1 // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -fcxx-exceptions -fexceptions | FileCheck %s 2 3 typedef typeof(sizeof(0)) size_t; 4 5 // This just shouldn't crash. 6 namespace test0 { 7 struct allocator { 8 allocator(); 9 allocator(const allocator&); 10 ~allocator(); 11 }; 12 13 void f(); 14 void g(bool b, bool c) { 15 if (b) { 16 if (!c) 17 throw allocator(); 18 19 return; 20 } 21 f(); 22 } 23 } 24 25 namespace test1 { 26 struct A { A(int); A(int, int); ~A(); void *p; }; 27 28 A *a() { 29 // CHECK: define [[A:%.*]]* @_ZN5test11aEv() 30 // CHECK: [[NEW:%.*]] = call noalias i8* @_Znwm(i64 8) 31 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 32 // CHECK-NEXT: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 5) 33 // CHECK: ret [[A]]* [[CAST]] 34 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 35 return new A(5); 36 } 37 38 A *b() { 39 // CHECK: define [[A:%.*]]* @_ZN5test11bEv() 40 // CHECK: [[NEW:%.*]] = call noalias i8* @_Znwm(i64 8) 41 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 42 // CHECK-NEXT: [[FOO:%.*]] = invoke i32 @_ZN5test13fooEv() 43 // CHECK: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 [[FOO]]) 44 // CHECK: ret [[A]]* [[CAST]] 45 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 46 extern int foo(); 47 return new A(foo()); 48 } 49 50 struct B { B(); ~B(); operator int(); int x; }; 51 B makeB(); 52 53 A *c() { 54 // CHECK: define [[A:%.*]]* @_ZN5test11cEv() 55 // CHECK: [[ACTIVE:%.*]] = alloca i1 56 // CHECK-NEXT: store i1 true, i1* [[ACTIVE]] 57 // CHECK-NEXT: [[NEW:%.*]] = call noalias i8* @_Znwm(i64 8) 58 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 59 // CHECK-NEXT: invoke void @_ZN5test11BC1Ev([[B:%.*]]* [[T0:%.*]]) 60 // CHECK: [[T1:%.*]] = getelementptr inbounds [[B]]* [[T0]], i32 0, i32 0 61 // CHECK-NEXT: [[T2:%.*]] = load i32* [[T1]], align 4 62 // CHECK-NEXT: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 [[T2]]) 63 // CHECK: store i1 false, i1* [[ACTIVE]] 64 // CHECK-NEXT: invoke void @_ZN5test11BD1Ev([[B]]* [[T0]]) 65 // CHECK: ret [[A]]* [[CAST]] 66 // CHECK: [[ISACTIVE:%.*]] = load i1* [[ACTIVE]] 67 // CHECK-NEXT: br i1 [[ISACTIVE]] 68 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 69 return new A(B().x); 70 } 71 72 A *d() { 73 // CHECK: define [[A:%.*]]* @_ZN5test11dEv() 74 // CHECK: [[ACTIVE:%.*]] = alloca i1 75 // CHECK-NEXT: store i1 true, i1* [[ACTIVE]] 76 // CHECK-NEXT: [[NEW:%.*]] = call noalias i8* @_Znwm(i64 8) 77 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 78 // CHECK-NEXT: invoke void @_ZN5test11BC1Ev([[B:%.*]]* [[T0:%.*]]) 79 // CHECK: [[T1:%.*]] = invoke i32 @_ZN5test11BcviEv([[B]]* [[T0]]) 80 // CHECK: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 [[T1]]) 81 // CHECK: store i1 false, i1* [[ACTIVE]] 82 // CHECK-NEXT: invoke void @_ZN5test11BD1Ev([[B]]* [[T0]]) 83 // CHECK: ret [[A]]* [[CAST]] 84 // CHECK: [[ISACTIVE:%.*]] = load i1* [[ACTIVE]] 85 // CHECK-NEXT: br i1 [[ISACTIVE]] 86 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 87 return new A(B()); 88 } 89 90 A *e() { 91 // CHECK: define [[A:%.*]]* @_ZN5test11eEv() 92 // CHECK: [[ACTIVE:%.*]] = alloca i1 93 // CHECK-NEXT: store i1 true, i1* [[ACTIVE]] 94 // CHECK-NEXT: [[NEW:%.*]] = call noalias i8* @_Znwm(i64 8) 95 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 96 // CHECK-NEXT: invoke void @_ZN5test11BC1Ev([[B:%.*]]* [[T0:%.*]]) 97 // CHECK: [[T1:%.*]] = invoke i32 @_ZN5test11BcviEv([[B]]* [[T0]]) 98 // CHECK: invoke void @_ZN5test11BC1Ev([[B]]* [[T2:%.*]]) 99 // CHECK: [[T3:%.*]] = invoke i32 @_ZN5test11BcviEv([[B]]* [[T2]]) 100 // CHECK: invoke void @_ZN5test11AC1Eii([[A]]* [[CAST]], i32 [[T1]], i32 [[T3]]) 101 // CHECK: store i1 false, i1* [[ACTIVE]] 102 // CHECK-NEXT: invoke void @_ZN5test11BD1Ev([[B]]* [[T2]]) 103 // CHECK: invoke void @_ZN5test11BD1Ev([[B]]* [[T0]]) 104 // CHECK: ret [[A]]* [[CAST]] 105 // CHECK: [[ISACTIVE:%.*]] = load i1* [[ACTIVE]] 106 // CHECK-NEXT: br i1 [[ISACTIVE]] 107 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 108 return new A(B(), B()); 109 } 110 A *f() { 111 return new A(makeB().x); 112 } 113 A *g() { 114 return new A(makeB()); 115 } 116 A *h() { 117 return new A(makeB(), makeB()); 118 } 119 120 A *i() { 121 // CHECK: define [[A:%.*]]* @_ZN5test11iEv() 122 // CHECK: [[X:%.*]] = alloca [[A]]*, align 8 123 // CHECK: [[ACTIVE:%.*]] = alloca i1 124 // CHECK: store i1 true, i1* [[ACTIVE]] 125 // CHECK-NEXT: [[NEW:%.*]] = call noalias i8* @_Znwm(i64 8) 126 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 127 // CHECK-NEXT: invoke void @_ZN5test15makeBEv([[B:%.*]]* sret [[T0:%.*]]) 128 // CHECK: [[T1:%.*]] = invoke i32 @_ZN5test11BcviEv([[B]]* [[T0]]) 129 // CHECK: invoke void @_ZN5test11AC1Ei([[A]]* [[CAST]], i32 [[T1]]) 130 // CHECK: store i1 false, i1* [[ACTIVE]] 131 // CHECK-NEXT: store [[A]]* [[CAST]], [[A]]** [[X]], align 8 132 // CHECK: invoke void @_ZN5test15makeBEv([[B:%.*]]* sret [[T2:%.*]]) 133 // CHECK: [[RET:%.*]] = load [[A]]** [[X]], align 8 134 // CHECK: invoke void @_ZN5test11BD1Ev([[B]]* [[T2]]) 135 // CHECK: invoke void @_ZN5test11BD1Ev([[B]]* [[T0]]) 136 // CHECK: ret [[A]]* [[RET]] 137 // CHECK: [[ISACTIVE:%.*]] = load i1* [[ACTIVE]] 138 // CHECK-NEXT: br i1 [[ISACTIVE]] 139 // CHECK: call void @_ZdlPv(i8* [[NEW]]) 140 A *x; 141 return (x = new A(makeB()), makeB(), x); 142 } 143 } 144 145 namespace test2 { 146 struct A { 147 A(int); A(int, int); ~A(); 148 void *p; 149 void *operator new(size_t); 150 void operator delete(void*, size_t); 151 }; 152 153 A *a() { 154 // CHECK: define [[A:%.*]]* @_ZN5test21aEv() 155 // CHECK: [[NEW:%.*]] = call i8* @_ZN5test21AnwEm(i64 8) 156 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 157 // CHECK-NEXT: invoke void @_ZN5test21AC1Ei([[A]]* [[CAST]], i32 5) 158 // CHECK: ret [[A]]* [[CAST]] 159 // CHECK: invoke void @_ZN5test21AdlEPvm(i8* [[NEW]], i64 8) 160 // CHECK: call void @_ZSt9terminatev() 161 return new A(5); 162 } 163 } 164 165 namespace test3 { 166 struct A { 167 A(int); A(int, int); A(const A&); ~A(); 168 void *p; 169 void *operator new(size_t, void*, double); 170 void operator delete(void*, void*, double); 171 }; 172 173 void *foo(); 174 double bar(); 175 A makeA(), *makeAPtr(); 176 177 A *a() { 178 // CHECK: define [[A:%.*]]* @_ZN5test31aEv() 179 // CHECK: [[FOO:%.*]] = call i8* @_ZN5test33fooEv() 180 // CHECK: [[BAR:%.*]] = call double @_ZN5test33barEv() 181 // CHECK: [[NEW:%.*]] = call i8* @_ZN5test31AnwEmPvd(i64 8, i8* [[FOO]], double [[BAR]]) 182 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 183 // CHECK-NEXT: invoke void @_ZN5test31AC1Ei([[A]]* [[CAST]], i32 5) 184 // CHECK: ret [[A]]* [[CAST]] 185 // CHECK: invoke void @_ZN5test31AdlEPvS1_d(i8* [[NEW]], i8* [[FOO]], double [[BAR]]) 186 // CHECK: call void @_ZSt9terminatev() 187 return new(foo(),bar()) A(5); 188 } 189 190 // rdar://problem/8439196 191 A *b(bool cond) { 192 193 // CHECK: define [[A:%.*]]* @_ZN5test31bEb(i1 zeroext 194 // CHECK: [[SAVED0:%.*]] = alloca i8* 195 // CHECK-NEXT: [[SAVED1:%.*]] = alloca i8* 196 // CHECK-NEXT: [[CLEANUPACTIVE:%.*]] = alloca i1 197 // CHECK-NEXT: [[TMP:%.*]] = alloca [[A]], align 8 198 // CHECK: [[TMPACTIVE:%.*]] = alloca i1 199 // CHECK-NEXT: store i1 false, i1* [[CLEANUPACTIVE]] 200 201 // CHECK: [[COND:%.*]] = trunc i8 {{.*}} to i1 202 // CHECK-NEXT: store i1 false, i1* [[TMPACTIVE]] 203 // CHECK-NEXT: br i1 [[COND]] 204 return (cond ? 205 206 // CHECK: [[FOO:%.*]] = call i8* @_ZN5test33fooEv() 207 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_ZN5test31AnwEmPvd(i64 8, i8* [[FOO]], double [[CONST:.*]]) 208 // CHECK-NEXT: store i8* [[NEW]], i8** [[SAVED0]] 209 // CHECK-NEXT: store i8* [[FOO]], i8** [[SAVED1]] 210 // CHECK-NEXT: store i1 true, i1* [[CLEANUPACTIVE]] 211 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 212 // CHECK-NEXT: invoke void @_ZN5test35makeAEv([[A]]* sret [[TMP]]) 213 // CHECK: store i1 true, i1* [[TMPACTIVE]] 214 // CHECK-NEXT: invoke void @_ZN5test31AC1ERKS0_([[A]]* [[CAST]], [[A]]* [[TMP]]) 215 // CHECK: store i1 false, i1* [[CLEANUPACTIVE]] 216 // CHECK-NEXT: br label 217 // -> cond.end 218 new(foo(),10.0) A(makeA()) : 219 220 // CHECK: [[MAKE:%.*]] = invoke [[A]]* @_ZN5test38makeAPtrEv() 221 // CHECK: br label 222 // -> cond.end 223 makeAPtr()); 224 225 // cond.end: 226 // CHECK: [[RESULT:%.*]] = phi [[A]]* {{.*}}[[CAST]]{{.*}}[[MAKE]] 227 // CHECK-NEXT: [[ISACTIVE:%.*]] = load i1* [[TMPACTIVE]] 228 // CHECK-NEXT: br i1 [[ISACTIVE]] 229 // CHECK: invoke void @_ZN5test31AD1Ev 230 // CHECK: ret [[A]]* [[RESULT]] 231 232 // in the EH path: 233 // CHECK: [[ISACTIVE:%.*]] = load i1* [[CLEANUPACTIVE]] 234 // CHECK-NEXT: br i1 [[ISACTIVE]] 235 // CHECK: [[V0:%.*]] = load i8** [[SAVED0]] 236 // CHECK-NEXT: [[V1:%.*]] = load i8** [[SAVED1]] 237 // CHECK-NEXT: invoke void @_ZN5test31AdlEPvS1_d(i8* [[V0]], i8* [[V1]], double [[CONST]]) 238 } 239 } 240 241 namespace test4 { 242 struct A { 243 A(int); A(int, int); ~A(); 244 void *p; 245 void *operator new(size_t, void*, void*); 246 void operator delete(void*, size_t, void*, void*); // not a match 247 }; 248 249 A *a() { 250 // CHECK: define [[A:%.*]]* @_ZN5test41aEv() 251 // CHECK: [[FOO:%.*]] = call i8* @_ZN5test43fooEv() 252 // CHECK-NEXT: [[BAR:%.*]] = call i8* @_ZN5test43barEv() 253 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_ZN5test41AnwEmPvS1_(i64 8, i8* [[FOO]], i8* [[BAR]]) 254 // CHECK-NEXT: [[CAST:%.*]] = bitcast i8* [[NEW]] to [[A]]* 255 // CHECK-NEXT: call void @_ZN5test41AC1Ei([[A]]* [[CAST]], i32 5) 256 // CHECK-NEXT: ret [[A]]* [[CAST]] 257 extern void *foo(), *bar(); 258 259 return new(foo(),bar()) A(5); 260 } 261 } 262 263 // PR7908 264 namespace test5 { 265 struct T { T(); ~T(); }; 266 267 struct A { 268 A(const A &x, const T &t = T()); 269 ~A(); 270 }; 271 272 void foo(); 273 274 // CHECK: define void @_ZN5test54testEv() 275 // CHECK: [[EXNSLOT:%.*]] = alloca i8* 276 // CHECK-NEXT: [[SELECTORSLOT:%.*]] = alloca i32 277 // CHECK-NEXT: [[A:%.*]] = alloca [[A_T:%.*]], align 1 278 // CHECK-NEXT: [[T:%.*]] = alloca [[T_T:%.*]], align 1 279 // CHECK-NEXT: alloca i32 280 // CHECK-NEXT: invoke void @_ZN5test53fooEv() 281 // CHECK: [[EXN:%.*]] = load 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]]* [[SRC]], [[T_T]]* [[T]]) 286 // CHECK: invoke void @_ZN5test51TD1Ev([[T_T]]* [[T]]) 287 // CHECK: call i8* @__cxa_begin_catch(i8* [[EXN]]) nounwind 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: alloca i32 329 // CHECK-NEXT: [[OUTER_A:%.*]] = alloca i1 330 // CHECK-NEXT: alloca i8* 331 // CHECK-NEXT: [[INNER_NEW:%.*]] = alloca i1 332 // CHECK-NEXT: alloca [[A]] 333 // CHECK-NEXT: [[INNER_A:%.*]] = alloca i1 334 335 // These entry-block stores are to deactivate the delete cleanups. 336 // CHECK-NEXT: store i1 false, i1* [[INNER_NEW]] 337 // CHECK-NEXT: store i1 false, i1* [[OUTER_NEW]] 338 339 // Allocate the outer object. 340 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_ZN5test71BnwEm( 341 // CHECK-NEXT: icmp eq i8* [[NEW]], null 342 343 // These stores, emitted before the outermost conditional branch, 344 // deactivate the temporary cleanups. 345 // CHECK-NEXT: store i1 false, i1* [[OUTER_A]] 346 // CHECK-NEXT: store i1 false, i1* [[INNER_A]] 347 // CHECK-NEXT: br i1 348 349 // We passed the first null check; activate that cleanup and continue. 350 // CHECK: store i1 true, i1* [[OUTER_NEW]] 351 // CHECK-NEXT: bitcast 352 353 // Create the first A temporary and activate that cleanup. 354 // CHECK-NEXT: invoke void @_ZN5test71AC1Ev( 355 // CHECK: store i1 true, i1* [[OUTER_A]] 356 357 // Allocate the inner object. 358 // CHECK-NEXT: [[NEW:%.*]] = call i8* @_ZN5test71BnwEm( 359 // CHECK-NEXT: icmp eq i8* [[NEW]], null 360 // CHECK-NEXT: br i1 361 362 // We passed the second null check; save that pointer, activate 363 // that cleanup, and continue. 364 // CHECK: store i8* [[NEW]] 365 // CHECK-NEXT: store i1 true, i1* [[INNER_NEW]] 366 // CHECK-NEXT: bitcast 367 368 // Build the second A temporary and activate that cleanup. 369 // CHECK-NEXT: invoke void @_ZN5test71AC1Ev( 370 // CHECK: store i1 true, i1* [[INNER_A]] 371 372 // Build the inner B object and deactivate the inner delete cleanup. 373 // CHECK-NEXT: invoke void @_ZN5test71BC1ERKNS_1AEPS0_( 374 // CHECK: store i1 false, i1* [[INNER_NEW]] 375 // CHECK: phi 376 377 // Build the outer B object and deactivate the outer delete cleanup. 378 // CHECK-NEXT: invoke void @_ZN5test71BC1ERKNS_1AEPS0_( 379 // CHECK: store i1 false, i1* [[OUTER_NEW]] 380 // CHECK: phi 381 382 // Destroy the inner A object. 383 // CHECK-NEXT: load i1* [[INNER_A]] 384 // CHECK-NEXT: br i1 385 // CHECK: invoke void @_ZN5test71AD1Ev( 386 387 // Destroy the outer A object. 388 // CHECK: load i1* [[OUTER_A]] 389 // CHECK-NEXT: br i1 390 // CHECK: invoke void @_ZN5test71AD1Ev( 391 392 return new B(A(), new B(A(), 0)); 393 } 394 } 395
