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 16 struct A { 17 int a; 18 19 ~A(); 20 }; 21 22 // Base with non-trivial destructor 23 struct B : A { 24 ~B(); 25 }; 26 27 B::~B() { } 28 29 // Field with non-trivial destructor 30 struct C { 31 A a; 32 33 ~C(); 34 }; 35 36 C::~C() { } 37 38 namespace PR7526 { 39 extern void foo(); 40 struct allocator { 41 ~allocator() throw(); 42 }; 43 44 struct allocator_derived : allocator { }; 45 46 // CHECK1-LABEL: define{{.*}} void @_ZN6PR75263fooEv() 47 // CHECK1: call void {{.*}} @_ZN6PR75269allocatorD2Ev 48 49 // CHECK1-LABEL: define{{.*}} void @_ZN6PR75269allocatorD2Ev(%"struct.PR7526::allocator"* {{[^,]*}} %this) unnamed_addr 50 // CHECK1: call void @__cxa_call_unexpected 51 allocator::~allocator() throw() { foo(); } 52 53 void foo() { 54 allocator_derived ad; 55 } 56 } 57 58 // PR5084 59 template<typename T> 60 class A1 { 61 ~A1(); 62 }; 63 64 template<> A1<char>::~A1(); 65 66 // PR5529 67 namespace PR5529 { 68 struct A { 69 ~A(); 70 }; 71 72 A::~A() { } 73 struct B : A { 74 virtual ~B(); 75 }; 76 77 B::~B() {} 78 } 79 80 // FIXME: there's a known problem in the codegen here where, if one 81 // destructor throws, the remaining destructors aren't run. Fix it, 82 // then make this code check for it. 83 namespace test0 { 84 void foo(); 85 struct VBase { ~VBase(); }; 86 struct Base { ~Base(); }; 87 struct Member { ~Member(); }; 88 89 struct A : Base { 90 Member M; 91 ~A(); 92 }; 93 94 // The function-try-block won't suppress -mconstructor-aliases here. 95 A::~A() try { } catch (int i) {} 96 97 // complete destructor alias tested above 98 99 // CHECK2-LABEL: @_ZN5test01AD1Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test01AD2Ev 100 // CHECK2-LABEL: define{{.*}} void @_ZN5test01AD2Ev(%"struct.test0::A"* {{[^,]*}} %this) unnamed_addr 101 // CHECK2: invoke void @_ZN5test06MemberD1Ev 102 // CHECK2: unwind label [[MEM_UNWIND:%[a-zA-Z0-9.]+]] 103 // CHECK2: invoke void @_ZN5test04BaseD2Ev 104 // CHECK2: unwind label [[BASE_UNWIND:%[a-zA-Z0-9.]+]] 105 106 // In C++11, the destructors are often known not to throw. 107 // CHECK2v11-LABEL: @_ZN5test01AD1Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test01AD2Ev 108 // CHECK2v11-LABEL: define{{.*}} void @_ZN5test01AD2Ev(%"struct.test0::A"* {{[^,]*}} %this) unnamed_addr 109 // CHECK2v11: call void @_ZN5test06MemberD1Ev 110 // CHECK2v11: call void @_ZN5test04BaseD2Ev 111 112 struct B : Base, virtual VBase { 113 Member M; 114 ~B(); 115 }; 116 B::~B() try { } catch (int i) {} 117 // It will suppress the delegation optimization here, though. 118 119 // CHECK2-LABEL: define{{.*}} void @_ZN5test01BD2Ev(%"struct.test0::B"* {{[^,]*}} %this, i8** %vtt) unnamed_addr 120 // CHECK2: invoke void @_ZN5test06MemberD1Ev 121 // CHECK2: unwind label [[MEM_UNWIND:%[a-zA-Z0-9.]+]] 122 // CHECK2: invoke void @_ZN5test04BaseD2Ev 123 // CHECK2: unwind label [[BASE_UNWIND:%[a-zA-Z0-9.]+]] 124 125 // CHECK2v11-LABEL: define{{.*}} void @_ZN5test01BD2Ev(%"struct.test0::B"* {{[^,]*}} %this, i8** %vtt) unnamed_addr 126 // CHECK2v11: call void @_ZN5test06MemberD1Ev 127 // CHECK2v11: call void @_ZN5test04BaseD2Ev 128 129 // CHECK2-LABEL: define{{.*}} void @_ZN5test01BD1Ev(%"struct.test0::B"* {{[^,]*}} %this) unnamed_addr 130 // CHECK2: invoke void @_ZN5test06MemberD1Ev 131 // CHECK2: unwind label [[MEM_UNWIND:%[a-zA-Z0-9.]+]] 132 // CHECK2: invoke void @_ZN5test04BaseD2Ev 133 // CHECK2: unwind label [[BASE_UNWIND:%[a-zA-Z0-9.]+]] 134 // CHECK2: invoke void @_ZN5test05VBaseD2Ev 135 // CHECK2: unwind label [[VBASE_UNWIND:%[a-zA-Z0-9.]+]] 136 137 // CHECK2v11-LABEL: define{{.*}} void @_ZN5test01BD1Ev(%"struct.test0::B"* {{[^,]*}} %this) unnamed_addr 138 // CHECK2v11: call void @_ZN5test06MemberD1Ev 139 // CHECK2v11: call void @_ZN5test04BaseD2Ev 140 // CHECK2v11: call void @_ZN5test05VBaseD2Ev 141 } 142 143 // Test base-class aliasing. 144 namespace test1 { 145 struct A { ~A(); char ***m; }; // non-trivial destructor 146 struct B { ~B(); }; // non-trivial destructor 147 struct Empty { }; // trivial destructor, empty 148 struct NonEmpty { int x; }; // trivial destructor, non-empty 149 150 // There must be a definition in this translation unit for the alias 151 // optimization to apply. 152 A::~A() { delete m; } 153 154 struct M : A { ~M(); }; 155 M::~M() {} 156 // CHECK3: @_ZN5test11MD2Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test11AD2Ev 157 158 struct N : A, Empty { ~N(); }; 159 N::~N() {} 160 // CHECK3: @_ZN5test11ND2Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test11AD2Ev 161 162 struct O : Empty, A { ~O(); }; 163 O::~O() {} 164 // CHECK3: @_ZN5test11OD2Ev ={{.*}} unnamed_addr alias {{.*}} @_ZN5test11AD2Ev 165 166 struct P : NonEmpty, A { ~P(); }; 167 P::~P() {} // CHECK3-LABEL: define{{.*}} void @_ZN5test11PD2Ev(%"struct.test1::P"* {{[^,]*}} %this) unnamed_addr 168 169 struct Q : A, B { ~Q(); }; 170 Q::~Q() {} // CHECK3-LABEL: define{{.*}} void @_ZN5test11QD2Ev(%"struct.test1::Q"* {{[^,]*}} %this) unnamed_addr 171 172 struct R : A { ~R(); }; 173 R::~R() { A a; } // CHECK3-LABEL: define{{.*}} void @_ZN5test11RD2Ev(%"struct.test1::R"* {{[^,]*}} %this) unnamed_addr 174 175 struct S : A { ~S(); int x; }; 176 S::~S() {} 177 // CHECK4: @_ZN5test11SD2Ev ={{.*}} unnamed_addr alias {{.*}}, bitcast {{.*}} @_ZN5test11AD2Ev 178 179 struct T : A { ~T(); B x; }; 180 T::~T() {} // CHECK4-LABEL: define{{.*}} void @_ZN5test11TD2Ev(%"struct.test1::T"* {{[^,]*}} %this) unnamed_addr 181 182 // The VTT parameter prevents this. We could still make this work 183 // for calling conventions that are safe against extra parameters. 184 struct U : A, virtual B { ~U(); }; 185 U::~U() {} // CHECK4-LABEL: define{{.*}} void @_ZN5test11UD2Ev(%"struct.test1::U"* {{[^,]*}} %this, i8** %vtt) unnamed_addr 186 } 187 188 // PR6471 189 namespace test2 { 190 struct A { ~A(); char ***m; }; 191 struct B : A { ~B(); }; 192 193 B::~B() {} 194 // CHECK4-LABEL: define{{.*}} void @_ZN5test21BD2Ev(%"struct.test2::B"* {{[^,]*}} %this) unnamed_addr 195 // CHECK4: call void @_ZN5test21AD2Ev 196 } 197 198 // PR7142 199 namespace test3 { 200 struct A { virtual ~A(); }; 201 struct B { virtual ~B(); }; 202 namespace { // internal linkage => deferred 203 struct C : A, B {}; // ~B() in D requires a this-adjustment thunk 204 struct D : C {}; // D::~D() is an alias to C::~C() 205 } 206 207 void test() { 208 new D; // Force emission of D's vtable 209 } 210 211 // CHECK4-LABEL: define internal void @_ZN5test312_GLOBAL__N_11CD2Ev(%"struct.test3::(anonymous namespace)::C"* {{[^,]*}} %this) unnamed_addr 212 // CHECK4v03: invoke void @_ZN5test31BD2Ev( 213 // CHECK4v11: call void @_ZN5test31BD2Ev( 214 // CHECK4: call void @_ZN5test31AD2Ev( 215 // CHECK4: ret void 216 217 // CHECK4-LABEL: define internal void @_ZN5test312_GLOBAL__N_11DD0Ev(%"struct.test3::(anonymous namespace)::D"* {{[^,]*}} %this) unnamed_addr 218 // CHECK4v03-SAME: personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) 219 // CHECK4v03: invoke void {{.*}} @_ZN5test312_GLOBAL__N_11CD2Ev 220 // CHECK4v11: call void {{.*}} @_ZN5test312_GLOBAL__N_11CD2Ev 221 // CHECK4: call void @_ZdlPv({{.*}}) [[NUW:#[0-9]+]] 222 // CHECK4: ret void 223 // CHECK4v03: landingpad { i8*, i32 } 224 // CHECK4v03-NEXT: cleanup 225 // CHECK4v03: call void @_ZdlPv({{.*}}) [[NUW]] 226 // CHECK4v03: resume { i8*, i32 } 227 // CHECK4v11-NOT: landingpad 228 229 // CHECK4-LABEL: define internal void @_ZThn8_N5test312_GLOBAL__N_11DD1Ev( 230 // CHECK4: getelementptr inbounds i8, i8* {{.*}}, i64 -8 231 // CHECK4: call void {{.*}} @_ZN5test312_GLOBAL__N_11CD2Ev 232 // CHECK4: ret void 233 234 // CHECK4-LABEL: define internal void @_ZThn8_N5test312_GLOBAL__N_11DD0Ev( 235 // CHECK4: getelementptr inbounds i8, i8* {{.*}}, i64 -8 236 // CHECK4: call void @_ZN5test312_GLOBAL__N_11DD0Ev( 237 // CHECK4: ret void 238 239 // CHECK4-LABEL: define internal void @_ZN5test312_GLOBAL__N_11CD0Ev(%"struct.test3::(anonymous namespace)::C"* {{[^,]*}} %this) unnamed_addr 240 // CHECK4v03-SAME: personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) 241 // CHECK4v03: invoke void @_ZN5test312_GLOBAL__N_11CD2Ev( 242 // CHECK4v11: call void @_ZN5test312_GLOBAL__N_11CD2Ev( 243 // CHECK4: call void @_ZdlPv({{.*}}) [[NUW]] 244 // CHECK4: ret void 245 // CHECK4v03: landingpad { i8*, i32 } 246 // CHECK4v03-NEXT: cleanup 247 // CHECK4v03: call void @_ZdlPv({{.*}}) [[NUW]] 248 // CHECK4v03: resume { i8*, i32 } 249 250 // CHECK4-LABEL: define internal void @_ZThn8_N5test312_GLOBAL__N_11CD1Ev( 251 // CHECK4: getelementptr inbounds i8, i8* {{.*}}, i64 -8 252 // CHECK4: call void @_ZN5test312_GLOBAL__N_11CD2Ev( 253 // CHECK4: ret void 254 255 // CHECK4-LABEL: define internal void @_ZThn8_N5test312_GLOBAL__N_11CD0Ev( 256 // CHECK4: getelementptr inbounds i8, i8* {{.*}}, i64 -8 257 // CHECK4: call void @_ZN5test312_GLOBAL__N_11CD0Ev( 258 // CHECK4: ret void 259 260 // CHECK4-LABEL: declare void @_ZN5test31BD2Ev( 261 // CHECK4-LABEL: declare void @_ZN5test31AD2Ev( 262 263 // CHECK4: attributes [[NUW]] = {{[{].*}} nounwind {{.*[}]}} 264 } 265 266 namespace test4 { 267 struct A { ~A(); }; 268 269 // CHECK5-LABEL: define{{.*}} void @_ZN5test43fooEv() 270 // CHECK5: call void @_ZN5test41AD1Ev 271 // CHECK5: ret void 272 void foo() { 273 { 274 A a; 275 goto failure; 276 } 277 278 failure: 279 return; 280 } 281 282 // CHECK5-LABEL: define{{.*}} void @_ZN5test43barEi( 283 // CHECK5: [[X:%.*]] = alloca i32 284 // CHECK5-NEXT: [[A:%.*]] = alloca 285 // CHECK5: br label 286 // CHECK5: [[TMP:%.*]] = load i32, i32* [[X]] 287 // CHECK5-NEXT: [[CMP:%.*]] = icmp ne i32 [[TMP]], 0 288 // CHECK5-NEXT: br i1 289 // CHECK5: call void @_ZN5test41AD1Ev( 290 // CHECK5: br label 291 // CHECK5: [[TMP:%.*]] = load i32, i32* [[X]] 292 // CHECK5: [[TMP2:%.*]] = add nsw i32 [[TMP]], -1 293 // CHECK5: store i32 [[TMP2]], i32* [[X]] 294 // CHECK5: br label 295 // CHECK5: ret void 296 void bar(int x) { 297 for (A a; x; ) { 298 x--; 299 } 300 } 301 } 302 303 // PR7575 304 namespace test5 { 305 struct A { ~A(); }; 306 307 // CHECK5-LABEL: define{{.*}} void @_ZN5test53fooEv() 308 // CHECK5: [[ELEMS:%.*]] = alloca [5 x [[A:%.*]]], align 309 // CHECK5v03-NEXT: [[EXN:%.*]] = alloca i8* 310 // CHECK5v03-NEXT: [[SEL:%.*]] = alloca i32 311 // CHECK5-NEXT: [[PELEMS:%.*]] = bitcast [5 x [[A]]]* [[ELEMS]] to i8* 312 // CHECK5-NEXT: call void @llvm.lifetime.start.p0i8(i64 5, i8* [[PELEMS]]) 313 // CHECK5-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [5 x [[A]]], [5 x [[A]]]* [[ELEMS]], i32 0, i32 0 314 // CHECK5-NEXT: [[END:%.*]] = getelementptr inbounds [[A]], [[A]]* [[BEGIN]], i64 5 315 // CHECK5-NEXT: br label 316 // CHECK5: [[POST:%.*]] = phi [[A]]* [ [[END]], {{%.*}} ], [ [[ELT:%.*]], {{%.*}} ] 317 // CHECK5-NEXT: [[ELT]] = getelementptr inbounds [[A]], [[A]]* [[POST]], i64 -1 318 // CHECK5v03-NEXT: invoke void @_ZN5test51AD1Ev([[A]]* {{[^,]*}} [[ELT]]) 319 // CHECK5v11-NEXT: call void @_ZN5test51AD1Ev([[A]]* {{[^,]*}} [[ELT]]) 320 // CHECK5: [[T0:%.*]] = icmp eq [[A]]* [[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 [[A]]* [[BEGIN]], [[ELT]] 326 // CHECK5v03-NEXT: br i1 [[EMPTY]] 327 // CHECK5v03: [[AFTER:%.*]] = phi [[A]]* [ [[ELT]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ] 328 // CHECK5v03-NEXT: [[CUR:%.*]] = getelementptr inbounds [[A]], [[A]]* [[AFTER]], i64 -1 329 // CHECK5v03-NEXT: invoke void @_ZN5test51AD1Ev([[A]]* {{[^,]*}} [[CUR]]) 330 // CHECK5v03: [[DONE:%.*]] = icmp eq [[A]]* [[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(%"struct.test6::C"* {{[^,]*}} %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(%"struct.test6::C"* {{[^,]*}} %this, i8** %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(%"struct.test6::C"* {{[^,]*}} %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([[A]]* {{[^,]*}} [[X]]) 432 // CHECK5-NEXT: br label 433 // CHECK5: invoke void @_ZN5test81AC1Ev([[A]]* {{[^,]*}} [[Y]]) 434 // CHECK5v03: invoke void @_ZN5test81AD1Ev([[A]]* {{[^,]*}} [[Y]]) 435 // CHECK5v11: call void @_ZN5test81AD1Ev([[A]]* {{[^,]*}} [[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(%"struct.test9::ArgType"* {{[^,]*}} % 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(%"struct.test11::S1"* {{[^,]*}} [[T1]]) 486 // CHECK6: [[BC1:%[a-z0-9]+]] = bitcast %"struct.test11::S1"* [[T1]] to i8* 487 // CHECK6: call void @llvm.lifetime.end.p0i8(i64 32, i8* [[BC1]]) 488 // CHECK6: {{^}}lpad 489 // CHECK6: call void @_ZN6test112S1D1Ev(%"struct.test11::S1"* {{[^,]*}} [[T1]]) 490 // CHECK6: [[BC2:%[a-z0-9]+]] = bitcast %"struct.test11::S1"* [[T1]] to i8* 491 // CHECK6: call void @llvm.lifetime.end.p0i8(i64 32, i8* [[BC2]]) 492 493 // CHECK6: {{^}}invoke.cont 494 // CHECK6: call void @_ZN6test112S1D1Ev(%"struct.test11::S1"* {{[^,]*}} [[T2]]) 495 // CHECK6: [[BC3:%[a-z0-9]+]] = bitcast %"struct.test11::S1"* [[T2]] to i8* 496 // CHECK6: call void @llvm.lifetime.end.p0i8(i64 32, i8* [[BC3]]) 497 // CHECK6: {{^}}lpad 498 // CHECK6: call void @_ZN6test112S1D1Ev(%"struct.test11::S1"* {{[^,]*}} [[T2]]) 499 // CHECK6: [[BC4:%[a-z0-9]+]] = bitcast %"struct.test11::S1"* [[T2]] to i8* 500 // CHECK6: call void @llvm.lifetime.end.p0i8(i64 32, i8* [[BC4]]) 501 502 // CHECK6: {{^}}invoke.cont 503 // CHECK6: call void @_ZN6test112S1D1Ev(%"struct.test11::S1"* {{[^,]*}} [[T3]]) 504 // CHECK6: [[BC5:%[a-z0-9]+]] = bitcast %"struct.test11::S1"* [[T3]] to i8* 505 // CHECK6: call void @llvm.lifetime.end.p0i8(i64 32, i8* [[BC5]]) 506 // CHECK6: {{^}}lpad 507 // CHECK6: call void @_ZN6test112S1D1Ev(%"struct.test11::S1"* {{[^,]*}} [[T3]]) 508 // CHECK6: [[BC6:%[a-z0-9]+]] = bitcast %"struct.test11::S1"* [[T3]] to i8* 509 // CHECK6: call void @llvm.lifetime.end.p0i8(i64 32, i8* [[BC6]]) 510 511 struct S1 { 512 ~S1(); 513 int a[8]; 514 }; 515 516 void func1(S1 &) noexcept(false); 517 518 void testLifetimeEnd(int n) { 519 if (n < 10) { 520 S1 t1; 521 func1(t1); 522 } else if (n < 100) { 523 S1 t2; 524 func1(t2); 525 } else if (n < 1000) { 526 S1 t3; 527 func1(t3); 528 } 529 } 530 531 } 532 533 namespace final_dtor { 534 struct A { 535 virtual void f(); 536 // CHECK6-LABEL: define {{.*}} @_ZN10final_dtor1AD2Ev( 537 // CHECK6: store {{.*}} @_ZTV 538 // CHECK6-LABEL: {{^}}} 539 virtual ~A() { f(); } 540 }; 541 struct B : A { 542 // CHECK6-LABEL: define {{.*}} @_ZN10final_dtor1BD2Ev( 543 // CHECK6: store {{.*}} @_ZTV 544 // CHECK6-LABEL: {{^}}} 545 virtual ~B() { f(); } 546 }; 547 struct C final : A { 548 // CHECK6-LABEL: define {{.*}} @_ZN10final_dtor1CD2Ev( 549 // CHECK6-NOT: store {{.*}} @_ZTV 550 // CHECK6-LABEL: {{^}}} 551 virtual ~C() { f(); } 552 }; 553 struct D : A { 554 // CHECK6-LABEL: define {{.*}} @_ZN10final_dtor1DD2Ev( 555 // CHECK6-NOT: store {{.*}} @_ZTV 556 // CHECK6-LABEL: {{^}}} 557 virtual ~D() final { f(); } 558 }; 559 void use() { 560 {A a;} 561 {B b;} 562 {C c;} 563 {D d;} 564 } 565 } 566 #endif 567