1 // RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - -mconstructor-aliases -fcxx-exceptions -fexceptions -O1 -disable-llvm-passes -std=c++03 > %t 2 // RUN: FileCheck --check-prefix=CHECK1 --input-file=%t %s 3 // RUN: FileCheck --check-prefix=CHECK2 --input-file=%t %s 4 // RUN: FileCheck --check-prefix=CHECK3 --input-file=%t %s 5 // RUN: FileCheck --check-prefixes=CHECK4,CHECK4v03 --input-file=%t %s 6 // RUN: FileCheck --check-prefixes=CHECK5,CHECK5v03 --input-file=%t %s 7 // RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - -mconstructor-aliases -fcxx-exceptions -fexceptions -O1 -disable-llvm-passes -std=c++11 > %t2 8 // RUN: FileCheck --check-prefix=CHECK1 --input-file=%t2 %s 9 // RUN: FileCheck --check-prefix=CHECK2v11 --input-file=%t2 %s 10 // RUN: FileCheck --check-prefix=CHECK3 --input-file=%t2 %s 11 // RUN: FileCheck --check-prefixes=CHECK4,CHECK4v11 --input-file=%t2 %s 12 // RUN: FileCheck --check-prefixes=CHECK5,CHECK5v11 --input-file=%t2 %s 13 // RUN: FileCheck --check-prefix=CHECK6 --input-file=%t2 %s 14 // REQUIRES: asserts 15 // UNSUPPORTED: reverse_iteration 16 17 struct A { 18 int a; 19 20 ~A(); 21 }; 22 23 // Base with non-trivial destructor 24 struct B : A { 25 ~B(); 26 }; 27 28 B::~B() { } 29 30 // Field with non-trivial destructor 31 struct C { 32 A a; 33 34 ~C(); 35 }; 36 37 C::~C() { } 38 39 namespace PR7526 { 40 extern void foo(); 41 struct allocator { 42 ~allocator() throw(); 43 }; 44 45 struct allocator_derived : allocator { }; 46 47 // CHECK1-LABEL: define{{.*}} void @_ZN6PR75263fooEv() 48 // CHECK1: call void @_ZN6PR75269allocatorD2Ev 49 50 // CHECK1-LABEL: define{{.*}} void @_ZN6PR75269allocatorD2Ev(ptr {{[^,]*}} %this) unnamed_addr 51 // CHECK1: call void @__cxa_call_unexpected 52 allocator::~allocator() throw() { foo(); } 53 54 void foo() { 55 allocator_derived ad; 56 } 57 } 58 59 // PR5084 60 template<typename T> 61 class A1 { 62 ~A1(); 63 }; 64 65 template<> A1<char>::~A1(); 66 67 // PR5529 68 namespace PR5529 { 69 struct A { 70 ~A(); 71 }; 72 73 A::~A() { } 74 struct B : A { 75 virtual ~B(); 76 }; 77 78 B::~B() {} 79 } 80 81 // FIXME: there's a known problem in the codegen here where, if one 82 // destructor throws, the remaining destructors aren't run. Fix it, 83 // then make this code check for it. 84 namespace test0 { 85 void foo(); 86 struct VBase { ~VBase(); }; 87 struct Base { ~Base(); }; 88 struct Member { ~Member(); }; 89 90 struct A : Base { 91 Member M; 92 ~A(); 93 }; 94 95 // The function-try-block won't suppress -mconstructor-aliases here. 96 A::~A() try { } catch (int i) {} 97 98 // complete destructor alias tested above 99 100 // CHECK2-LABEL: @_ZN5test01AD1Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test01AD2Ev 101 // CHECK2-LABEL: define{{.*}} void @_ZN5test01AD2Ev(ptr {{[^,]*}} %this) unnamed_addr 102 // CHECK2: invoke void @_ZN5test06MemberD1Ev 103 // CHECK2: unwind label [[MEM_UNWIND:%[a-zA-Z0-9.]+]] 104 // CHECK2: invoke void @_ZN5test04BaseD2Ev 105 // CHECK2: unwind label [[BASE_UNWIND:%[a-zA-Z0-9.]+]] 106 107 // In C++11, the destructors are often known not to throw. 108 // CHECK2v11-LABEL: @_ZN5test01AD1Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test01AD2Ev 109 // CHECK2v11-LABEL: define{{.*}} void @_ZN5test01AD2Ev(ptr {{[^,]*}} %this) unnamed_addr 110 // CHECK2v11: call void @_ZN5test06MemberD1Ev 111 // CHECK2v11: call void @_ZN5test04BaseD2Ev 112 113 struct B : Base, virtual VBase { 114 Member M; 115 ~B(); 116 }; 117 B::~B() try { } catch (int i) {} 118 // It will suppress the delegation optimization here, though. 119 120 // CHECK2-LABEL: define{{.*}} void @_ZN5test01BD2Ev(ptr {{[^,]*}} %this, ptr noundef %vtt) unnamed_addr 121 // CHECK2: invoke void @_ZN5test06MemberD1Ev 122 // CHECK2: unwind label [[MEM_UNWIND:%[a-zA-Z0-9.]+]] 123 // CHECK2: invoke void @_ZN5test04BaseD2Ev 124 // CHECK2: unwind label [[BASE_UNWIND:%[a-zA-Z0-9.]+]] 125 126 // CHECK2v11-LABEL: define{{.*}} void @_ZN5test01BD2Ev(ptr {{[^,]*}} %this, ptr noundef %vtt) unnamed_addr 127 // CHECK2v11: call void @_ZN5test06MemberD1Ev 128 // CHECK2v11: call void @_ZN5test04BaseD2Ev 129 130 // CHECK2-LABEL: define{{.*}} void @_ZN5test01BD1Ev(ptr {{[^,]*}} %this) unnamed_addr 131 // CHECK2: invoke void @_ZN5test06MemberD1Ev 132 // CHECK2: unwind label [[MEM_UNWIND:%[a-zA-Z0-9.]+]] 133 // CHECK2: invoke void @_ZN5test04BaseD2Ev 134 // CHECK2: unwind label [[BASE_UNWIND:%[a-zA-Z0-9.]+]] 135 // CHECK2: invoke void @_ZN5test05VBaseD2Ev 136 // CHECK2: unwind label [[VBASE_UNWIND:%[a-zA-Z0-9.]+]] 137 138 // CHECK2v11-LABEL: define{{.*}} void @_ZN5test01BD1Ev(ptr {{[^,]*}} %this) unnamed_addr 139 // CHECK2v11: call void @_ZN5test06MemberD1Ev 140 // CHECK2v11: call void @_ZN5test04BaseD2Ev 141 // CHECK2v11: call void @_ZN5test05VBaseD2Ev 142 } 143 144 // Test base-class aliasing. 145 namespace test1 { 146 struct A { ~A(); char ***m; }; // non-trivial destructor 147 struct B { ~B(); }; // non-trivial destructor 148 struct Empty { }; // trivial destructor, empty 149 struct NonEmpty { int x; }; // trivial destructor, non-empty 150 151 // There must be a definition in this translation unit for the alias 152 // optimization to apply. 153 A::~A() { delete m; } 154 155 struct M : A { ~M(); }; 156 M::~M() {} 157 // CHECK3: @_ZN5test11MD2Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test11AD2Ev 158 159 struct N : A, Empty { ~N(); }; 160 N::~N() {} 161 // CHECK3: @_ZN5test11ND2Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test11AD2Ev 162 163 struct O : Empty, A { ~O(); }; 164 O::~O() {} 165 // CHECK3: @_ZN5test11OD2Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test11AD2Ev 166 167 struct P : NonEmpty, A { ~P(); }; 168 P::~P() {} // CHECK3-LABEL: define{{.*}} void @_ZN5test11PD2Ev(ptr {{[^,]*}} %this) unnamed_addr 169 170 struct Q : A, B { ~Q(); }; 171 Q::~Q() {} // CHECK3-LABEL: define{{.*}} void @_ZN5test11QD2Ev(ptr {{[^,]*}} %this) unnamed_addr 172 173 struct R : A { ~R(); }; 174 R::~R() { A a; } // CHECK3-LABEL: define{{.*}} void @_ZN5test11RD2Ev(ptr {{[^,]*}} %this) unnamed_addr 175 176 struct S : A { ~S(); int x; }; 177 S::~S() {} 178 // CHECK4: @_ZN5test11SD2Ev ={{.*}} unnamed_addr alias {{.*}}, ptr @_ZN5test11AD2Ev 179 180 struct T : A { ~T(); B x; }; 181 T::~T() {} // CHECK4-LABEL: define{{.*}} void @_ZN5test11TD2Ev(ptr {{[^,]*}} %this) unnamed_addr 182 183 // The VTT parameter prevents this. We could still make this work 184 // for calling conventions that are safe against extra parameters. 185 struct U : A, virtual B { ~U(); }; 186 U::~U() {} // CHECK4-LABEL: define{{.*}} void @_ZN5test11UD2Ev(ptr {{[^,]*}} %this, ptr noundef %vtt) unnamed_addr 187 } 188 189 // PR6471 190 namespace test2 { 191 struct A { ~A(); char ***m; }; 192 struct B : A { ~B(); }; 193 194 B::~B() {} 195 // CHECK4-LABEL: define{{.*}} void @_ZN5test21BD2Ev(ptr {{[^,]*}} %this) unnamed_addr 196 // CHECK4: call void @_ZN5test21AD2Ev 197 } 198 199 // PR7142 200 namespace test3 { 201 struct A { virtual ~A(); }; 202 struct B { virtual ~B(); }; 203 namespace { // internal linkage => deferred 204 struct C : A, B {}; // ~B() in D requires a this-adjustment thunk 205 struct D : C {}; // D::~D() is an alias to C::~C() 206 } 207 208 void test() { 209 new D; // Force emission of D's vtable 210 } 211 212 // CHECK4-LABEL: define internal void @_ZN5test312_GLOBAL__N_11CD2Ev(ptr {{[^,]*}} %this) unnamed_addr 213 // CHECK4v03: invoke void @_ZN5test31BD2Ev( 214 // CHECK4v11: call void @_ZN5test31BD2Ev( 215 // CHECK4: call void @_ZN5test31AD2Ev( 216 // CHECK4: ret void 217 218 // CHECK4-LABEL: define internal void @_ZN5test312_GLOBAL__N_11DD0Ev(ptr {{[^,]*}} %this) unnamed_addr 219 // CHECK4v03-SAME: personality ptr @__gxx_personality_v0 220 // CHECK4v03: invoke void @_ZN5test312_GLOBAL__N_11CD2Ev 221 // CHECK4v11: call void @_ZN5test312_GLOBAL__N_11CD2Ev 222 // CHECK4: call void @_ZdlPv({{.*}}) [[NUW:#[0-9]+]] 223 // CHECK4: ret void 224 // CHECK4v03: landingpad { ptr, i32 } 225 // CHECK4v03-NEXT: cleanup 226 // CHECK4v03: call void @_ZdlPv({{.*}}) [[NUW]] 227 // CHECK4v03: resume { ptr, i32 } 228 // CHECK4v11-NOT: landingpad 229 230 // CHECK4-LABEL: define internal void @_ZThn8_N5test312_GLOBAL__N_11DD1Ev( 231 // CHECK4: getelementptr inbounds i8, ptr {{.*}}, i64 -8 232 // CHECK4: call void @_ZN5test312_GLOBAL__N_11CD2Ev 233 // CHECK4: ret void 234 235 // CHECK4-LABEL: define internal void @_ZThn8_N5test312_GLOBAL__N_11DD0Ev( 236 // CHECK4: getelementptr inbounds i8, ptr {{.*}}, i64 -8 237 // CHECK4: call void @_ZN5test312_GLOBAL__N_11DD0Ev( 238 // CHECK4: ret void 239 240 // CHECK4-LABEL: define internal void @_ZN5test312_GLOBAL__N_11CD0Ev(ptr {{[^,]*}} %this) unnamed_addr 241 // CHECK4v03-SAME: personality ptr @__gxx_personality_v0 242 // CHECK4v03: invoke void @_ZN5test312_GLOBAL__N_11CD2Ev( 243 // CHECK4v11: call void @_ZN5test312_GLOBAL__N_11CD2Ev( 244 // CHECK4: call void @_ZdlPv({{.*}}) [[NUW]] 245 // CHECK4: ret void 246 // CHECK4v03: landingpad { ptr, i32 } 247 // CHECK4v03-NEXT: cleanup 248 // CHECK4v03: call void @_ZdlPv({{.*}}) [[NUW]] 249 // CHECK4v03: resume { ptr, i32 } 250 251 // CHECK4-LABEL: define internal void @_ZThn8_N5test312_GLOBAL__N_11CD1Ev( 252 // CHECK4: getelementptr inbounds i8, ptr {{.*}}, i64 -8 253 // CHECK4: call void @_ZN5test312_GLOBAL__N_11CD2Ev( 254 // CHECK4: ret void 255 256 // CHECK4-LABEL: define internal void @_ZThn8_N5test312_GLOBAL__N_11CD0Ev( 257 // CHECK4: getelementptr inbounds i8, ptr {{.*}}, i64 -8 258 // CHECK4: call void @_ZN5test312_GLOBAL__N_11CD0Ev( 259 // CHECK4: ret void 260 261 // CHECK4-LABEL: declare void @_ZN5test31BD2Ev( 262 // CHECK4-LABEL: declare void @_ZN5test31AD2Ev( 263 264 // CHECK4: attributes [[NUW]] = {{[{].*}} nounwind {{.*[}]}} 265 } 266 267 namespace test4 { 268 struct A { ~A(); }; 269 270 // CHECK5-LABEL: define{{.*}} void @_ZN5test43fooEv() 271 // CHECK5: call void @_ZN5test41AD1Ev 272 // CHECK5: ret void 273 void foo() { 274 { 275 A a; 276 goto failure; 277 } 278 279 failure: 280 return; 281 } 282 283 // CHECK5-LABEL: define{{.*}} void @_ZN5test43barEi( 284 // CHECK5: [[X:%.*]] = alloca i32 285 // CHECK5-NEXT: [[A:%.*]] = alloca 286 // CHECK5: br label 287 // CHECK5: [[TMP:%.*]] = load i32, ptr [[X]] 288 // CHECK5-NEXT: [[CMP:%.*]] = icmp ne i32 [[TMP]], 0 289 // CHECK5-NEXT: br i1 290 // CHECK5: call void @_ZN5test41AD1Ev( 291 // CHECK5: br label 292 // CHECK5: [[TMP:%.*]] = load i32, ptr [[X]] 293 // CHECK5: [[TMP2:%.*]] = add nsw i32 [[TMP]], -1 294 // CHECK5: store i32 [[TMP2]], ptr [[X]] 295 // CHECK5: br label 296 // CHECK5: ret void 297 void bar(int x) { 298 for (A a; x; ) { 299 x--; 300 } 301 } 302 } 303 304 // PR7575 305 namespace test5 { 306 struct A { ~A(); }; 307 308 // CHECK5-LABEL: define{{.*}} void @_ZN5test53fooEv() 309 // CHECK5: [[ELEMS:%.*]] = alloca [5 x [[A:%.*]]], align 310 // CHECK5v03-NEXT: [[EXN:%.*]] = alloca ptr 311 // CHECK5v03-NEXT: [[SEL:%.*]] = alloca i32 312 // CHECK5-NEXT: call void @llvm.lifetime.start.p0(i64 5, ptr [[ELEMS]]) 313 // CHECK5-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [5 x [[A]]], ptr [[ELEMS]], i32 0, i32 0 314 // CHECK5-NEXT: [[END:%.*]] = getelementptr inbounds [[A]], ptr [[BEGIN]], i64 5 315 // CHECK5-NEXT: br label 316 // CHECK5: [[POST:%.*]] = phi ptr [ [[END]], {{%.*}} ], [ [[ELT:%.*]], {{%.*}} ] 317 // CHECK5-NEXT: [[ELT]] = getelementptr inbounds [[A]], ptr [[POST]], i64 -1 318 // CHECK5v03-NEXT: invoke void @_ZN5test51AD1Ev(ptr {{[^,]*}} [[ELT]]) 319 // CHECK5v11-NEXT: call void @_ZN5test51AD1Ev(ptr {{[^,]*}} [[ELT]]) 320 // CHECK5: [[T0:%.*]] = icmp eq ptr [[ELT]], [[BEGIN]] 321 // CHECK5-NEXT: br i1 [[T0]], 322 // CHECK5: call void @llvm.lifetime.end 323 // CHECK5-NEXT: ret void 324 // lpad 325 // CHECK5v03: [[EMPTY:%.*]] = icmp eq ptr [[BEGIN]], [[ELT]] 326 // CHECK5v03-NEXT: br i1 [[EMPTY]] 327 // CHECK5v03: [[AFTER:%.*]] = phi ptr [ [[ELT]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ] 328 // CHECK5v03-NEXT: [[CUR:%.*]] = getelementptr inbounds [[A]], ptr [[AFTER]], i64 -1 329 // CHECK5v03-NEXT: invoke void @_ZN5test51AD1Ev(ptr {{[^,]*}} [[CUR]]) 330 // CHECK5v03: [[DONE:%.*]] = icmp eq ptr [[CUR]], [[BEGIN]] 331 // CHECK5v03-NEXT: br i1 [[DONE]], 332 // CHECK5v11-NOT: landingpad 333 // CHECK5v11: } 334 void foo() { 335 A elems[5]; 336 } 337 } 338 339 namespace test6 { 340 void opaque(); 341 342 struct A { ~A(); }; 343 template <unsigned> struct B { B(); ~B(); int _; }; 344 struct C : B<0>, B<1>, virtual B<2>, virtual B<3> { 345 A x, y, z; 346 347 C(); 348 ~C(); 349 }; 350 351 C::C() { opaque(); } 352 // CHECK5-LABEL: define{{.*}} void @_ZN5test61CC1Ev(ptr {{[^,]*}} %this) unnamed_addr 353 // CHECK5: call void @_ZN5test61BILj2EEC2Ev 354 // CHECK5: invoke void @_ZN5test61BILj3EEC2Ev 355 // CHECK5: invoke void @_ZN5test61BILj0EEC2Ev 356 // CHECK5: invoke void @_ZN5test61BILj1EEC2Ev 357 // CHECK5: invoke void @_ZN5test66opaqueEv 358 // CHECK5: ret void 359 // FIXME: way too much EH cleanup code follows 360 361 C::~C() { opaque(); } 362 // CHECK5-LABEL: define{{.*}} void @_ZN5test61CD2Ev(ptr {{[^,]*}} %this, ptr noundef %vtt) unnamed_addr 363 // CHECK5: invoke void @_ZN5test66opaqueEv 364 // CHECK5v03: invoke void @_ZN5test61AD1Ev 365 // CHECK5v03: invoke void @_ZN5test61AD1Ev 366 // CHECK5v03: invoke void @_ZN5test61AD1Ev 367 // CHECK5v03: invoke void @_ZN5test61BILj1EED2Ev 368 // CHECK5v11: call void @_ZN5test61AD1Ev 369 // CHECK5v11: call void @_ZN5test61AD1Ev 370 // CHECK5v11: call void @_ZN5test61AD1Ev 371 // CHECK5v11: call void @_ZN5test61BILj1EED2Ev 372 // CHECK5: call void @_ZN5test61BILj0EED2Ev 373 // CHECK5: ret void 374 // CHECK5v03: invoke void @_ZN5test61AD1Ev 375 // CHECK5v03: invoke void @_ZN5test61AD1Ev 376 // CHECK5v03: invoke void @_ZN5test61AD1Ev 377 // CHECK5v03: invoke void @_ZN5test61BILj1EED2Ev 378 // CHECK5v03: invoke void @_ZN5test61BILj0EED2Ev 379 380 // CHECK5-LABEL: define{{.*}} void @_ZN5test61CD1Ev(ptr {{[^,]*}} %this) unnamed_addr 381 // CHECK5v03: invoke void @_ZN5test61CD2Ev 382 // CHECK5v03: invoke void @_ZN5test61BILj3EED2Ev 383 // CHECK5v03: call void @_ZN5test61BILj2EED2Ev 384 // CHECK5v03: ret void 385 // CHECK5v03: invoke void @_ZN5test61BILj3EED2Ev 386 // CHECK5v03: invoke void @_ZN5test61BILj2EED2Ev 387 388 // CHECK5v11: call void @_ZN5test61CD2Ev 389 // CHECK5v11: call void @_ZN5test61BILj3EED2Ev 390 // CHECK5v11: call void @_ZN5test61BILj2EED2Ev 391 // CHECK5v11: ret void 392 } 393 394 // PR 9197 395 namespace test7 { 396 struct D { ~D(); }; 397 398 struct A { ~A(); }; 399 A::~A() { } 400 401 struct B : public A { 402 ~B(); 403 D arr[1]; 404 }; 405 406 // Verify that this doesn't get emitted as an alias 407 // CHECK5-LABEL: define{{.*}} void @_ZN5test71BD2Ev( 408 // CHECK5v03: invoke void @_ZN5test71DD1Ev( 409 // CHECK5v11: call void @_ZN5test71DD1Ev( 410 // CHECK5: call void @_ZN5test71AD2Ev( 411 B::~B() {} 412 } 413 414 // PR10467 415 namespace test8 { 416 struct A { A(); ~A(); }; 417 418 void die() __attribute__((noreturn)); 419 void test() { 420 A x; 421 while (1) { 422 A y; 423 goto l; 424 } 425 l: die(); 426 } 427 428 // CHECK5-LABEL: define{{.*}} void @_ZN5test84testEv() 429 // CHECK5: [[X:%.*]] = alloca [[A:%.*]], align 1 430 // CHECK5-NEXT: [[Y:%.*]] = alloca [[A:%.*]], align 1 431 // CHECK5: call void @_ZN5test81AC1Ev(ptr {{[^,]*}} [[X]]) 432 // CHECK5-NEXT: br label 433 // CHECK5: invoke void @_ZN5test81AC1Ev(ptr {{[^,]*}} [[Y]]) 434 // CHECK5v03: invoke void @_ZN5test81AD1Ev(ptr {{[^,]*}} [[Y]]) 435 // CHECK5v11: call void @_ZN5test81AD1Ev(ptr {{[^,]*}} [[Y]]) 436 // CHECK5-NOT: switch 437 // CHECK5: invoke void @_ZN5test83dieEv() 438 // CHECK5: unreachable 439 } 440 441 // PR12710 442 namespace test9 { 443 struct ArgType { 444 ~ArgType(); 445 }; 446 template<typename T> 447 void f1(const ArgType& = ArgType()); 448 void f2(); 449 void bar() { 450 f1<int>(); 451 f2(); 452 } 453 // CHECK5: call void @_ZN5test97ArgTypeD1Ev(ptr {{[^,]*}} % 454 // CHECK5: call void @_ZN5test92f2Ev() 455 } 456 457 namespace test10 { 458 // We used to crash trying to replace _ZN6test106OptionD1Ev with 459 // _ZN6test106OptionD2Ev twice. 460 struct Option { 461 virtual ~Option() {} 462 }; 463 template <class DataType> class opt : public Option {}; 464 template class opt<int>; 465 // CHECK5-LABEL: define{{.*}} zeroext i1 @_ZN6test1016handleOccurrenceEv( 466 bool handleOccurrence() { 467 // CHECK5: call void @_ZN6test106OptionD2Ev( 468 Option x; 469 return true; 470 } 471 } 472 473 #if __cplusplus >= 201103L 474 namespace test11 { 475 476 // Check that lifetime.end is emitted in the landing pad. 477 478 // CHECK6-LABEL: define{{.*}} void @_ZN6test1115testLifetimeEndEi( 479 // CHECK6: entry: 480 // CHECK6: [[T1:%[a-z0-9]+]] = alloca %"struct.test11::S1" 481 // CHECK6: [[T2:%[a-z0-9]+]] = alloca %"struct.test11::S1" 482 // CHECK6: [[T3:%[a-z0-9]+]] = alloca %"struct.test11::S1" 483 484 // CHECK6: {{^}}invoke.cont 485 // CHECK6: call void @_ZN6test112S1D1Ev(ptr {{[^,]*}} [[T1]]) 486 // CHECK6: call void @llvm.lifetime.end.p0(i64 32, ptr [[T1]]) 487 // CHECK6: {{^}}lpad 488 // CHECK6: call void @_ZN6test112S1D1Ev(ptr {{[^,]*}} [[T1]]) 489 // CHECK6: call void @llvm.lifetime.end.p0(i64 32, ptr [[T1]]) 490 491 // CHECK6: {{^}}invoke.cont 492 // CHECK6: call void @_ZN6test112S1D1Ev(ptr {{[^,]*}} [[T2]]) 493 // CHECK6: call void @llvm.lifetime.end.p0(i64 32, ptr [[T2]]) 494 // CHECK6: {{^}}lpad 495 // CHECK6: call void @_ZN6test112S1D1Ev(ptr {{[^,]*}} [[T2]]) 496 // CHECK6: call void @llvm.lifetime.end.p0(i64 32, ptr [[T2]]) 497 498 // CHECK6: {{^}}invoke.cont 499 // CHECK6: call void @_ZN6test112S1D1Ev(ptr {{[^,]*}} [[T3]]) 500 // CHECK6: call void @llvm.lifetime.end.p0(i64 32, ptr [[T3]]) 501 // CHECK6: {{^}}lpad 502 // CHECK6: call void @_ZN6test112S1D1Ev(ptr {{[^,]*}} [[T3]]) 503 // CHECK6: call void @llvm.lifetime.end.p0(i64 32, ptr [[T3]]) 504 505 struct S1 { 506 ~S1(); 507 int a[8]; 508 }; 509 510 void func1(S1 &) noexcept(false); 511 512 void testLifetimeEnd(int n) { 513 if (n < 10) { 514 S1 t1; 515 func1(t1); 516 } else if (n < 100) { 517 S1 t2; 518 func1(t2); 519 } else if (n < 1000) { 520 S1 t3; 521 func1(t3); 522 } 523 } 524 525 } 526 527 namespace final_dtor { 528 struct A { 529 virtual void f(); 530 // CHECK6-LABEL: define {{.*}} @_ZN10final_dtor1AD2Ev( 531 // CHECK6: store {{.*}} @_ZTV 532 // CHECK6-LABEL: {{^}}} 533 virtual ~A() { f(); } 534 }; 535 struct B : A { 536 // CHECK6-LABEL: define {{.*}} @_ZN10final_dtor1BD2Ev( 537 // CHECK6: store {{.*}} @_ZTV 538 // CHECK6-LABEL: {{^}}} 539 virtual ~B() { f(); } 540 }; 541 struct C final : A { 542 // CHECK6-LABEL: define {{.*}} @_ZN10final_dtor1CD2Ev( 543 // CHECK6-NOT: store {{.*}} @_ZTV 544 // CHECK6-LABEL: {{^}}} 545 virtual ~C() { f(); } 546 }; 547 struct D : A { 548 // CHECK6-LABEL: define {{.*}} @_ZN10final_dtor1DD2Ev( 549 // CHECK6-NOT: store {{.*}} @_ZTV 550 // CHECK6-LABEL: {{^}}} 551 virtual ~D() final { f(); } 552 }; 553 void use() { 554 {A a;} 555 {B b;} 556 {C c;} 557 {D d;} 558 } 559 } 560 #endif 561