i32 5) 194 // CHECK: ret [[A]]* [[CAST]] 195 // CHECK: invoke void @_ZN5test31AdlEPvS1_d(i8* [[NEW]], i8* [[FOO]], double [[BAR]]) 196 // CHECK: call void @__clang_call_terminate(i8* {{%.*}}) [[NR_NUW]] 197 return new(foo(),bar()) A(5); 198 } 199 200 // rdar://problem/8439196 201 A *b(bool cond) { 202 203 // CHECK: define [[A:%.*]]* @_ZN5test31bEb(i1 zeroext 204 // CHECK: [[SAVED0:%.*]] = alloca i8* 205 // CHECK-NEXT: [[SAVED1:%.*]] = alloca i8* 206 // CHECK-NEXT: [[CLEANUPACTIVE:%.*]] = alloca i1 207 208 // CHECK: [[COND:%.*]] = trunc i8 {{.*}} to i1 209 // CHECK-NEXT: store i1 false, i1* [[CLEANUPACTIVE]] 210 // CHECK-NEXT: br i1 [[COND]] 211 return (cond ? 212 213 // CHECK: [[FOO:%.*]] = call i8* @_ZN5test33fooEv() 214 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_ZN5test31AnwEmPvd(i64 8, i8* [[FOO]], double [[CONST:.*]]) 215 // CHECK-NEXT: store i8* [[NEW]], i8** [[SAVED0]] 216 // CHECK-NEXT: store i8* [[FOO]], i8** [[SAVED1]] 217 // CHECK-NEXT: store i1 true, i1* [[CLEANUPACTIVE]] 218 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 219 // CHECK-NEXT: invoke void @_ZN5test35makeAEv([[A]]* sret [[CAST]]) 220 // CHECK: br label 221 // -> cond.end 222 new(foo(),10.0) A(makeA()) : 223 224 // CHECK: [[MAKE:%.*]] = call [[A]]* @_ZN5test38makeAPtrEv() 225 // CHECK: br label 226 // -> cond.end 227 makeAPtr()); 228 229 // cond.end: 230 // CHECK: [[RESULT:%.*]] = phi [[A]]* {{.*}}[[CAST]]{{.*}}[[MAKE]] 231 // CHECK: ret [[A]]* [[RESULT]] 232 233 // in the EH path: 234 // CHECK: [[ISACTIVE:%.*]] = load i1, i1* [[CLEANUPACTIVE]] 235 // CHECK-NEXT: br i1 [[ISACTIVE]] 236 // CHECK: [[V0:%.*]] = load i8*, i8** [[SAVED0]] 237 // CHECK-NEXT: [[V1:%.*]] = load i8*, i8** [[SAVED1]] 238 // CHECK-NEXT: invoke void @_ZN5test31AdlEPvS1_d(i8* [[V0]], i8* [[V1]], double [[CONST]]) 239 } 240 } 241 242 namespace test4 { 243 struct A { 244 A(int); A(int, int); ~A(); 245 void *p; 246 void *operator new(size_t, void*, void*); 247 void operator delete(void*, size_t, void*, void*); // not a match 248 }; 249 250 A *a() { 251 // CHECK: define [[A:%.*]]* @_ZN5test41aEv() 252 // CHECK: [[FOO:%.*]] = call i8* @_ZN5test43fooEv() 253 // CHECK-NEXT: [[BAR:%.*]] = call i8* @_ZN5test43barEv() 254 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_ZN5test41AnwEmPvS1_(i64 8, i8* [[FOO]], i8* [[BAR]]) 255 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 256 // CHECK-NEXT: call void @_ZN5test41AC1Ei([[A]]* [[CAST]], i32 5) 257 // CHECK-NEXT: ret [[A]]* [[CAST]] 258 extern void *foo(), *bar(); 259 260 return new(foo(),bar()) A(5); 261 } 262 } 263 264 // PR7908 265 namespace test5 { 266 struct T { T(); ~T(); }; 267 268 struct A { 269 A(const A &x, const T &t = T()); 270 ~A(); 271 }; 272 273 void foo(); 274 275 // CHECK-LABEL: define void @_ZN5test54testEv() 276 // CHECK: [[EXNSLOT:%.*]] = alloca i8* 277 // CHECK-NEXT: [[SELECTORSLOT:%.*]] = alloca i32 278 // CHECK-NEXT: [[A:%.*]] = alloca [[A_T:%.*]], align 1 279 // CHECK-NEXT: [[T:%.*]] = alloca [[T_T:%.*]], align 1 280 // CHECK-NEXT: invoke void @_ZN5test53fooEv() 281 // CHECK: [[EXN:%.*]] = load i8*, i8** [[EXNSLOT]] 282 // CHECK-NEXT: [[ADJ:%.*]] = call i8* @__cxa_get_exception_ptr(i8* [[EXN]]) 283 // CHECK-NEXT: [[SRC:%.*]] = bitcast i8* [[ADJ]] to [[A_T]]* 284 // CHECK-NEXT: invoke void @_ZN5test51TC1Ev([[T_T]]* [[T]]) 285 // CHECK: invoke void @_ZN5test51AC1ERKS0_RKNS_1TE([[A_T]]* [[A]], [[A_T]]* dereferenceable({{[0-9]+}}) [[SRC]], [[T_T]]* dereferenceable({{[0-9]+}}) [[T]]) 286 // CHECK: invoke void @_ZN5test51TD1Ev([[T_T]]* [[T]]) 287 // CHECK: call i8* @__cxa_begin_catch(i8* [[EXN]]) [[NUW]] 288 // CHECK-NEXT: invoke void @_ZN5test51AD1Ev([[A_T]]* [[A]]) 289 // CHECK: call void @__cxa_end_catch() 290 void test() { 291 try { 292 foo(); 293 } catch (A a) { 294 } 295 } 296 } 297 298 // PR9303: invalid assert on this 299 namespace test6 { 300 bool cond(); 301 void test() { 302 try { 303 lbl: 304 if (cond()) goto lbl; 305 } catch (...) { 306 } 307 } 308 } 309 310 // PR9298 311 namespace test7 { 312 struct A { A(); ~A(); }; 313 struct B { 314 // The throw() operator means that a bad allocation is signalled 315 // with a null return, which means that the initializer is 316 // evaluated conditionally. 317 static void *operator new(size_t size) throw(); 318 B(const A&, B*); 319 ~B(); 320 }; 321 322 B *test() { 323 // CHECK: define [[B:%.*]]* @_ZN5test74testEv() 324 // CHECK: [[OUTER_NEW:%.*]] = alloca i1 325 // CHECK-NEXT: alloca [[A:%.*]], 326 // CHECK-NEXT: alloca i8* 327 // CHECK-NEXT: alloca i32 328 // CHECK-NEXT: [[OUTER_A:%.*]] = alloca i1 329 // CHECK-NEXT: alloca i8* 330 // CHECK-NEXT: [[INNER_NEW:%.*]] = alloca i1 331 // CHECK-NEXT: alloca [[A]] 332 // CHECK-NEXT: [[INNER_A:%.*]] = alloca i1 333 334 // Allocate the outer object. 335 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_ZN5test71BnwEm( 336 // CHECK-NEXT: icmp eq i8* [[NEW]], null 337 338 // These stores, emitted before the outermost conditional branch, 339 // deactivate the temporary cleanups. 340 // CHECK-NEXT: store i1 false, i1* [[OUTER_NEW]] 341 // CHECK-NEXT: store i1 false, i1* [[OUTER_A]] 342 // CHECK-NEXT: store i1 false, i1* [[INNER_NEW]] 343 // CHECK-NEXT: store i1 false, i1* [[INNER_A]] 344 // CHECK-NEXT: br i1 345 346 // We passed the first null check; activate that cleanup and continue. 347 // CHECK: store i1 true, i1* [[OUTER_NEW]] 348 // CHECK-NEXT: bitcast 349 350 // Create the first A temporary and activate that cleanup. 351 // CHECK-NEXT: invoke void @_ZN5test71AC1Ev( 352 // CHECK: store i1 true, i1* [[OUTER_A]] 353 354 // Allocate the inner object. 355 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_ZN5test71BnwEm( 356 // CHECK-NEXT: icmp eq i8* [[NEW]], null 357 // CHECK-NEXT: br i1 358 359 // We passed the second null check; save that pointer, activate 360 // that cleanup, and continue. 361 // CHECK: store i8* [[NEW]] 362 // CHECK-NEXT: store i1 true, i1* [[INNER_NEW]] 363 // CHECK-NEXT: bitcast 364 365 // Build the second A temporary and activate that cleanup. 366 // CHECK-NEXT: invoke void @_ZN5test71AC1Ev( 367 // CHECK: store i1 true, i1* [[INNER_A]] 368 369 // Build the inner B object and deactivate the inner delete cleanup. 370 // CHECK-NEXT: invoke void @_ZN5test71BC1ERKNS_1AEPS0_( 371 // CHECK: store i1 false, i1* [[INNER_NEW]] 372 // CHECK: phi 373 374 // Build the outer B object and deactivate the outer delete cleanup. 375 // CHECK-NEXT: invoke void @_ZN5test71BC1ERKNS_1AEPS0_( 376 // CHECK: store i1 false, i1* [[OUTER_NEW]] 377 // CHECK: phi 378 // CHECK-NEXT: store [[B]]* 379 380 // Destroy the inner A object. 381 // CHECK-NEXT: load i1, i1* [[INNER_A]] 382 // CHECK-NEXT: br i1 383 // CHECK: invoke void @_ZN5test71AD1Ev( 384 385 // Destroy the outer A object. 386 // CHECK: load i1, i1* [[OUTER_A]] 387 // CHECK-NEXT: br i1 388 // CHECK: invoke void @_ZN5test71AD1Ev( 389 390 return new B(A(), new B(A(), 0)); 391 } 392 } 393 394 // Just don't crash. 395 namespace test8 { 396 struct A { 397 // Having both of these is required to trigger the assert we're 398 // trying to avoid. 399 A(const A&); 400 A&operator=(const A&); 401 402 ~A(); 403 }; 404 405 A makeA(); 406 void test() { 407 throw makeA(); 408 } 409 // CHECK-LABEL: define void @_ZN5test84testEv 410 } 411 412 // Make sure we generate the correct code for the delete[] call which 413 // happens if A::A() throws. (We were previously calling delete[] on 414 // a pointer to the first array element, not the pointer returned by new[].) 415 // PR10870 416 namespace test9 { 417 struct A { 418 A(); 419 ~A(); 420 }; 421 A* test() { 422 return new A[10]; 423 } 424 // CHECK: define {{%.*}}* @_ZN5test94testEv 425 // CHECK: [[TEST9_NEW:%.*]] = call i8* @_Znam 426 // CHECK: call void @_ZdaPv(i8* [[TEST9_NEW]]) 427 } 428 429 // In a destructor with a function-try-block, a return statement in a 430 // catch handler behaves differently from running off the end of the 431 // catch handler. PR13102. 432 namespace test10 { 433 extern void cleanup(); 434 extern bool suppress; 435 436 struct A { ~A(); }; 437 A::~A() try { cleanup(); } catch (...) { return; } 438 // CHECK-LABEL: define void @_ZN6test101AD1Ev( 439 // CHECK: invoke void @_ZN6test107cleanupEv() 440 // CHECK-NOT: rethrow 441 // CHECK: ret void 442 443 struct B { ~B(); }; 444 B::~B() try { cleanup(); } catch (...) {} 445 // CHECK-LABEL: define void @_ZN6test101BD1Ev( 446 // CHECK: invoke void @_ZN6test107cleanupEv() 447 // CHECK: call i8* @__cxa_begin_catch 448 // CHECK-NEXT: invoke void @__cxa_rethrow() 449 // CHECK: unreachable 450 451 struct C { ~C(); }; 452 C::~C() try { cleanup(); } catch (...) { if (suppress) return; } 453 // CHECK-LABEL: define void @_ZN6test101CD1Ev( 454 // CHECK: invoke void @_ZN6test107cleanupEv() 455 // CHECK: call i8* @__cxa_begin_catch 456 // CHECK-NEXT: load i8, i8* @_ZN6test108suppressE, align 1 457 // CHECK-NEXT: trunc 458 // CHECK-NEXT: br i1 459 // CHECK: call void @__cxa_end_catch() 460 // CHECK-NEXT: br label 461 // CHECK: invoke void @__cxa_rethrow() 462 // CHECK: unreachable 463 } 464 465 // Ensure that an exception in a constructor destroys 466 // already-constructed array members. PR14514 467 namespace test11 { 468 struct A { 469 A(); 470 ~A() {} 471 }; 472 473 struct C { 474 A single; 475 A array[2][3]; 476 477 C(); 478 }; 479 480 C::C() { 481 throw 0; 482 } 483 // CHECK-LABEL: define void @_ZN6test111CC2Ev( 484 // CHECK: [[THIS:%.*]] = load [[C:%.*]]*, [[C:%.*]]** {{%.*}} 485 // Construct single. 486 // CHECK-NEXT: [[SINGLE:%.*]] = getelementptr inbounds [[C]], [[C]]* [[THIS]], i32 0, i32 0 487 // CHECK-NEXT: call void @_ZN6test111AC1Ev([[A:%.*]]* [[SINGLE]]) 488 // Construct array. 489 // CHECK-NEXT: [[ARRAY:%.*]] = getelementptr inbounds [[C]], [[C]]* [[THIS]], i32 0, i32 1 490 // CHECK-NEXT: [[ARRAYBEGIN:%.*]] = getelementptr inbounds [2 x [3 x [[A]]]], [2 x [3 x [[A]]]]* [[ARRAY]], i32 0, i32 0, i32 0 491 // CHECK-NEXT: [[ARRAYEND:%.*]] = getelementptr inbounds [[A]], [[A]]* [[ARRAYBEGIN]], i64 6 492 // CHECK-NEXT: br label 493 // CHECK: [[CUR:%.*]] = phi [[A]]* [ [[ARRAYBEGIN]], {{%.*}} ], [ [[NEXT:%.*]], {{%.*}} ] 494 // CHECK-NEXT: invoke void @_ZN6test111AC1Ev([[A:%.*]]* [[CUR]]) 495 // CHECK: [[NEXT]] = getelementptr inbounds [[A]], [[A]]* [[CUR]], i64 1 496 // CHECK-NEXT: [[DONE:%.*]] = icmp eq [[A]]* [[NEXT]], [[ARRAYEND]] 497 // CHECK-NEXT: br i1 [[DONE]], 498 // throw 0; 499 // CHECK: invoke void @__cxa_throw( 500 // Landing pad 1, from constructor in array-initialization loop: 501 // CHECK: landingpad 502 // - First, destroy already-constructed bits of array. 503 // CHECK: [[EMPTY:%.*]] = icmp eq [[A]]* [[ARRAYBEGIN]], [[CUR]] 504 // CHECK-NEXT: br i1 [[EMPTY]] 505 // CHECK: [[AFTER:%.*]] = phi [[A]]* [ [[CUR]], {{%.*}} ], [ [[ELT:%.*]], {{%.*}} ] 506 // CHECK-NEXT: [[ELT]] = getelementptr inbounds [[A]], [[A]]* [[AFTER]], i64 -1 507 // CHECK-NEXT: invoke void @_ZN6test111AD1Ev([[A]]* [[ELT]]) 508 // CHECK: [[DONE:%.*]] = icmp eq [[A]]* [[ELT]], [[ARRAYBEGIN]] 509 // CHECK-NEXT: br i1 [[DONE]], 510 // - Next, chain to cleanup for single. 511 // CHECK: br label 512 // Landing pad 2, from throw site. 513 // CHECK: landingpad 514 // - First, destroy all of array. 515 // CHECK: [[ARRAYBEGIN:%.*]] = getelementptr inbounds [2 x [3 x [[A]]]], [2 x [3 x [[A]]]]* [[ARRAY]], i32 0, i32 0, i32 0 516 // CHECK-NEXT: [[ARRAYEND:%.*]] = getelementptr inbounds [[A]], [[A]]* [[ARRAYBEGIN]], i64 6 517 // CHECK-NEXT: br label 518 // CHECK: [[AFTER:%.*]] = phi [[A]]* [ [[ARRAYEND]], {{%.*}} ], [ [[ELT:%.*]], {{%.*}} ] 519 // CHECK-NEXT: [[ELT]] = getelementptr inbounds [[A]], [[A]]* [[AFTER]], i64 -1 520 // CHECK-NEXT: invoke void @_ZN6test111AD1Ev([[A]]* [[ELT]]) 521 // CHECK: [[DONE:%.*]] = icmp eq [[A]]* [[ELT]], [[ARRAYBEGIN]] 522 // CHECK-NEXT: br i1 [[DONE]], 523 // - Next, chain to cleanup for single. 524 // CHECK: br label 525 // Finally, the cleanup for single. 526 // CHECK: invoke void @_ZN6test111AD1Ev([[A]]* [[SINGLE]]) 527 // CHECK: br label 528 // CHECK: resume 529 // (After this is a terminate landingpad.) 530 } 531 532 namespace test12 { 533 struct A { 534 void operator delete(void *, void *); 535 A(); 536 }; 537 538 A *test(void *ptr) { 539 return new (ptr) A(); 540 } 541 // CHECK-LABEL: define {{.*}} @_ZN6test124testEPv( 542 // CHECK: [[PTR:%.*]] = load i8*, i8* 543 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[PTR]] to [[A:%.*]]* 544 // CHECK-NEXT: invoke void @_ZN6test121AC1Ev([[A]]* [[CAST]]) 545 // CHECK: ret [[A]]* [[CAST]] 546 // CHECK: invoke void @_ZN6test121AdlEPvS1_(i8* [[PTR]], i8* [[PTR]]) 547 } 548 549 // CHECK: attributes [[NI_NR_NUW]] = { noinline noreturn nounwind } 550
