1 //===- unittests/IR/MetadataTest.cpp - Metadata unit tests ----------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/ADT/STLExtras.h" 11 #include "llvm/IR/Constants.h" 12 #include "llvm/IR/DebugInfo.h" 13 #include "llvm/IR/DebugInfoMetadata.h" 14 #include "llvm/IR/Function.h" 15 #include "llvm/IR/Instructions.h" 16 #include "llvm/IR/LLVMContext.h" 17 #include "llvm/IR/Metadata.h" 18 #include "llvm/IR/Module.h" 19 #include "llvm/IR/ModuleSlotTracker.h" 20 #include "llvm/IR/Type.h" 21 #include "llvm/IR/Verifier.h" 22 #include "llvm/Support/raw_ostream.h" 23 #include "gtest/gtest.h" 24 using namespace llvm; 25 26 namespace { 27 28 TEST(ContextAndReplaceableUsesTest, FromContext) { 29 LLVMContext Context; 30 ContextAndReplaceableUses CRU(Context); 31 EXPECT_EQ(&Context, &CRU.getContext()); 32 EXPECT_FALSE(CRU.hasReplaceableUses()); 33 EXPECT_FALSE(CRU.getReplaceableUses()); 34 } 35 36 TEST(ContextAndReplaceableUsesTest, FromReplaceableUses) { 37 LLVMContext Context; 38 ContextAndReplaceableUses CRU(make_unique<ReplaceableMetadataImpl>(Context)); 39 EXPECT_EQ(&Context, &CRU.getContext()); 40 EXPECT_TRUE(CRU.hasReplaceableUses()); 41 EXPECT_TRUE(CRU.getReplaceableUses()); 42 } 43 44 TEST(ContextAndReplaceableUsesTest, makeReplaceable) { 45 LLVMContext Context; 46 ContextAndReplaceableUses CRU(Context); 47 CRU.makeReplaceable(make_unique<ReplaceableMetadataImpl>(Context)); 48 EXPECT_EQ(&Context, &CRU.getContext()); 49 EXPECT_TRUE(CRU.hasReplaceableUses()); 50 EXPECT_TRUE(CRU.getReplaceableUses()); 51 } 52 53 TEST(ContextAndReplaceableUsesTest, takeReplaceableUses) { 54 LLVMContext Context; 55 auto ReplaceableUses = make_unique<ReplaceableMetadataImpl>(Context); 56 auto *Ptr = ReplaceableUses.get(); 57 ContextAndReplaceableUses CRU(std::move(ReplaceableUses)); 58 ReplaceableUses = CRU.takeReplaceableUses(); 59 EXPECT_EQ(&Context, &CRU.getContext()); 60 EXPECT_FALSE(CRU.hasReplaceableUses()); 61 EXPECT_FALSE(CRU.getReplaceableUses()); 62 EXPECT_EQ(Ptr, ReplaceableUses.get()); 63 } 64 65 class MetadataTest : public testing::Test { 66 public: 67 MetadataTest() : M("test", Context), Counter(0) {} 68 69 protected: 70 LLVMContext Context; 71 Module M; 72 int Counter; 73 74 MDNode *getNode() { return MDNode::get(Context, None); } 75 MDNode *getNode(Metadata *MD) { return MDNode::get(Context, MD); } 76 MDNode *getNode(Metadata *MD1, Metadata *MD2) { 77 Metadata *MDs[] = {MD1, MD2}; 78 return MDNode::get(Context, MDs); 79 } 80 81 MDTuple *getTuple() { return MDTuple::getDistinct(Context, None); } 82 DISubroutineType *getSubroutineType() { 83 return DISubroutineType::getDistinct(Context, DINode::FlagZero, 0, 84 getNode(nullptr)); 85 } 86 DISubprogram *getSubprogram() { 87 return DISubprogram::getDistinct(Context, nullptr, "", "", nullptr, 0, 88 nullptr, false, false, 0, nullptr, 0, 0, 0, 89 DINode::FlagZero, false, nullptr); 90 } 91 DIFile *getFile() { 92 return DIFile::getDistinct(Context, "file.c", "/path/to/dir"); 93 } 94 DICompileUnit *getUnit() { 95 return DICompileUnit::getDistinct(Context, 1, getFile(), "clang", false, 96 "-g", 2, "", DICompileUnit::FullDebug, 97 getTuple(), getTuple(), getTuple(), 98 getTuple(), getTuple(), 0, true, false); 99 } 100 DIType *getBasicType(StringRef Name) { 101 return DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type, Name); 102 } 103 DIType *getDerivedType() { 104 return DIDerivedType::getDistinct( 105 Context, dwarf::DW_TAG_pointer_type, "", nullptr, 0, nullptr, 106 getBasicType("basictype"), 1, 2, 0, None, DINode::FlagZero); 107 } 108 Constant *getConstant() { 109 return ConstantInt::get(Type::getInt32Ty(Context), Counter++); 110 } 111 ConstantAsMetadata *getConstantAsMetadata() { 112 return ConstantAsMetadata::get(getConstant()); 113 } 114 DIType *getCompositeType() { 115 return DICompositeType::getDistinct( 116 Context, dwarf::DW_TAG_structure_type, "", nullptr, 0, nullptr, nullptr, 117 32, 32, 0, DINode::FlagZero, nullptr, 0, nullptr, nullptr, ""); 118 } 119 Function *getFunction(StringRef Name) { 120 return cast<Function>(M.getOrInsertFunction( 121 Name, FunctionType::get(Type::getVoidTy(Context), None, false))); 122 } 123 }; 124 typedef MetadataTest MDStringTest; 125 126 // Test that construction of MDString with different value produces different 127 // MDString objects, even with the same string pointer and nulls in the string. 128 TEST_F(MDStringTest, CreateDifferent) { 129 char x[3] = { 'f', 0, 'A' }; 130 MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); 131 x[2] = 'B'; 132 MDString *s2 = MDString::get(Context, StringRef(&x[0], 3)); 133 EXPECT_NE(s1, s2); 134 } 135 136 // Test that creation of MDStrings with the same string contents produces the 137 // same MDString object, even with different pointers. 138 TEST_F(MDStringTest, CreateSame) { 139 char x[4] = { 'a', 'b', 'c', 'X' }; 140 char y[4] = { 'a', 'b', 'c', 'Y' }; 141 142 MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); 143 MDString *s2 = MDString::get(Context, StringRef(&y[0], 3)); 144 EXPECT_EQ(s1, s2); 145 } 146 147 // Test that MDString prints out the string we fed it. 148 TEST_F(MDStringTest, PrintingSimple) { 149 char *str = new char[13]; 150 strncpy(str, "testing 1 2 3", 13); 151 MDString *s = MDString::get(Context, StringRef(str, 13)); 152 strncpy(str, "aaaaaaaaaaaaa", 13); 153 delete[] str; 154 155 std::string Str; 156 raw_string_ostream oss(Str); 157 s->print(oss); 158 EXPECT_STREQ("!\"testing 1 2 3\"", oss.str().c_str()); 159 } 160 161 // Test printing of MDString with non-printable characters. 162 TEST_F(MDStringTest, PrintingComplex) { 163 char str[5] = {0, '\n', '"', '\\', (char)-1}; 164 MDString *s = MDString::get(Context, StringRef(str+0, 5)); 165 std::string Str; 166 raw_string_ostream oss(Str); 167 s->print(oss); 168 EXPECT_STREQ("!\"\\00\\0A\\22\\5C\\FF\"", oss.str().c_str()); 169 } 170 171 typedef MetadataTest MDNodeTest; 172 173 // Test the two constructors, and containing other Constants. 174 TEST_F(MDNodeTest, Simple) { 175 char x[3] = { 'a', 'b', 'c' }; 176 char y[3] = { '1', '2', '3' }; 177 178 MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); 179 MDString *s2 = MDString::get(Context, StringRef(&y[0], 3)); 180 ConstantAsMetadata *CI = 181 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0))); 182 183 std::vector<Metadata *> V; 184 V.push_back(s1); 185 V.push_back(CI); 186 V.push_back(s2); 187 188 MDNode *n1 = MDNode::get(Context, V); 189 Metadata *const c1 = n1; 190 MDNode *n2 = MDNode::get(Context, c1); 191 Metadata *const c2 = n2; 192 MDNode *n3 = MDNode::get(Context, V); 193 MDNode *n4 = MDNode::getIfExists(Context, V); 194 MDNode *n5 = MDNode::getIfExists(Context, c1); 195 MDNode *n6 = MDNode::getIfExists(Context, c2); 196 EXPECT_NE(n1, n2); 197 EXPECT_EQ(n1, n3); 198 EXPECT_EQ(n4, n1); 199 EXPECT_EQ(n5, n2); 200 EXPECT_EQ(n6, (Metadata *)nullptr); 201 202 EXPECT_EQ(3u, n1->getNumOperands()); 203 EXPECT_EQ(s1, n1->getOperand(0)); 204 EXPECT_EQ(CI, n1->getOperand(1)); 205 EXPECT_EQ(s2, n1->getOperand(2)); 206 207 EXPECT_EQ(1u, n2->getNumOperands()); 208 EXPECT_EQ(n1, n2->getOperand(0)); 209 } 210 211 TEST_F(MDNodeTest, Delete) { 212 Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 1); 213 Instruction *I = new BitCastInst(C, Type::getInt32Ty(Context)); 214 215 Metadata *const V = LocalAsMetadata::get(I); 216 MDNode *n = MDNode::get(Context, V); 217 TrackingMDRef wvh(n); 218 219 EXPECT_EQ(n, wvh); 220 221 delete I; 222 } 223 224 TEST_F(MDNodeTest, SelfReference) { 225 // !0 = !{!0} 226 // !1 = !{!0} 227 { 228 auto Temp = MDNode::getTemporary(Context, None); 229 Metadata *Args[] = {Temp.get()}; 230 MDNode *Self = MDNode::get(Context, Args); 231 Self->replaceOperandWith(0, Self); 232 ASSERT_EQ(Self, Self->getOperand(0)); 233 234 // Self-references should be distinct, so MDNode::get() should grab a 235 // uniqued node that references Self, not Self. 236 Args[0] = Self; 237 MDNode *Ref1 = MDNode::get(Context, Args); 238 MDNode *Ref2 = MDNode::get(Context, Args); 239 EXPECT_NE(Self, Ref1); 240 EXPECT_EQ(Ref1, Ref2); 241 } 242 243 // !0 = !{!0, !{}} 244 // !1 = !{!0, !{}} 245 { 246 auto Temp = MDNode::getTemporary(Context, None); 247 Metadata *Args[] = {Temp.get(), MDNode::get(Context, None)}; 248 MDNode *Self = MDNode::get(Context, Args); 249 Self->replaceOperandWith(0, Self); 250 ASSERT_EQ(Self, Self->getOperand(0)); 251 252 // Self-references should be distinct, so MDNode::get() should grab a 253 // uniqued node that references Self, not Self itself. 254 Args[0] = Self; 255 MDNode *Ref1 = MDNode::get(Context, Args); 256 MDNode *Ref2 = MDNode::get(Context, Args); 257 EXPECT_NE(Self, Ref1); 258 EXPECT_EQ(Ref1, Ref2); 259 } 260 } 261 262 TEST_F(MDNodeTest, Print) { 263 Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 7); 264 MDString *S = MDString::get(Context, "foo"); 265 MDNode *N0 = getNode(); 266 MDNode *N1 = getNode(N0); 267 MDNode *N2 = getNode(N0, N1); 268 269 Metadata *Args[] = {ConstantAsMetadata::get(C), S, nullptr, N0, N1, N2}; 270 MDNode *N = MDNode::get(Context, Args); 271 272 std::string Expected; 273 { 274 raw_string_ostream OS(Expected); 275 OS << "<" << (void *)N << "> = !{"; 276 C->printAsOperand(OS); 277 OS << ", "; 278 S->printAsOperand(OS); 279 OS << ", null"; 280 MDNode *Nodes[] = {N0, N1, N2}; 281 for (auto *Node : Nodes) 282 OS << ", <" << (void *)Node << ">"; 283 OS << "}"; 284 } 285 286 std::string Actual; 287 { 288 raw_string_ostream OS(Actual); 289 N->print(OS); 290 } 291 292 EXPECT_EQ(Expected, Actual); 293 } 294 295 #define EXPECT_PRINTER_EQ(EXPECTED, PRINT) \ 296 do { \ 297 std::string Actual_; \ 298 raw_string_ostream OS(Actual_); \ 299 PRINT; \ 300 OS.flush(); \ 301 std::string Expected_(EXPECTED); \ 302 EXPECT_EQ(Expected_, Actual_); \ 303 } while (false) 304 305 TEST_F(MDNodeTest, PrintTemporary) { 306 MDNode *Arg = getNode(); 307 TempMDNode Temp = MDNode::getTemporary(Context, Arg); 308 MDNode *N = getNode(Temp.get()); 309 Module M("test", Context); 310 NamedMDNode *NMD = M.getOrInsertNamedMetadata("named"); 311 NMD->addOperand(N); 312 313 EXPECT_PRINTER_EQ("!0 = !{!1}", N->print(OS, &M)); 314 EXPECT_PRINTER_EQ("!1 = <temporary!> !{!2}", Temp->print(OS, &M)); 315 EXPECT_PRINTER_EQ("!2 = !{}", Arg->print(OS, &M)); 316 317 // Cleanup. 318 Temp->replaceAllUsesWith(Arg); 319 } 320 321 TEST_F(MDNodeTest, PrintFromModule) { 322 Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 7); 323 MDString *S = MDString::get(Context, "foo"); 324 MDNode *N0 = getNode(); 325 MDNode *N1 = getNode(N0); 326 MDNode *N2 = getNode(N0, N1); 327 328 Metadata *Args[] = {ConstantAsMetadata::get(C), S, nullptr, N0, N1, N2}; 329 MDNode *N = MDNode::get(Context, Args); 330 Module M("test", Context); 331 NamedMDNode *NMD = M.getOrInsertNamedMetadata("named"); 332 NMD->addOperand(N); 333 334 std::string Expected; 335 { 336 raw_string_ostream OS(Expected); 337 OS << "!0 = !{"; 338 C->printAsOperand(OS); 339 OS << ", "; 340 S->printAsOperand(OS); 341 OS << ", null, !1, !2, !3}"; 342 } 343 344 EXPECT_PRINTER_EQ(Expected, N->print(OS, &M)); 345 } 346 347 TEST_F(MDNodeTest, PrintFromFunction) { 348 Module M("test", Context); 349 auto *FTy = FunctionType::get(Type::getVoidTy(Context), false); 350 auto *F0 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F0", &M); 351 auto *F1 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F1", &M); 352 auto *BB0 = BasicBlock::Create(Context, "entry", F0); 353 auto *BB1 = BasicBlock::Create(Context, "entry", F1); 354 auto *R0 = ReturnInst::Create(Context, BB0); 355 auto *R1 = ReturnInst::Create(Context, BB1); 356 auto *N0 = MDNode::getDistinct(Context, None); 357 auto *N1 = MDNode::getDistinct(Context, None); 358 R0->setMetadata("md", N0); 359 R1->setMetadata("md", N1); 360 361 EXPECT_PRINTER_EQ("!0 = distinct !{}", N0->print(OS, &M)); 362 EXPECT_PRINTER_EQ("!1 = distinct !{}", N1->print(OS, &M)); 363 364 ModuleSlotTracker MST(&M); 365 EXPECT_PRINTER_EQ("!0 = distinct !{}", N0->print(OS, MST)); 366 EXPECT_PRINTER_EQ("!1 = distinct !{}", N1->print(OS, MST)); 367 } 368 369 TEST_F(MDNodeTest, PrintFromMetadataAsValue) { 370 Module M("test", Context); 371 372 auto *Intrinsic = 373 Function::Create(FunctionType::get(Type::getVoidTy(Context), 374 Type::getMetadataTy(Context), false), 375 GlobalValue::ExternalLinkage, "llvm.intrinsic", &M); 376 377 auto *FTy = FunctionType::get(Type::getVoidTy(Context), false); 378 auto *F0 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F0", &M); 379 auto *F1 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F1", &M); 380 auto *BB0 = BasicBlock::Create(Context, "entry", F0); 381 auto *BB1 = BasicBlock::Create(Context, "entry", F1); 382 auto *N0 = MDNode::getDistinct(Context, None); 383 auto *N1 = MDNode::getDistinct(Context, None); 384 auto *MAV0 = MetadataAsValue::get(Context, N0); 385 auto *MAV1 = MetadataAsValue::get(Context, N1); 386 CallInst::Create(Intrinsic, MAV0, "", BB0); 387 CallInst::Create(Intrinsic, MAV1, "", BB1); 388 389 EXPECT_PRINTER_EQ("!0 = distinct !{}", MAV0->print(OS)); 390 EXPECT_PRINTER_EQ("!1 = distinct !{}", MAV1->print(OS)); 391 EXPECT_PRINTER_EQ("!0", MAV0->printAsOperand(OS, false)); 392 EXPECT_PRINTER_EQ("!1", MAV1->printAsOperand(OS, false)); 393 EXPECT_PRINTER_EQ("metadata !0", MAV0->printAsOperand(OS, true)); 394 EXPECT_PRINTER_EQ("metadata !1", MAV1->printAsOperand(OS, true)); 395 396 ModuleSlotTracker MST(&M); 397 EXPECT_PRINTER_EQ("!0 = distinct !{}", MAV0->print(OS, MST)); 398 EXPECT_PRINTER_EQ("!1 = distinct !{}", MAV1->print(OS, MST)); 399 EXPECT_PRINTER_EQ("!0", MAV0->printAsOperand(OS, false, MST)); 400 EXPECT_PRINTER_EQ("!1", MAV1->printAsOperand(OS, false, MST)); 401 EXPECT_PRINTER_EQ("metadata !0", MAV0->printAsOperand(OS, true, MST)); 402 EXPECT_PRINTER_EQ("metadata !1", MAV1->printAsOperand(OS, true, MST)); 403 } 404 #undef EXPECT_PRINTER_EQ 405 406 TEST_F(MDNodeTest, NullOperand) { 407 // metadata !{} 408 MDNode *Empty = MDNode::get(Context, None); 409 410 // metadata !{metadata !{}} 411 Metadata *Ops[] = {Empty}; 412 MDNode *N = MDNode::get(Context, Ops); 413 ASSERT_EQ(Empty, N->getOperand(0)); 414 415 // metadata !{metadata !{}} => metadata !{null} 416 N->replaceOperandWith(0, nullptr); 417 ASSERT_EQ(nullptr, N->getOperand(0)); 418 419 // metadata !{null} 420 Ops[0] = nullptr; 421 MDNode *NullOp = MDNode::get(Context, Ops); 422 ASSERT_EQ(nullptr, NullOp->getOperand(0)); 423 EXPECT_EQ(N, NullOp); 424 } 425 426 TEST_F(MDNodeTest, DistinctOnUniquingCollision) { 427 // !{} 428 MDNode *Empty = MDNode::get(Context, None); 429 ASSERT_TRUE(Empty->isResolved()); 430 EXPECT_FALSE(Empty->isDistinct()); 431 432 // !{!{}} 433 Metadata *Wrapped1Ops[] = {Empty}; 434 MDNode *Wrapped1 = MDNode::get(Context, Wrapped1Ops); 435 ASSERT_EQ(Empty, Wrapped1->getOperand(0)); 436 ASSERT_TRUE(Wrapped1->isResolved()); 437 EXPECT_FALSE(Wrapped1->isDistinct()); 438 439 // !{!{!{}}} 440 Metadata *Wrapped2Ops[] = {Wrapped1}; 441 MDNode *Wrapped2 = MDNode::get(Context, Wrapped2Ops); 442 ASSERT_EQ(Wrapped1, Wrapped2->getOperand(0)); 443 ASSERT_TRUE(Wrapped2->isResolved()); 444 EXPECT_FALSE(Wrapped2->isDistinct()); 445 446 // !{!{!{}}} => !{!{}} 447 Wrapped2->replaceOperandWith(0, Empty); 448 ASSERT_EQ(Empty, Wrapped2->getOperand(0)); 449 EXPECT_TRUE(Wrapped2->isDistinct()); 450 EXPECT_FALSE(Wrapped1->isDistinct()); 451 } 452 453 TEST_F(MDNodeTest, UniquedOnDeletedOperand) { 454 // temp !{} 455 TempMDTuple T = MDTuple::getTemporary(Context, None); 456 457 // !{temp !{}} 458 Metadata *Ops[] = {T.get()}; 459 MDTuple *N = MDTuple::get(Context, Ops); 460 461 // !{temp !{}} => !{null} 462 T.reset(); 463 ASSERT_TRUE(N->isUniqued()); 464 Metadata *NullOps[] = {nullptr}; 465 ASSERT_EQ(N, MDTuple::get(Context, NullOps)); 466 } 467 468 TEST_F(MDNodeTest, DistinctOnDeletedValueOperand) { 469 // i1* @GV 470 Type *Ty = Type::getInt1PtrTy(Context); 471 std::unique_ptr<GlobalVariable> GV( 472 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 473 ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get()); 474 475 // !{i1* @GV} 476 Metadata *Ops[] = {Op}; 477 MDTuple *N = MDTuple::get(Context, Ops); 478 479 // !{i1* @GV} => !{null} 480 GV.reset(); 481 ASSERT_TRUE(N->isDistinct()); 482 ASSERT_EQ(nullptr, N->getOperand(0)); 483 Metadata *NullOps[] = {nullptr}; 484 ASSERT_NE(N, MDTuple::get(Context, NullOps)); 485 } 486 487 TEST_F(MDNodeTest, getDistinct) { 488 // !{} 489 MDNode *Empty = MDNode::get(Context, None); 490 ASSERT_TRUE(Empty->isResolved()); 491 ASSERT_FALSE(Empty->isDistinct()); 492 ASSERT_EQ(Empty, MDNode::get(Context, None)); 493 494 // distinct !{} 495 MDNode *Distinct1 = MDNode::getDistinct(Context, None); 496 MDNode *Distinct2 = MDNode::getDistinct(Context, None); 497 EXPECT_TRUE(Distinct1->isResolved()); 498 EXPECT_TRUE(Distinct2->isDistinct()); 499 EXPECT_NE(Empty, Distinct1); 500 EXPECT_NE(Empty, Distinct2); 501 EXPECT_NE(Distinct1, Distinct2); 502 503 // !{} 504 ASSERT_EQ(Empty, MDNode::get(Context, None)); 505 } 506 507 TEST_F(MDNodeTest, isUniqued) { 508 MDNode *U = MDTuple::get(Context, None); 509 MDNode *D = MDTuple::getDistinct(Context, None); 510 auto T = MDTuple::getTemporary(Context, None); 511 EXPECT_TRUE(U->isUniqued()); 512 EXPECT_FALSE(D->isUniqued()); 513 EXPECT_FALSE(T->isUniqued()); 514 } 515 516 TEST_F(MDNodeTest, isDistinct) { 517 MDNode *U = MDTuple::get(Context, None); 518 MDNode *D = MDTuple::getDistinct(Context, None); 519 auto T = MDTuple::getTemporary(Context, None); 520 EXPECT_FALSE(U->isDistinct()); 521 EXPECT_TRUE(D->isDistinct()); 522 EXPECT_FALSE(T->isDistinct()); 523 } 524 525 TEST_F(MDNodeTest, isTemporary) { 526 MDNode *U = MDTuple::get(Context, None); 527 MDNode *D = MDTuple::getDistinct(Context, None); 528 auto T = MDTuple::getTemporary(Context, None); 529 EXPECT_FALSE(U->isTemporary()); 530 EXPECT_FALSE(D->isTemporary()); 531 EXPECT_TRUE(T->isTemporary()); 532 } 533 534 TEST_F(MDNodeTest, getDistinctWithUnresolvedOperands) { 535 // temporary !{} 536 auto Temp = MDTuple::getTemporary(Context, None); 537 ASSERT_FALSE(Temp->isResolved()); 538 539 // distinct !{temporary !{}} 540 Metadata *Ops[] = {Temp.get()}; 541 MDNode *Distinct = MDNode::getDistinct(Context, Ops); 542 EXPECT_TRUE(Distinct->isResolved()); 543 EXPECT_EQ(Temp.get(), Distinct->getOperand(0)); 544 545 // temporary !{} => !{} 546 MDNode *Empty = MDNode::get(Context, None); 547 Temp->replaceAllUsesWith(Empty); 548 EXPECT_EQ(Empty, Distinct->getOperand(0)); 549 } 550 551 TEST_F(MDNodeTest, handleChangedOperandRecursion) { 552 // !0 = !{} 553 MDNode *N0 = MDNode::get(Context, None); 554 555 // !1 = !{!3, null} 556 auto Temp3 = MDTuple::getTemporary(Context, None); 557 Metadata *Ops1[] = {Temp3.get(), nullptr}; 558 MDNode *N1 = MDNode::get(Context, Ops1); 559 560 // !2 = !{!3, !0} 561 Metadata *Ops2[] = {Temp3.get(), N0}; 562 MDNode *N2 = MDNode::get(Context, Ops2); 563 564 // !3 = !{!2} 565 Metadata *Ops3[] = {N2}; 566 MDNode *N3 = MDNode::get(Context, Ops3); 567 Temp3->replaceAllUsesWith(N3); 568 569 // !4 = !{!1} 570 Metadata *Ops4[] = {N1}; 571 MDNode *N4 = MDNode::get(Context, Ops4); 572 573 // Confirm that the cycle prevented RAUW from getting dropped. 574 EXPECT_TRUE(N0->isResolved()); 575 EXPECT_FALSE(N1->isResolved()); 576 EXPECT_FALSE(N2->isResolved()); 577 EXPECT_FALSE(N3->isResolved()); 578 EXPECT_FALSE(N4->isResolved()); 579 580 // Create a couple of distinct nodes to observe what's going on. 581 // 582 // !5 = distinct !{!2} 583 // !6 = distinct !{!3} 584 Metadata *Ops5[] = {N2}; 585 MDNode *N5 = MDNode::getDistinct(Context, Ops5); 586 Metadata *Ops6[] = {N3}; 587 MDNode *N6 = MDNode::getDistinct(Context, Ops6); 588 589 // Mutate !2 to look like !1, causing a uniquing collision (and an RAUW). 590 // This will ripple up, with !3 colliding with !4, and RAUWing. Since !2 591 // references !3, this can cause a re-entry of handleChangedOperand() when !3 592 // is not ready for it. 593 // 594 // !2->replaceOperandWith(1, nullptr) 595 // !2: !{!3, !0} => !{!3, null} 596 // !2->replaceAllUsesWith(!1) 597 // !3: !{!2] => !{!1} 598 // !3->replaceAllUsesWith(!4) 599 N2->replaceOperandWith(1, nullptr); 600 601 // If all has gone well, N2 and N3 will have been RAUW'ed and deleted from 602 // under us. Just check that the other nodes are sane. 603 // 604 // !1 = !{!4, null} 605 // !4 = !{!1} 606 // !5 = distinct !{!1} 607 // !6 = distinct !{!4} 608 EXPECT_EQ(N4, N1->getOperand(0)); 609 EXPECT_EQ(N1, N4->getOperand(0)); 610 EXPECT_EQ(N1, N5->getOperand(0)); 611 EXPECT_EQ(N4, N6->getOperand(0)); 612 } 613 614 TEST_F(MDNodeTest, replaceResolvedOperand) { 615 // Check code for replacing one resolved operand with another. If doing this 616 // directly (via replaceOperandWith()) becomes illegal, change the operand to 617 // a global value that gets RAUW'ed. 618 // 619 // Use a temporary node to keep N from being resolved. 620 auto Temp = MDTuple::getTemporary(Context, None); 621 Metadata *Ops[] = {nullptr, Temp.get()}; 622 623 MDNode *Empty = MDTuple::get(Context, ArrayRef<Metadata *>()); 624 MDNode *N = MDTuple::get(Context, Ops); 625 EXPECT_EQ(nullptr, N->getOperand(0)); 626 ASSERT_FALSE(N->isResolved()); 627 628 // Check code for replacing resolved nodes. 629 N->replaceOperandWith(0, Empty); 630 EXPECT_EQ(Empty, N->getOperand(0)); 631 632 // Check code for adding another unresolved operand. 633 N->replaceOperandWith(0, Temp.get()); 634 EXPECT_EQ(Temp.get(), N->getOperand(0)); 635 636 // Remove the references to Temp; required for teardown. 637 Temp->replaceAllUsesWith(nullptr); 638 } 639 640 TEST_F(MDNodeTest, replaceWithUniqued) { 641 auto *Empty = MDTuple::get(Context, None); 642 MDTuple *FirstUniqued; 643 { 644 Metadata *Ops[] = {Empty}; 645 auto Temp = MDTuple::getTemporary(Context, Ops); 646 EXPECT_TRUE(Temp->isTemporary()); 647 648 // Don't expect a collision. 649 auto *Current = Temp.get(); 650 FirstUniqued = MDNode::replaceWithUniqued(std::move(Temp)); 651 EXPECT_TRUE(FirstUniqued->isUniqued()); 652 EXPECT_TRUE(FirstUniqued->isResolved()); 653 EXPECT_EQ(Current, FirstUniqued); 654 } 655 { 656 Metadata *Ops[] = {Empty}; 657 auto Temp = MDTuple::getTemporary(Context, Ops); 658 EXPECT_TRUE(Temp->isTemporary()); 659 660 // Should collide with Uniqued above this time. 661 auto *Uniqued = MDNode::replaceWithUniqued(std::move(Temp)); 662 EXPECT_TRUE(Uniqued->isUniqued()); 663 EXPECT_TRUE(Uniqued->isResolved()); 664 EXPECT_EQ(FirstUniqued, Uniqued); 665 } 666 { 667 auto Unresolved = MDTuple::getTemporary(Context, None); 668 Metadata *Ops[] = {Unresolved.get()}; 669 auto Temp = MDTuple::getTemporary(Context, Ops); 670 EXPECT_TRUE(Temp->isTemporary()); 671 672 // Shouldn't be resolved. 673 auto *Uniqued = MDNode::replaceWithUniqued(std::move(Temp)); 674 EXPECT_TRUE(Uniqued->isUniqued()); 675 EXPECT_FALSE(Uniqued->isResolved()); 676 677 // Should be a different node. 678 EXPECT_NE(FirstUniqued, Uniqued); 679 680 // Should resolve when we update its node (note: be careful to avoid a 681 // collision with any other nodes above). 682 Uniqued->replaceOperandWith(0, nullptr); 683 EXPECT_TRUE(Uniqued->isResolved()); 684 } 685 } 686 687 TEST_F(MDNodeTest, replaceWithUniquedResolvingOperand) { 688 // temp !{} 689 MDTuple *Op = MDTuple::getTemporary(Context, None).release(); 690 EXPECT_FALSE(Op->isResolved()); 691 692 // temp !{temp !{}} 693 Metadata *Ops[] = {Op}; 694 MDTuple *N = MDTuple::getTemporary(Context, Ops).release(); 695 EXPECT_FALSE(N->isResolved()); 696 697 // temp !{temp !{}} => !{temp !{}} 698 ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N))); 699 EXPECT_FALSE(N->isResolved()); 700 701 // !{temp !{}} => !{!{}} 702 ASSERT_EQ(Op, MDNode::replaceWithUniqued(TempMDTuple(Op))); 703 EXPECT_TRUE(Op->isResolved()); 704 EXPECT_TRUE(N->isResolved()); 705 } 706 707 TEST_F(MDNodeTest, replaceWithUniquedDeletedOperand) { 708 // i1* @GV 709 Type *Ty = Type::getInt1PtrTy(Context); 710 std::unique_ptr<GlobalVariable> GV( 711 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 712 ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get()); 713 714 // temp !{i1* @GV} 715 Metadata *Ops[] = {Op}; 716 MDTuple *N = MDTuple::getTemporary(Context, Ops).release(); 717 718 // temp !{i1* @GV} => !{i1* @GV} 719 ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N))); 720 ASSERT_TRUE(N->isUniqued()); 721 722 // !{i1* @GV} => !{null} 723 GV.reset(); 724 ASSERT_TRUE(N->isDistinct()); 725 ASSERT_EQ(nullptr, N->getOperand(0)); 726 Metadata *NullOps[] = {nullptr}; 727 ASSERT_NE(N, MDTuple::get(Context, NullOps)); 728 } 729 730 TEST_F(MDNodeTest, replaceWithUniquedChangedOperand) { 731 // i1* @GV 732 Type *Ty = Type::getInt1PtrTy(Context); 733 std::unique_ptr<GlobalVariable> GV( 734 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 735 ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get()); 736 737 // temp !{i1* @GV} 738 Metadata *Ops[] = {Op}; 739 MDTuple *N = MDTuple::getTemporary(Context, Ops).release(); 740 741 // temp !{i1* @GV} => !{i1* @GV} 742 ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N))); 743 ASSERT_TRUE(N->isUniqued()); 744 745 // !{i1* @GV} => !{i1* @GV2} 746 std::unique_ptr<GlobalVariable> GV2( 747 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 748 GV->replaceAllUsesWith(GV2.get()); 749 ASSERT_TRUE(N->isUniqued()); 750 Metadata *NullOps[] = {ConstantAsMetadata::get(GV2.get())}; 751 ASSERT_EQ(N, MDTuple::get(Context, NullOps)); 752 } 753 754 TEST_F(MDNodeTest, replaceWithDistinct) { 755 { 756 auto *Empty = MDTuple::get(Context, None); 757 Metadata *Ops[] = {Empty}; 758 auto Temp = MDTuple::getTemporary(Context, Ops); 759 EXPECT_TRUE(Temp->isTemporary()); 760 761 // Don't expect a collision. 762 auto *Current = Temp.get(); 763 auto *Distinct = MDNode::replaceWithDistinct(std::move(Temp)); 764 EXPECT_TRUE(Distinct->isDistinct()); 765 EXPECT_TRUE(Distinct->isResolved()); 766 EXPECT_EQ(Current, Distinct); 767 } 768 { 769 auto Unresolved = MDTuple::getTemporary(Context, None); 770 Metadata *Ops[] = {Unresolved.get()}; 771 auto Temp = MDTuple::getTemporary(Context, Ops); 772 EXPECT_TRUE(Temp->isTemporary()); 773 774 // Don't expect a collision. 775 auto *Current = Temp.get(); 776 auto *Distinct = MDNode::replaceWithDistinct(std::move(Temp)); 777 EXPECT_TRUE(Distinct->isDistinct()); 778 EXPECT_TRUE(Distinct->isResolved()); 779 EXPECT_EQ(Current, Distinct); 780 781 // Cleanup; required for teardown. 782 Unresolved->replaceAllUsesWith(nullptr); 783 } 784 } 785 786 TEST_F(MDNodeTest, replaceWithPermanent) { 787 Metadata *Ops[] = {nullptr}; 788 auto Temp = MDTuple::getTemporary(Context, Ops); 789 auto *T = Temp.get(); 790 791 // U is a normal, uniqued node that references T. 792 auto *U = MDTuple::get(Context, T); 793 EXPECT_TRUE(U->isUniqued()); 794 795 // Make Temp self-referencing. 796 Temp->replaceOperandWith(0, T); 797 798 // Try to uniquify Temp. This should, despite the name in the API, give a 799 // 'distinct' node, since self-references aren't allowed to be uniqued. 800 // 801 // Since it's distinct, N should have the same address as when it was a 802 // temporary (i.e., be equal to T not U). 803 auto *N = MDNode::replaceWithPermanent(std::move(Temp)); 804 EXPECT_EQ(N, T); 805 EXPECT_TRUE(N->isDistinct()); 806 807 // U should be the canonical unique node with N as the argument. 808 EXPECT_EQ(U, MDTuple::get(Context, N)); 809 EXPECT_TRUE(U->isUniqued()); 810 811 // This temporary should collide with U when replaced, but it should still be 812 // uniqued. 813 EXPECT_EQ(U, MDNode::replaceWithPermanent(MDTuple::getTemporary(Context, N))); 814 EXPECT_TRUE(U->isUniqued()); 815 816 // This temporary should become a new uniqued node. 817 auto Temp2 = MDTuple::getTemporary(Context, U); 818 auto *V = Temp2.get(); 819 EXPECT_EQ(V, MDNode::replaceWithPermanent(std::move(Temp2))); 820 EXPECT_TRUE(V->isUniqued()); 821 EXPECT_EQ(U, V->getOperand(0)); 822 } 823 824 TEST_F(MDNodeTest, deleteTemporaryWithTrackingRef) { 825 TrackingMDRef Ref; 826 EXPECT_EQ(nullptr, Ref.get()); 827 { 828 auto Temp = MDTuple::getTemporary(Context, None); 829 Ref.reset(Temp.get()); 830 EXPECT_EQ(Temp.get(), Ref.get()); 831 } 832 EXPECT_EQ(nullptr, Ref.get()); 833 } 834 835 typedef MetadataTest DILocationTest; 836 837 TEST_F(DILocationTest, Overflow) { 838 DISubprogram *N = getSubprogram(); 839 { 840 DILocation *L = DILocation::get(Context, 2, 7, N); 841 EXPECT_EQ(2u, L->getLine()); 842 EXPECT_EQ(7u, L->getColumn()); 843 } 844 unsigned U16 = 1u << 16; 845 { 846 DILocation *L = DILocation::get(Context, UINT32_MAX, U16 - 1, N); 847 EXPECT_EQ(UINT32_MAX, L->getLine()); 848 EXPECT_EQ(U16 - 1, L->getColumn()); 849 } 850 { 851 DILocation *L = DILocation::get(Context, UINT32_MAX, U16, N); 852 EXPECT_EQ(UINT32_MAX, L->getLine()); 853 EXPECT_EQ(0u, L->getColumn()); 854 } 855 { 856 DILocation *L = DILocation::get(Context, UINT32_MAX, U16 + 1, N); 857 EXPECT_EQ(UINT32_MAX, L->getLine()); 858 EXPECT_EQ(0u, L->getColumn()); 859 } 860 } 861 862 TEST_F(DILocationTest, getDistinct) { 863 MDNode *N = getSubprogram(); 864 DILocation *L0 = DILocation::getDistinct(Context, 2, 7, N); 865 EXPECT_TRUE(L0->isDistinct()); 866 DILocation *L1 = DILocation::get(Context, 2, 7, N); 867 EXPECT_FALSE(L1->isDistinct()); 868 EXPECT_EQ(L1, DILocation::get(Context, 2, 7, N)); 869 } 870 871 TEST_F(DILocationTest, getTemporary) { 872 MDNode *N = MDNode::get(Context, None); 873 auto L = DILocation::getTemporary(Context, 2, 7, N); 874 EXPECT_TRUE(L->isTemporary()); 875 EXPECT_FALSE(L->isResolved()); 876 } 877 878 TEST_F(DILocationTest, cloneTemporary) { 879 MDNode *N = MDNode::get(Context, None); 880 auto L = DILocation::getTemporary(Context, 2, 7, N); 881 EXPECT_TRUE(L->isTemporary()); 882 auto L2 = L->clone(); 883 EXPECT_TRUE(L2->isTemporary()); 884 } 885 886 typedef MetadataTest GenericDINodeTest; 887 888 TEST_F(GenericDINodeTest, get) { 889 StringRef Header = "header"; 890 auto *Empty = MDNode::get(Context, None); 891 Metadata *Ops1[] = {Empty}; 892 auto *N = GenericDINode::get(Context, 15, Header, Ops1); 893 EXPECT_EQ(15u, N->getTag()); 894 EXPECT_EQ(2u, N->getNumOperands()); 895 EXPECT_EQ(Header, N->getHeader()); 896 EXPECT_EQ(MDString::get(Context, Header), N->getOperand(0)); 897 EXPECT_EQ(1u, N->getNumDwarfOperands()); 898 EXPECT_EQ(Empty, N->getDwarfOperand(0)); 899 EXPECT_EQ(Empty, N->getOperand(1)); 900 ASSERT_TRUE(N->isUniqued()); 901 902 EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops1)); 903 904 N->replaceOperandWith(1, nullptr); 905 EXPECT_EQ(15u, N->getTag()); 906 EXPECT_EQ(Header, N->getHeader()); 907 EXPECT_EQ(nullptr, N->getDwarfOperand(0)); 908 ASSERT_TRUE(N->isUniqued()); 909 910 Metadata *Ops2[] = {nullptr}; 911 EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops2)); 912 913 N->replaceDwarfOperandWith(0, Empty); 914 EXPECT_EQ(15u, N->getTag()); 915 EXPECT_EQ(Header, N->getHeader()); 916 EXPECT_EQ(Empty, N->getDwarfOperand(0)); 917 ASSERT_TRUE(N->isUniqued()); 918 EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops1)); 919 920 TempGenericDINode Temp = N->clone(); 921 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 922 } 923 924 TEST_F(GenericDINodeTest, getEmptyHeader) { 925 // Canonicalize !"" to null. 926 auto *N = GenericDINode::get(Context, 15, StringRef(), None); 927 EXPECT_EQ(StringRef(), N->getHeader()); 928 EXPECT_EQ(nullptr, N->getOperand(0)); 929 } 930 931 typedef MetadataTest DISubrangeTest; 932 933 TEST_F(DISubrangeTest, get) { 934 auto *N = DISubrange::get(Context, 5, 7); 935 EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag()); 936 EXPECT_EQ(5, N->getCount()); 937 EXPECT_EQ(7, N->getLowerBound()); 938 EXPECT_EQ(N, DISubrange::get(Context, 5, 7)); 939 EXPECT_EQ(DISubrange::get(Context, 5, 0), DISubrange::get(Context, 5)); 940 941 TempDISubrange Temp = N->clone(); 942 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 943 } 944 945 TEST_F(DISubrangeTest, getEmptyArray) { 946 auto *N = DISubrange::get(Context, -1, 0); 947 EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag()); 948 EXPECT_EQ(-1, N->getCount()); 949 EXPECT_EQ(0, N->getLowerBound()); 950 EXPECT_EQ(N, DISubrange::get(Context, -1, 0)); 951 } 952 953 typedef MetadataTest DIEnumeratorTest; 954 955 TEST_F(DIEnumeratorTest, get) { 956 auto *N = DIEnumerator::get(Context, 7, "name"); 957 EXPECT_EQ(dwarf::DW_TAG_enumerator, N->getTag()); 958 EXPECT_EQ(7, N->getValue()); 959 EXPECT_EQ("name", N->getName()); 960 EXPECT_EQ(N, DIEnumerator::get(Context, 7, "name")); 961 962 EXPECT_NE(N, DIEnumerator::get(Context, 8, "name")); 963 EXPECT_NE(N, DIEnumerator::get(Context, 7, "nam")); 964 965 TempDIEnumerator Temp = N->clone(); 966 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 967 } 968 969 typedef MetadataTest DIBasicTypeTest; 970 971 TEST_F(DIBasicTypeTest, get) { 972 auto *N = 973 DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 26, 7); 974 EXPECT_EQ(dwarf::DW_TAG_base_type, N->getTag()); 975 EXPECT_EQ("special", N->getName()); 976 EXPECT_EQ(33u, N->getSizeInBits()); 977 EXPECT_EQ(26u, N->getAlignInBits()); 978 EXPECT_EQ(7u, N->getEncoding()); 979 EXPECT_EQ(0u, N->getLine()); 980 EXPECT_EQ(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 981 26, 7)); 982 983 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type, 984 "special", 33, 26, 7)); 985 EXPECT_NE(N, 986 DIBasicType::get(Context, dwarf::DW_TAG_base_type, "s", 33, 26, 7)); 987 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 32, 988 26, 7)); 989 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 990 25, 7)); 991 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 992 26, 6)); 993 994 TempDIBasicType Temp = N->clone(); 995 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 996 } 997 998 TEST_F(DIBasicTypeTest, getWithLargeValues) { 999 auto *N = DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 1000 UINT64_MAX, UINT32_MAX - 1, 7); 1001 EXPECT_EQ(UINT64_MAX, N->getSizeInBits()); 1002 EXPECT_EQ(UINT32_MAX - 1, N->getAlignInBits()); 1003 } 1004 1005 TEST_F(DIBasicTypeTest, getUnspecified) { 1006 auto *N = 1007 DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type, "unspecified"); 1008 EXPECT_EQ(dwarf::DW_TAG_unspecified_type, N->getTag()); 1009 EXPECT_EQ("unspecified", N->getName()); 1010 EXPECT_EQ(0u, N->getSizeInBits()); 1011 EXPECT_EQ(0u, N->getAlignInBits()); 1012 EXPECT_EQ(0u, N->getEncoding()); 1013 EXPECT_EQ(0u, N->getLine()); 1014 } 1015 1016 typedef MetadataTest DITypeTest; 1017 1018 TEST_F(DITypeTest, clone) { 1019 // Check that DIType has a specialized clone that returns TempDIType. 1020 DIType *N = DIBasicType::get(Context, dwarf::DW_TAG_base_type, "int", 32, 32, 1021 dwarf::DW_ATE_signed); 1022 1023 TempDIType Temp = N->clone(); 1024 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1025 } 1026 1027 TEST_F(DITypeTest, setFlags) { 1028 // void (void) 1029 Metadata *TypesOps[] = {nullptr}; 1030 Metadata *Types = MDTuple::get(Context, TypesOps); 1031 1032 DIType *D = 1033 DISubroutineType::getDistinct(Context, DINode::FlagZero, 0, Types); 1034 EXPECT_EQ(DINode::FlagZero, D->getFlags()); 1035 D->setFlags(DINode::FlagRValueReference); 1036 EXPECT_EQ(DINode::FlagRValueReference, D->getFlags()); 1037 D->setFlags(DINode::FlagZero); 1038 EXPECT_EQ(DINode::FlagZero, D->getFlags()); 1039 1040 TempDIType T = 1041 DISubroutineType::getTemporary(Context, DINode::FlagZero, 0, Types); 1042 EXPECT_EQ(DINode::FlagZero, T->getFlags()); 1043 T->setFlags(DINode::FlagRValueReference); 1044 EXPECT_EQ(DINode::FlagRValueReference, T->getFlags()); 1045 T->setFlags(DINode::FlagZero); 1046 EXPECT_EQ(DINode::FlagZero, T->getFlags()); 1047 } 1048 1049 typedef MetadataTest DIDerivedTypeTest; 1050 1051 TEST_F(DIDerivedTypeTest, get) { 1052 DIFile *File = getFile(); 1053 DIScope *Scope = getSubprogram(); 1054 DIType *BaseType = getBasicType("basic"); 1055 MDTuple *ExtraData = getTuple(); 1056 unsigned DWARFAddressSpace = 8; 1057 DINode::DIFlags Flags5 = static_cast<DINode::DIFlags>(5); 1058 DINode::DIFlags Flags4 = static_cast<DINode::DIFlags>(4); 1059 1060 auto *N = 1061 DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "something", File, 1062 1, Scope, BaseType, 2, 3, 4, DWARFAddressSpace, Flags5, 1063 ExtraData); 1064 EXPECT_EQ(dwarf::DW_TAG_pointer_type, N->getTag()); 1065 EXPECT_EQ("something", N->getName()); 1066 EXPECT_EQ(File, N->getFile()); 1067 EXPECT_EQ(1u, N->getLine()); 1068 EXPECT_EQ(Scope, N->getScope()); 1069 EXPECT_EQ(BaseType, N->getBaseType()); 1070 EXPECT_EQ(2u, N->getSizeInBits()); 1071 EXPECT_EQ(3u, N->getAlignInBits()); 1072 EXPECT_EQ(4u, N->getOffsetInBits()); 1073 EXPECT_EQ(DWARFAddressSpace, N->getDWARFAddressSpace().getValue()); 1074 EXPECT_EQ(5u, N->getFlags()); 1075 EXPECT_EQ(ExtraData, N->getExtraData()); 1076 EXPECT_EQ(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1077 "something", File, 1, Scope, BaseType, 2, 3, 1078 4, DWARFAddressSpace, Flags5, ExtraData)); 1079 1080 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_reference_type, 1081 "something", File, 1, Scope, BaseType, 2, 3, 1082 4, DWARFAddressSpace, Flags5, ExtraData)); 1083 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "else", 1084 File, 1, Scope, BaseType, 2, 3, 1085 4, DWARFAddressSpace, Flags5, ExtraData)); 1086 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1087 "something", getFile(), 1, Scope, BaseType, 2, 1088 3, 4, DWARFAddressSpace, Flags5, ExtraData)); 1089 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1090 "something", File, 2, Scope, BaseType, 2, 3, 1091 4, DWARFAddressSpace, Flags5, ExtraData)); 1092 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1093 "something", File, 1, getSubprogram(), 1094 BaseType, 2, 3, 4, DWARFAddressSpace, Flags5, 1095 ExtraData)); 1096 EXPECT_NE(N, DIDerivedType::get( 1097 Context, dwarf::DW_TAG_pointer_type, "something", File, 1, 1098 Scope, getBasicType("basic2"), 2, 3, 4, DWARFAddressSpace, 1099 Flags5, ExtraData)); 1100 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1101 "something", File, 1, Scope, BaseType, 3, 3, 1102 4, DWARFAddressSpace, Flags5, ExtraData)); 1103 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1104 "something", File, 1, Scope, BaseType, 2, 2, 1105 4, DWARFAddressSpace, Flags5, ExtraData)); 1106 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1107 "something", File, 1, Scope, BaseType, 2, 3, 1108 5, DWARFAddressSpace, Flags5, ExtraData)); 1109 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1110 "something", File, 1, Scope, BaseType, 2, 3, 1111 4, DWARFAddressSpace + 1, Flags5, ExtraData)); 1112 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1113 "something", File, 1, Scope, BaseType, 2, 3, 1114 4, DWARFAddressSpace, Flags4, ExtraData)); 1115 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1116 "something", File, 1, Scope, BaseType, 2, 3, 1117 4, DWARFAddressSpace, Flags5, getTuple())); 1118 1119 TempDIDerivedType Temp = N->clone(); 1120 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1121 } 1122 1123 TEST_F(DIDerivedTypeTest, getWithLargeValues) { 1124 DIFile *File = getFile(); 1125 DIScope *Scope = getSubprogram(); 1126 DIType *BaseType = getBasicType("basic"); 1127 MDTuple *ExtraData = getTuple(); 1128 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1129 1130 auto *N = DIDerivedType::get( 1131 Context, dwarf::DW_TAG_pointer_type, "something", File, 1, Scope, 1132 BaseType, UINT64_MAX, UINT32_MAX - 1, UINT64_MAX - 2, UINT32_MAX - 3, 1133 Flags, ExtraData); 1134 EXPECT_EQ(UINT64_MAX, N->getSizeInBits()); 1135 EXPECT_EQ(UINT32_MAX - 1, N->getAlignInBits()); 1136 EXPECT_EQ(UINT64_MAX - 2, N->getOffsetInBits()); 1137 EXPECT_EQ(UINT32_MAX - 3, N->getDWARFAddressSpace().getValue()); 1138 } 1139 1140 typedef MetadataTest DICompositeTypeTest; 1141 1142 TEST_F(DICompositeTypeTest, get) { 1143 unsigned Tag = dwarf::DW_TAG_structure_type; 1144 StringRef Name = "some name"; 1145 DIFile *File = getFile(); 1146 unsigned Line = 1; 1147 DIScope *Scope = getSubprogram(); 1148 DIType *BaseType = getCompositeType(); 1149 uint64_t SizeInBits = 2; 1150 uint32_t AlignInBits = 3; 1151 uint64_t OffsetInBits = 4; 1152 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1153 MDTuple *Elements = getTuple(); 1154 unsigned RuntimeLang = 6; 1155 DIType *VTableHolder = getCompositeType(); 1156 MDTuple *TemplateParams = getTuple(); 1157 StringRef Identifier = "some id"; 1158 1159 auto *N = DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1160 BaseType, SizeInBits, AlignInBits, 1161 OffsetInBits, Flags, Elements, RuntimeLang, 1162 VTableHolder, TemplateParams, Identifier); 1163 EXPECT_EQ(Tag, N->getTag()); 1164 EXPECT_EQ(Name, N->getName()); 1165 EXPECT_EQ(File, N->getFile()); 1166 EXPECT_EQ(Line, N->getLine()); 1167 EXPECT_EQ(Scope, N->getScope()); 1168 EXPECT_EQ(BaseType, N->getBaseType()); 1169 EXPECT_EQ(SizeInBits, N->getSizeInBits()); 1170 EXPECT_EQ(AlignInBits, N->getAlignInBits()); 1171 EXPECT_EQ(OffsetInBits, N->getOffsetInBits()); 1172 EXPECT_EQ(Flags, N->getFlags()); 1173 EXPECT_EQ(Elements, N->getElements().get()); 1174 EXPECT_EQ(RuntimeLang, N->getRuntimeLang()); 1175 EXPECT_EQ(VTableHolder, N->getVTableHolder()); 1176 EXPECT_EQ(TemplateParams, N->getTemplateParams().get()); 1177 EXPECT_EQ(Identifier, N->getIdentifier()); 1178 1179 EXPECT_EQ(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1180 BaseType, SizeInBits, AlignInBits, 1181 OffsetInBits, Flags, Elements, RuntimeLang, 1182 VTableHolder, TemplateParams, Identifier)); 1183 1184 EXPECT_NE(N, DICompositeType::get(Context, Tag + 1, Name, File, Line, Scope, 1185 BaseType, SizeInBits, AlignInBits, 1186 OffsetInBits, Flags, Elements, RuntimeLang, 1187 VTableHolder, TemplateParams, Identifier)); 1188 EXPECT_NE(N, DICompositeType::get(Context, Tag, "abc", File, Line, Scope, 1189 BaseType, SizeInBits, AlignInBits, 1190 OffsetInBits, Flags, Elements, RuntimeLang, 1191 VTableHolder, TemplateParams, Identifier)); 1192 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, getFile(), Line, Scope, 1193 BaseType, SizeInBits, AlignInBits, 1194 OffsetInBits, Flags, Elements, RuntimeLang, 1195 VTableHolder, TemplateParams, Identifier)); 1196 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line + 1, Scope, 1197 BaseType, SizeInBits, AlignInBits, 1198 OffsetInBits, Flags, Elements, RuntimeLang, 1199 VTableHolder, TemplateParams, Identifier)); 1200 EXPECT_NE(N, DICompositeType::get( 1201 Context, Tag, Name, File, Line, getSubprogram(), BaseType, 1202 SizeInBits, AlignInBits, OffsetInBits, Flags, Elements, 1203 RuntimeLang, VTableHolder, TemplateParams, Identifier)); 1204 EXPECT_NE(N, DICompositeType::get( 1205 Context, Tag, Name, File, Line, Scope, getBasicType("other"), 1206 SizeInBits, AlignInBits, OffsetInBits, Flags, Elements, 1207 RuntimeLang, VTableHolder, TemplateParams, Identifier)); 1208 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1209 BaseType, SizeInBits + 1, AlignInBits, 1210 OffsetInBits, Flags, Elements, RuntimeLang, 1211 VTableHolder, TemplateParams, Identifier)); 1212 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1213 BaseType, SizeInBits, AlignInBits + 1, 1214 OffsetInBits, Flags, Elements, RuntimeLang, 1215 VTableHolder, TemplateParams, Identifier)); 1216 EXPECT_NE(N, DICompositeType::get( 1217 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1218 AlignInBits, OffsetInBits + 1, Flags, Elements, RuntimeLang, 1219 VTableHolder, TemplateParams, Identifier)); 1220 DINode::DIFlags FlagsPOne = static_cast<DINode::DIFlags>(Flags + 1); 1221 EXPECT_NE(N, DICompositeType::get( 1222 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1223 AlignInBits, OffsetInBits, FlagsPOne, Elements, RuntimeLang, 1224 VTableHolder, TemplateParams, Identifier)); 1225 EXPECT_NE(N, DICompositeType::get( 1226 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1227 AlignInBits, OffsetInBits, Flags, getTuple(), RuntimeLang, 1228 VTableHolder, TemplateParams, Identifier)); 1229 EXPECT_NE(N, DICompositeType::get( 1230 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1231 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang + 1, 1232 VTableHolder, TemplateParams, Identifier)); 1233 EXPECT_NE(N, DICompositeType::get( 1234 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1235 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang, 1236 getCompositeType(), TemplateParams, Identifier)); 1237 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1238 BaseType, SizeInBits, AlignInBits, 1239 OffsetInBits, Flags, Elements, RuntimeLang, 1240 VTableHolder, getTuple(), Identifier)); 1241 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1242 BaseType, SizeInBits, AlignInBits, 1243 OffsetInBits, Flags, Elements, RuntimeLang, 1244 VTableHolder, TemplateParams, "other")); 1245 1246 // Be sure that missing identifiers get null pointers. 1247 EXPECT_FALSE(DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1248 BaseType, SizeInBits, AlignInBits, 1249 OffsetInBits, Flags, Elements, RuntimeLang, 1250 VTableHolder, TemplateParams, "") 1251 ->getRawIdentifier()); 1252 EXPECT_FALSE(DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1253 BaseType, SizeInBits, AlignInBits, 1254 OffsetInBits, Flags, Elements, RuntimeLang, 1255 VTableHolder, TemplateParams) 1256 ->getRawIdentifier()); 1257 1258 TempDICompositeType Temp = N->clone(); 1259 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1260 } 1261 1262 TEST_F(DICompositeTypeTest, getWithLargeValues) { 1263 unsigned Tag = dwarf::DW_TAG_structure_type; 1264 StringRef Name = "some name"; 1265 DIFile *File = getFile(); 1266 unsigned Line = 1; 1267 DIScope *Scope = getSubprogram(); 1268 DIType *BaseType = getCompositeType(); 1269 uint64_t SizeInBits = UINT64_MAX; 1270 uint32_t AlignInBits = UINT32_MAX - 1; 1271 uint64_t OffsetInBits = UINT64_MAX - 2; 1272 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1273 MDTuple *Elements = getTuple(); 1274 unsigned RuntimeLang = 6; 1275 DIType *VTableHolder = getCompositeType(); 1276 MDTuple *TemplateParams = getTuple(); 1277 StringRef Identifier = "some id"; 1278 1279 auto *N = DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1280 BaseType, SizeInBits, AlignInBits, 1281 OffsetInBits, Flags, Elements, RuntimeLang, 1282 VTableHolder, TemplateParams, Identifier); 1283 EXPECT_EQ(SizeInBits, N->getSizeInBits()); 1284 EXPECT_EQ(AlignInBits, N->getAlignInBits()); 1285 EXPECT_EQ(OffsetInBits, N->getOffsetInBits()); 1286 } 1287 1288 TEST_F(DICompositeTypeTest, replaceOperands) { 1289 unsigned Tag = dwarf::DW_TAG_structure_type; 1290 StringRef Name = "some name"; 1291 DIFile *File = getFile(); 1292 unsigned Line = 1; 1293 DIScope *Scope = getSubprogram(); 1294 DIType *BaseType = getCompositeType(); 1295 uint64_t SizeInBits = 2; 1296 uint32_t AlignInBits = 3; 1297 uint64_t OffsetInBits = 4; 1298 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1299 unsigned RuntimeLang = 6; 1300 StringRef Identifier = "some id"; 1301 1302 auto *N = DICompositeType::get( 1303 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 1304 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier); 1305 1306 auto *Elements = MDTuple::getDistinct(Context, None); 1307 EXPECT_EQ(nullptr, N->getElements().get()); 1308 N->replaceElements(Elements); 1309 EXPECT_EQ(Elements, N->getElements().get()); 1310 N->replaceElements(nullptr); 1311 EXPECT_EQ(nullptr, N->getElements().get()); 1312 1313 DIType *VTableHolder = getCompositeType(); 1314 EXPECT_EQ(nullptr, N->getVTableHolder()); 1315 N->replaceVTableHolder(VTableHolder); 1316 EXPECT_EQ(VTableHolder, N->getVTableHolder()); 1317 N->replaceVTableHolder(nullptr); 1318 EXPECT_EQ(nullptr, N->getVTableHolder()); 1319 1320 auto *TemplateParams = MDTuple::getDistinct(Context, None); 1321 EXPECT_EQ(nullptr, N->getTemplateParams().get()); 1322 N->replaceTemplateParams(TemplateParams); 1323 EXPECT_EQ(TemplateParams, N->getTemplateParams().get()); 1324 N->replaceTemplateParams(nullptr); 1325 EXPECT_EQ(nullptr, N->getTemplateParams().get()); 1326 } 1327 1328 typedef MetadataTest DISubroutineTypeTest; 1329 1330 TEST_F(DISubroutineTypeTest, get) { 1331 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(1); 1332 DINode::DIFlags FlagsPOne = static_cast<DINode::DIFlags>(Flags + 1); 1333 MDTuple *TypeArray = getTuple(); 1334 1335 auto *N = DISubroutineType::get(Context, Flags, 0, TypeArray); 1336 EXPECT_EQ(dwarf::DW_TAG_subroutine_type, N->getTag()); 1337 EXPECT_EQ(Flags, N->getFlags()); 1338 EXPECT_EQ(TypeArray, N->getTypeArray().get()); 1339 EXPECT_EQ(N, DISubroutineType::get(Context, Flags, 0, TypeArray)); 1340 1341 EXPECT_NE(N, DISubroutineType::get(Context, FlagsPOne, 0, TypeArray)); 1342 EXPECT_NE(N, DISubroutineType::get(Context, Flags, 0, getTuple())); 1343 1344 // Test the hashing of calling conventions. 1345 auto *Fast = DISubroutineType::get( 1346 Context, Flags, dwarf::DW_CC_BORLAND_msfastcall, TypeArray); 1347 auto *Std = DISubroutineType::get(Context, Flags, 1348 dwarf::DW_CC_BORLAND_stdcall, TypeArray); 1349 EXPECT_EQ(Fast, 1350 DISubroutineType::get(Context, Flags, 1351 dwarf::DW_CC_BORLAND_msfastcall, TypeArray)); 1352 EXPECT_EQ(Std, DISubroutineType::get( 1353 Context, Flags, dwarf::DW_CC_BORLAND_stdcall, TypeArray)); 1354 1355 EXPECT_NE(N, Fast); 1356 EXPECT_NE(N, Std); 1357 EXPECT_NE(Fast, Std); 1358 1359 TempDISubroutineType Temp = N->clone(); 1360 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1361 1362 // Test always-empty operands. 1363 EXPECT_EQ(nullptr, N->getScope()); 1364 EXPECT_EQ(nullptr, N->getFile()); 1365 EXPECT_EQ("", N->getName()); 1366 } 1367 1368 typedef MetadataTest DIFileTest; 1369 1370 TEST_F(DIFileTest, get) { 1371 StringRef Filename = "file"; 1372 StringRef Directory = "dir"; 1373 DIFile::ChecksumKind CSKind = DIFile::CSK_MD5; 1374 StringRef Checksum = "000102030405060708090a0b0c0d0e0f"; 1375 auto *N = DIFile::get(Context, Filename, Directory, CSKind, Checksum); 1376 1377 EXPECT_EQ(dwarf::DW_TAG_file_type, N->getTag()); 1378 EXPECT_EQ(Filename, N->getFilename()); 1379 EXPECT_EQ(Directory, N->getDirectory()); 1380 EXPECT_EQ(CSKind, N->getChecksumKind()); 1381 EXPECT_EQ(Checksum, N->getChecksum()); 1382 EXPECT_EQ(N, DIFile::get(Context, Filename, Directory, CSKind, Checksum)); 1383 1384 EXPECT_NE(N, DIFile::get(Context, "other", Directory, CSKind, Checksum)); 1385 EXPECT_NE(N, DIFile::get(Context, Filename, "other", CSKind, Checksum)); 1386 EXPECT_NE(N, DIFile::get(Context, Filename, Directory, DIFile::CSK_SHA1, Checksum)); 1387 EXPECT_NE(N, DIFile::get(Context, Filename, Directory)); 1388 1389 TempDIFile Temp = N->clone(); 1390 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1391 } 1392 1393 TEST_F(DIFileTest, ScopeGetFile) { 1394 // Ensure that DIScope::getFile() returns itself. 1395 DIScope *N = DIFile::get(Context, "file", "dir"); 1396 EXPECT_EQ(N, N->getFile()); 1397 } 1398 1399 typedef MetadataTest DICompileUnitTest; 1400 1401 TEST_F(DICompileUnitTest, get) { 1402 unsigned SourceLanguage = 1; 1403 DIFile *File = getFile(); 1404 StringRef Producer = "some producer"; 1405 bool IsOptimized = false; 1406 StringRef Flags = "flag after flag"; 1407 unsigned RuntimeVersion = 2; 1408 StringRef SplitDebugFilename = "another/file"; 1409 auto EmissionKind = DICompileUnit::FullDebug; 1410 MDTuple *EnumTypes = getTuple(); 1411 MDTuple *RetainedTypes = getTuple(); 1412 MDTuple *GlobalVariables = getTuple(); 1413 MDTuple *ImportedEntities = getTuple(); 1414 uint64_t DWOId = 0x10000000c0ffee; 1415 MDTuple *Macros = getTuple(); 1416 auto *N = DICompileUnit::getDistinct( 1417 Context, SourceLanguage, File, Producer, IsOptimized, Flags, 1418 RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes, 1419 RetainedTypes, GlobalVariables, ImportedEntities, Macros, DWOId, true, 1420 false); 1421 1422 EXPECT_EQ(dwarf::DW_TAG_compile_unit, N->getTag()); 1423 EXPECT_EQ(SourceLanguage, N->getSourceLanguage()); 1424 EXPECT_EQ(File, N->getFile()); 1425 EXPECT_EQ(Producer, N->getProducer()); 1426 EXPECT_EQ(IsOptimized, N->isOptimized()); 1427 EXPECT_EQ(Flags, N->getFlags()); 1428 EXPECT_EQ(RuntimeVersion, N->getRuntimeVersion()); 1429 EXPECT_EQ(SplitDebugFilename, N->getSplitDebugFilename()); 1430 EXPECT_EQ(EmissionKind, N->getEmissionKind()); 1431 EXPECT_EQ(EnumTypes, N->getEnumTypes().get()); 1432 EXPECT_EQ(RetainedTypes, N->getRetainedTypes().get()); 1433 EXPECT_EQ(GlobalVariables, N->getGlobalVariables().get()); 1434 EXPECT_EQ(ImportedEntities, N->getImportedEntities().get()); 1435 EXPECT_EQ(Macros, N->getMacros().get()); 1436 EXPECT_EQ(DWOId, N->getDWOId()); 1437 1438 TempDICompileUnit Temp = N->clone(); 1439 EXPECT_EQ(dwarf::DW_TAG_compile_unit, Temp->getTag()); 1440 EXPECT_EQ(SourceLanguage, Temp->getSourceLanguage()); 1441 EXPECT_EQ(File, Temp->getFile()); 1442 EXPECT_EQ(Producer, Temp->getProducer()); 1443 EXPECT_EQ(IsOptimized, Temp->isOptimized()); 1444 EXPECT_EQ(Flags, Temp->getFlags()); 1445 EXPECT_EQ(RuntimeVersion, Temp->getRuntimeVersion()); 1446 EXPECT_EQ(SplitDebugFilename, Temp->getSplitDebugFilename()); 1447 EXPECT_EQ(EmissionKind, Temp->getEmissionKind()); 1448 EXPECT_EQ(EnumTypes, Temp->getEnumTypes().get()); 1449 EXPECT_EQ(RetainedTypes, Temp->getRetainedTypes().get()); 1450 EXPECT_EQ(GlobalVariables, Temp->getGlobalVariables().get()); 1451 EXPECT_EQ(ImportedEntities, Temp->getImportedEntities().get()); 1452 EXPECT_EQ(Macros, Temp->getMacros().get()); 1453 EXPECT_EQ(DWOId, Temp->getDWOId()); 1454 1455 auto *TempAddress = Temp.get(); 1456 auto *Clone = MDNode::replaceWithPermanent(std::move(Temp)); 1457 EXPECT_TRUE(Clone->isDistinct()); 1458 EXPECT_EQ(TempAddress, Clone); 1459 } 1460 1461 TEST_F(DICompileUnitTest, replaceArrays) { 1462 unsigned SourceLanguage = 1; 1463 DIFile *File = getFile(); 1464 StringRef Producer = "some producer"; 1465 bool IsOptimized = false; 1466 StringRef Flags = "flag after flag"; 1467 unsigned RuntimeVersion = 2; 1468 StringRef SplitDebugFilename = "another/file"; 1469 auto EmissionKind = DICompileUnit::FullDebug; 1470 MDTuple *EnumTypes = MDTuple::getDistinct(Context, None); 1471 MDTuple *RetainedTypes = MDTuple::getDistinct(Context, None); 1472 MDTuple *ImportedEntities = MDTuple::getDistinct(Context, None); 1473 uint64_t DWOId = 0xc0ffee; 1474 auto *N = DICompileUnit::getDistinct( 1475 Context, SourceLanguage, File, Producer, IsOptimized, Flags, 1476 RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes, 1477 RetainedTypes, nullptr, ImportedEntities, nullptr, DWOId, true, false); 1478 1479 auto *GlobalVariables = MDTuple::getDistinct(Context, None); 1480 EXPECT_EQ(nullptr, N->getGlobalVariables().get()); 1481 N->replaceGlobalVariables(GlobalVariables); 1482 EXPECT_EQ(GlobalVariables, N->getGlobalVariables().get()); 1483 N->replaceGlobalVariables(nullptr); 1484 EXPECT_EQ(nullptr, N->getGlobalVariables().get()); 1485 1486 auto *Macros = MDTuple::getDistinct(Context, None); 1487 EXPECT_EQ(nullptr, N->getMacros().get()); 1488 N->replaceMacros(Macros); 1489 EXPECT_EQ(Macros, N->getMacros().get()); 1490 N->replaceMacros(nullptr); 1491 EXPECT_EQ(nullptr, N->getMacros().get()); 1492 } 1493 1494 typedef MetadataTest DISubprogramTest; 1495 1496 TEST_F(DISubprogramTest, get) { 1497 DIScope *Scope = getCompositeType(); 1498 StringRef Name = "name"; 1499 StringRef LinkageName = "linkage"; 1500 DIFile *File = getFile(); 1501 unsigned Line = 2; 1502 DISubroutineType *Type = getSubroutineType(); 1503 bool IsLocalToUnit = false; 1504 bool IsDefinition = true; 1505 unsigned ScopeLine = 3; 1506 DIType *ContainingType = getCompositeType(); 1507 unsigned Virtuality = 2; 1508 unsigned VirtualIndex = 5; 1509 int ThisAdjustment = -3; 1510 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(6); 1511 bool IsOptimized = false; 1512 MDTuple *TemplateParams = getTuple(); 1513 DISubprogram *Declaration = getSubprogram(); 1514 MDTuple *Variables = getTuple(); 1515 DICompileUnit *Unit = getUnit(); 1516 1517 auto *N = DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1518 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1519 ContainingType, Virtuality, VirtualIndex, 1520 ThisAdjustment, Flags, IsOptimized, Unit, 1521 TemplateParams, Declaration, Variables); 1522 1523 EXPECT_EQ(dwarf::DW_TAG_subprogram, N->getTag()); 1524 EXPECT_EQ(Scope, N->getScope()); 1525 EXPECT_EQ(Name, N->getName()); 1526 EXPECT_EQ(LinkageName, N->getLinkageName()); 1527 EXPECT_EQ(File, N->getFile()); 1528 EXPECT_EQ(Line, N->getLine()); 1529 EXPECT_EQ(Type, N->getType()); 1530 EXPECT_EQ(IsLocalToUnit, N->isLocalToUnit()); 1531 EXPECT_EQ(IsDefinition, N->isDefinition()); 1532 EXPECT_EQ(ScopeLine, N->getScopeLine()); 1533 EXPECT_EQ(ContainingType, N->getContainingType()); 1534 EXPECT_EQ(Virtuality, N->getVirtuality()); 1535 EXPECT_EQ(VirtualIndex, N->getVirtualIndex()); 1536 EXPECT_EQ(ThisAdjustment, N->getThisAdjustment()); 1537 EXPECT_EQ(Flags, N->getFlags()); 1538 EXPECT_EQ(IsOptimized, N->isOptimized()); 1539 EXPECT_EQ(Unit, N->getUnit()); 1540 EXPECT_EQ(TemplateParams, N->getTemplateParams().get()); 1541 EXPECT_EQ(Declaration, N->getDeclaration()); 1542 EXPECT_EQ(Variables, N->getVariables().get()); 1543 EXPECT_EQ(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1544 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1545 ContainingType, Virtuality, VirtualIndex, 1546 ThisAdjustment, Flags, IsOptimized, Unit, 1547 TemplateParams, Declaration, Variables)); 1548 1549 EXPECT_NE(N, DISubprogram::get( 1550 Context, getCompositeType(), Name, LinkageName, File, Line, 1551 Type, IsLocalToUnit, IsDefinition, ScopeLine, ContainingType, 1552 Virtuality, VirtualIndex, ThisAdjustment, Flags, IsOptimized, 1553 Unit, TemplateParams, Declaration, Variables)); 1554 EXPECT_NE(N, DISubprogram::get( 1555 Context, Scope, "other", LinkageName, File, Line, Type, 1556 IsLocalToUnit, IsDefinition, ScopeLine, ContainingType, 1557 Virtuality, VirtualIndex, ThisAdjustment, Flags, IsOptimized, 1558 Unit, TemplateParams, Declaration, Variables)); 1559 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, "other", File, Line, 1560 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1561 ContainingType, Virtuality, VirtualIndex, 1562 ThisAdjustment, Flags, IsOptimized, Unit, 1563 TemplateParams, Declaration, Variables)); 1564 EXPECT_NE(N, DISubprogram::get( 1565 Context, Scope, Name, LinkageName, getFile(), Line, Type, 1566 IsLocalToUnit, IsDefinition, ScopeLine, ContainingType, 1567 Virtuality, VirtualIndex, ThisAdjustment, Flags, IsOptimized, 1568 Unit, TemplateParams, Declaration, Variables)); 1569 EXPECT_NE(N, DISubprogram::get( 1570 Context, Scope, Name, LinkageName, File, Line + 1, Type, 1571 IsLocalToUnit, IsDefinition, ScopeLine, ContainingType, 1572 Virtuality, VirtualIndex, ThisAdjustment, Flags, IsOptimized, 1573 Unit, TemplateParams, Declaration, Variables)); 1574 EXPECT_NE(N, 1575 DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1576 getSubroutineType(), IsLocalToUnit, IsDefinition, 1577 ScopeLine, ContainingType, Virtuality, 1578 VirtualIndex, ThisAdjustment, Flags, IsOptimized, 1579 Unit, TemplateParams, Declaration, Variables)); 1580 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1581 Type, !IsLocalToUnit, IsDefinition, ScopeLine, 1582 ContainingType, Virtuality, VirtualIndex, 1583 ThisAdjustment, Flags, IsOptimized, Unit, 1584 TemplateParams, Declaration, Variables)); 1585 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1586 Type, IsLocalToUnit, !IsDefinition, ScopeLine, 1587 ContainingType, Virtuality, VirtualIndex, 1588 ThisAdjustment, Flags, IsOptimized, Unit, 1589 TemplateParams, Declaration, Variables)); 1590 EXPECT_NE(N, DISubprogram::get( 1591 Context, Scope, Name, LinkageName, File, Line, Type, 1592 IsLocalToUnit, IsDefinition, ScopeLine + 1, ContainingType, 1593 Virtuality, VirtualIndex, ThisAdjustment, Flags, IsOptimized, 1594 Unit, TemplateParams, Declaration, Variables)); 1595 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1596 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1597 getCompositeType(), Virtuality, VirtualIndex, 1598 ThisAdjustment, Flags, IsOptimized, Unit, 1599 TemplateParams, Declaration, Variables)); 1600 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1601 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1602 ContainingType, Virtuality + 1, VirtualIndex, 1603 ThisAdjustment, Flags, IsOptimized, Unit, 1604 TemplateParams, Declaration, Variables)); 1605 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1606 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1607 ContainingType, Virtuality, VirtualIndex + 1, 1608 ThisAdjustment, Flags, IsOptimized, Unit, 1609 TemplateParams, Declaration, Variables)); 1610 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1611 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1612 ContainingType, Virtuality, VirtualIndex, 1613 ThisAdjustment, Flags, !IsOptimized, Unit, 1614 TemplateParams, Declaration, Variables)); 1615 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1616 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1617 ContainingType, Virtuality, VirtualIndex, 1618 ThisAdjustment, Flags, IsOptimized, nullptr, 1619 TemplateParams, Declaration, Variables)); 1620 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1621 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1622 ContainingType, Virtuality, VirtualIndex, 1623 ThisAdjustment, Flags, IsOptimized, Unit, 1624 getTuple(), Declaration, Variables)); 1625 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1626 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1627 ContainingType, Virtuality, VirtualIndex, 1628 ThisAdjustment, Flags, IsOptimized, Unit, 1629 TemplateParams, getSubprogram(), Variables)); 1630 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 1631 Type, IsLocalToUnit, IsDefinition, ScopeLine, 1632 ContainingType, Virtuality, VirtualIndex, 1633 ThisAdjustment, Flags, IsOptimized, Unit, 1634 TemplateParams, Declaration, getTuple())); 1635 1636 TempDISubprogram Temp = N->clone(); 1637 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1638 } 1639 1640 typedef MetadataTest DILexicalBlockTest; 1641 1642 TEST_F(DILexicalBlockTest, get) { 1643 DILocalScope *Scope = getSubprogram(); 1644 DIFile *File = getFile(); 1645 unsigned Line = 5; 1646 unsigned Column = 8; 1647 1648 auto *N = DILexicalBlock::get(Context, Scope, File, Line, Column); 1649 1650 EXPECT_EQ(dwarf::DW_TAG_lexical_block, N->getTag()); 1651 EXPECT_EQ(Scope, N->getScope()); 1652 EXPECT_EQ(File, N->getFile()); 1653 EXPECT_EQ(Line, N->getLine()); 1654 EXPECT_EQ(Column, N->getColumn()); 1655 EXPECT_EQ(N, DILexicalBlock::get(Context, Scope, File, Line, Column)); 1656 1657 EXPECT_NE(N, 1658 DILexicalBlock::get(Context, getSubprogram(), File, Line, Column)); 1659 EXPECT_NE(N, DILexicalBlock::get(Context, Scope, getFile(), Line, Column)); 1660 EXPECT_NE(N, DILexicalBlock::get(Context, Scope, File, Line + 1, Column)); 1661 EXPECT_NE(N, DILexicalBlock::get(Context, Scope, File, Line, Column + 1)); 1662 1663 TempDILexicalBlock Temp = N->clone(); 1664 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1665 } 1666 1667 TEST_F(DILexicalBlockTest, Overflow) { 1668 DISubprogram *SP = getSubprogram(); 1669 DIFile *F = getFile(); 1670 { 1671 auto *LB = DILexicalBlock::get(Context, SP, F, 2, 7); 1672 EXPECT_EQ(2u, LB->getLine()); 1673 EXPECT_EQ(7u, LB->getColumn()); 1674 } 1675 unsigned U16 = 1u << 16; 1676 { 1677 auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16 - 1); 1678 EXPECT_EQ(UINT32_MAX, LB->getLine()); 1679 EXPECT_EQ(U16 - 1, LB->getColumn()); 1680 } 1681 { 1682 auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16); 1683 EXPECT_EQ(UINT32_MAX, LB->getLine()); 1684 EXPECT_EQ(0u, LB->getColumn()); 1685 } 1686 { 1687 auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16 + 1); 1688 EXPECT_EQ(UINT32_MAX, LB->getLine()); 1689 EXPECT_EQ(0u, LB->getColumn()); 1690 } 1691 } 1692 1693 typedef MetadataTest DILexicalBlockFileTest; 1694 1695 TEST_F(DILexicalBlockFileTest, get) { 1696 DILocalScope *Scope = getSubprogram(); 1697 DIFile *File = getFile(); 1698 unsigned Discriminator = 5; 1699 1700 auto *N = DILexicalBlockFile::get(Context, Scope, File, Discriminator); 1701 1702 EXPECT_EQ(dwarf::DW_TAG_lexical_block, N->getTag()); 1703 EXPECT_EQ(Scope, N->getScope()); 1704 EXPECT_EQ(File, N->getFile()); 1705 EXPECT_EQ(Discriminator, N->getDiscriminator()); 1706 EXPECT_EQ(N, DILexicalBlockFile::get(Context, Scope, File, Discriminator)); 1707 1708 EXPECT_NE(N, DILexicalBlockFile::get(Context, getSubprogram(), File, 1709 Discriminator)); 1710 EXPECT_NE(N, 1711 DILexicalBlockFile::get(Context, Scope, getFile(), Discriminator)); 1712 EXPECT_NE(N, 1713 DILexicalBlockFile::get(Context, Scope, File, Discriminator + 1)); 1714 1715 TempDILexicalBlockFile Temp = N->clone(); 1716 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1717 } 1718 1719 typedef MetadataTest DINamespaceTest; 1720 1721 TEST_F(DINamespaceTest, get) { 1722 DIScope *Scope = getFile(); 1723 DIFile *File = getFile(); 1724 StringRef Name = "namespace"; 1725 unsigned Line = 5; 1726 bool ExportSymbols = true; 1727 1728 auto *N = DINamespace::get(Context, Scope, File, Name, Line, ExportSymbols); 1729 1730 EXPECT_EQ(dwarf::DW_TAG_namespace, N->getTag()); 1731 EXPECT_EQ(Scope, N->getScope()); 1732 EXPECT_EQ(File, N->getFile()); 1733 EXPECT_EQ(Name, N->getName()); 1734 EXPECT_EQ(Line, N->getLine()); 1735 EXPECT_EQ(N, 1736 DINamespace::get(Context, Scope, File, Name, Line, ExportSymbols)); 1737 1738 EXPECT_NE(N, 1739 DINamespace::get(Context, getFile(), File, Name, Line, ExportSymbols)); 1740 EXPECT_NE(N, 1741 DINamespace::get(Context, Scope, getFile(), Name, Line, ExportSymbols)); 1742 EXPECT_NE(N, 1743 DINamespace::get(Context, Scope, File, "other", Line, ExportSymbols)); 1744 EXPECT_NE(N, 1745 DINamespace::get(Context, Scope, File, Name, Line + 1, ExportSymbols)); 1746 EXPECT_NE(N, 1747 DINamespace::get(Context, Scope, File, Name, Line, !ExportSymbols)); 1748 1749 TempDINamespace Temp = N->clone(); 1750 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1751 } 1752 1753 typedef MetadataTest DIModuleTest; 1754 1755 TEST_F(DIModuleTest, get) { 1756 DIScope *Scope = getFile(); 1757 StringRef Name = "module"; 1758 StringRef ConfigMacro = "-DNDEBUG"; 1759 StringRef Includes = "-I."; 1760 StringRef Sysroot = "/"; 1761 1762 auto *N = DIModule::get(Context, Scope, Name, ConfigMacro, Includes, Sysroot); 1763 1764 EXPECT_EQ(dwarf::DW_TAG_module, N->getTag()); 1765 EXPECT_EQ(Scope, N->getScope()); 1766 EXPECT_EQ(Name, N->getName()); 1767 EXPECT_EQ(ConfigMacro, N->getConfigurationMacros()); 1768 EXPECT_EQ(Includes, N->getIncludePath()); 1769 EXPECT_EQ(Sysroot, N->getISysRoot()); 1770 EXPECT_EQ(N, DIModule::get(Context, Scope, Name, 1771 ConfigMacro, Includes, Sysroot)); 1772 EXPECT_NE(N, DIModule::get(Context, getFile(), Name, 1773 ConfigMacro, Includes, Sysroot)); 1774 EXPECT_NE(N, DIModule::get(Context, Scope, "other", 1775 ConfigMacro, Includes, Sysroot)); 1776 EXPECT_NE(N, DIModule::get(Context, Scope, Name, 1777 "other", Includes, Sysroot)); 1778 EXPECT_NE(N, DIModule::get(Context, Scope, Name, 1779 ConfigMacro, "other", Sysroot)); 1780 EXPECT_NE(N, DIModule::get(Context, Scope, Name, 1781 ConfigMacro, Includes, "other")); 1782 1783 TempDIModule Temp = N->clone(); 1784 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1785 } 1786 1787 typedef MetadataTest DITemplateTypeParameterTest; 1788 1789 TEST_F(DITemplateTypeParameterTest, get) { 1790 StringRef Name = "template"; 1791 DIType *Type = getBasicType("basic"); 1792 1793 auto *N = DITemplateTypeParameter::get(Context, Name, Type); 1794 1795 EXPECT_EQ(dwarf::DW_TAG_template_type_parameter, N->getTag()); 1796 EXPECT_EQ(Name, N->getName()); 1797 EXPECT_EQ(Type, N->getType()); 1798 EXPECT_EQ(N, DITemplateTypeParameter::get(Context, Name, Type)); 1799 1800 EXPECT_NE(N, DITemplateTypeParameter::get(Context, "other", Type)); 1801 EXPECT_NE(N, 1802 DITemplateTypeParameter::get(Context, Name, getBasicType("other"))); 1803 1804 TempDITemplateTypeParameter Temp = N->clone(); 1805 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1806 } 1807 1808 typedef MetadataTest DITemplateValueParameterTest; 1809 1810 TEST_F(DITemplateValueParameterTest, get) { 1811 unsigned Tag = dwarf::DW_TAG_template_value_parameter; 1812 StringRef Name = "template"; 1813 DIType *Type = getBasicType("basic"); 1814 Metadata *Value = getConstantAsMetadata(); 1815 1816 auto *N = DITemplateValueParameter::get(Context, Tag, Name, Type, Value); 1817 EXPECT_EQ(Tag, N->getTag()); 1818 EXPECT_EQ(Name, N->getName()); 1819 EXPECT_EQ(Type, N->getType()); 1820 EXPECT_EQ(Value, N->getValue()); 1821 EXPECT_EQ(N, DITemplateValueParameter::get(Context, Tag, Name, Type, Value)); 1822 1823 EXPECT_NE(N, DITemplateValueParameter::get( 1824 Context, dwarf::DW_TAG_GNU_template_template_param, Name, 1825 Type, Value)); 1826 EXPECT_NE(N, 1827 DITemplateValueParameter::get(Context, Tag, "other", Type, Value)); 1828 EXPECT_NE(N, DITemplateValueParameter::get(Context, Tag, Name, 1829 getBasicType("other"), Value)); 1830 EXPECT_NE(N, DITemplateValueParameter::get(Context, Tag, Name, Type, 1831 getConstantAsMetadata())); 1832 1833 TempDITemplateValueParameter Temp = N->clone(); 1834 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1835 } 1836 1837 typedef MetadataTest DIGlobalVariableTest; 1838 1839 TEST_F(DIGlobalVariableTest, get) { 1840 DIScope *Scope = getSubprogram(); 1841 StringRef Name = "name"; 1842 StringRef LinkageName = "linkage"; 1843 DIFile *File = getFile(); 1844 unsigned Line = 5; 1845 DIType *Type = getDerivedType(); 1846 bool IsLocalToUnit = false; 1847 bool IsDefinition = true; 1848 DIDerivedType *StaticDataMemberDeclaration = 1849 cast<DIDerivedType>(getDerivedType()); 1850 uint32_t AlignInBits = 8; 1851 1852 auto *N = DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line, 1853 Type, IsLocalToUnit, IsDefinition, 1854 StaticDataMemberDeclaration, AlignInBits); 1855 EXPECT_EQ(dwarf::DW_TAG_variable, N->getTag()); 1856 EXPECT_EQ(Scope, N->getScope()); 1857 EXPECT_EQ(Name, N->getName()); 1858 EXPECT_EQ(LinkageName, N->getLinkageName()); 1859 EXPECT_EQ(File, N->getFile()); 1860 EXPECT_EQ(Line, N->getLine()); 1861 EXPECT_EQ(Type, N->getType()); 1862 EXPECT_EQ(IsLocalToUnit, N->isLocalToUnit()); 1863 EXPECT_EQ(IsDefinition, N->isDefinition()); 1864 EXPECT_EQ(StaticDataMemberDeclaration, N->getStaticDataMemberDeclaration()); 1865 EXPECT_EQ(AlignInBits, N->getAlignInBits()); 1866 EXPECT_EQ(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 1867 Line, Type, IsLocalToUnit, IsDefinition, 1868 StaticDataMemberDeclaration, AlignInBits)); 1869 1870 EXPECT_NE(N, 1871 DIGlobalVariable::get(Context, getSubprogram(), Name, LinkageName, 1872 File, Line, Type, IsLocalToUnit, IsDefinition, 1873 StaticDataMemberDeclaration, AlignInBits)); 1874 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, "other", LinkageName, File, 1875 Line, Type, IsLocalToUnit, IsDefinition, 1876 StaticDataMemberDeclaration, AlignInBits)); 1877 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, "other", File, Line, 1878 Type, IsLocalToUnit, IsDefinition, 1879 StaticDataMemberDeclaration, AlignInBits)); 1880 EXPECT_NE(N, 1881 DIGlobalVariable::get(Context, Scope, Name, LinkageName, getFile(), 1882 Line, Type, IsLocalToUnit, IsDefinition, 1883 StaticDataMemberDeclaration, AlignInBits)); 1884 EXPECT_NE(N, 1885 DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 1886 Line + 1, Type, IsLocalToUnit, IsDefinition, 1887 StaticDataMemberDeclaration, AlignInBits)); 1888 EXPECT_NE(N, 1889 DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, Line, 1890 getDerivedType(), IsLocalToUnit, IsDefinition, 1891 StaticDataMemberDeclaration, AlignInBits)); 1892 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 1893 Line, Type, !IsLocalToUnit, IsDefinition, 1894 StaticDataMemberDeclaration, AlignInBits)); 1895 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 1896 Line, Type, IsLocalToUnit, !IsDefinition, 1897 StaticDataMemberDeclaration, AlignInBits)); 1898 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 1899 Line, Type, IsLocalToUnit, IsDefinition, 1900 cast<DIDerivedType>(getDerivedType()), 1901 AlignInBits)); 1902 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 1903 Line, Type, IsLocalToUnit, IsDefinition, 1904 StaticDataMemberDeclaration, 1905 (AlignInBits << 1))); 1906 1907 TempDIGlobalVariable Temp = N->clone(); 1908 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1909 } 1910 1911 typedef MetadataTest DIGlobalVariableExpressionTest; 1912 1913 TEST_F(DIGlobalVariableExpressionTest, get) { 1914 DIScope *Scope = getSubprogram(); 1915 StringRef Name = "name"; 1916 StringRef LinkageName = "linkage"; 1917 DIFile *File = getFile(); 1918 unsigned Line = 5; 1919 DIType *Type = getDerivedType(); 1920 bool IsLocalToUnit = false; 1921 bool IsDefinition = true; 1922 auto *Expr = DIExpression::get(Context, {1, 2}); 1923 auto *Expr2 = DIExpression::get(Context, {1, 2, 3}); 1924 DIDerivedType *StaticDataMemberDeclaration = 1925 cast<DIDerivedType>(getDerivedType()); 1926 uint32_t AlignInBits = 8; 1927 1928 auto *Var = DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 1929 Line, Type, IsLocalToUnit, IsDefinition, 1930 StaticDataMemberDeclaration, AlignInBits); 1931 auto *Var2 = DIGlobalVariable::get(Context, Scope, "other", LinkageName, File, 1932 Line, Type, IsLocalToUnit, IsDefinition, 1933 StaticDataMemberDeclaration, AlignInBits); 1934 auto *N = DIGlobalVariableExpression::get(Context, Var, Expr); 1935 1936 EXPECT_EQ(Var, N->getVariable()); 1937 EXPECT_EQ(Expr, N->getExpression()); 1938 EXPECT_EQ(N, DIGlobalVariableExpression::get(Context, Var, Expr)); 1939 EXPECT_NE(N, DIGlobalVariableExpression::get(Context, Var2, Expr)); 1940 EXPECT_NE(N, DIGlobalVariableExpression::get(Context, Var, Expr2)); 1941 1942 TempDIGlobalVariableExpression Temp = N->clone(); 1943 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1944 } 1945 1946 typedef MetadataTest DILocalVariableTest; 1947 1948 TEST_F(DILocalVariableTest, get) { 1949 DILocalScope *Scope = getSubprogram(); 1950 StringRef Name = "name"; 1951 DIFile *File = getFile(); 1952 unsigned Line = 5; 1953 DIType *Type = getDerivedType(); 1954 unsigned Arg = 6; 1955 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 1956 uint32_t AlignInBits = 8; 1957 1958 auto *N = 1959 DILocalVariable::get(Context, Scope, Name, File, Line, Type, Arg, Flags, 1960 AlignInBits); 1961 EXPECT_TRUE(N->isParameter()); 1962 EXPECT_EQ(Scope, N->getScope()); 1963 EXPECT_EQ(Name, N->getName()); 1964 EXPECT_EQ(File, N->getFile()); 1965 EXPECT_EQ(Line, N->getLine()); 1966 EXPECT_EQ(Type, N->getType()); 1967 EXPECT_EQ(Arg, N->getArg()); 1968 EXPECT_EQ(Flags, N->getFlags()); 1969 EXPECT_EQ(AlignInBits, N->getAlignInBits()); 1970 EXPECT_EQ(N, DILocalVariable::get(Context, Scope, Name, File, Line, Type, Arg, 1971 Flags, AlignInBits)); 1972 1973 EXPECT_FALSE( 1974 DILocalVariable::get(Context, Scope, Name, File, Line, Type, 0, Flags, 1975 AlignInBits)->isParameter()); 1976 EXPECT_NE(N, DILocalVariable::get(Context, getSubprogram(), Name, File, Line, 1977 Type, Arg, Flags, AlignInBits)); 1978 EXPECT_NE(N, DILocalVariable::get(Context, Scope, "other", File, Line, Type, 1979 Arg, Flags, AlignInBits)); 1980 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, getFile(), Line, Type, 1981 Arg, Flags, AlignInBits)); 1982 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, File, Line + 1, Type, 1983 Arg, Flags, AlignInBits)); 1984 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, File, Line, 1985 getDerivedType(), Arg, Flags, AlignInBits)); 1986 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, File, Line, Type, 1987 Arg + 1, Flags, AlignInBits)); 1988 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, File, Line, Type, 1989 Arg, Flags, (AlignInBits << 1))); 1990 1991 TempDILocalVariable Temp = N->clone(); 1992 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1993 } 1994 1995 TEST_F(DILocalVariableTest, getArg256) { 1996 EXPECT_EQ(255u, DILocalVariable::get(Context, getSubprogram(), "", getFile(), 1997 0, nullptr, 255, DINode::FlagZero, 0) 1998 ->getArg()); 1999 EXPECT_EQ(256u, DILocalVariable::get(Context, getSubprogram(), "", getFile(), 2000 0, nullptr, 256, DINode::FlagZero, 0) 2001 ->getArg()); 2002 EXPECT_EQ(257u, DILocalVariable::get(Context, getSubprogram(), "", getFile(), 2003 0, nullptr, 257, DINode::FlagZero, 0) 2004 ->getArg()); 2005 unsigned Max = UINT16_MAX; 2006 EXPECT_EQ(Max, DILocalVariable::get(Context, getSubprogram(), "", getFile(), 2007 0, nullptr, Max, DINode::FlagZero, 0) 2008 ->getArg()); 2009 } 2010 2011 typedef MetadataTest DIExpressionTest; 2012 2013 TEST_F(DIExpressionTest, get) { 2014 uint64_t Elements[] = {2, 6, 9, 78, 0}; 2015 auto *N = DIExpression::get(Context, Elements); 2016 EXPECT_EQ(makeArrayRef(Elements), N->getElements()); 2017 EXPECT_EQ(N, DIExpression::get(Context, Elements)); 2018 2019 EXPECT_EQ(5u, N->getNumElements()); 2020 EXPECT_EQ(2u, N->getElement(0)); 2021 EXPECT_EQ(6u, N->getElement(1)); 2022 EXPECT_EQ(9u, N->getElement(2)); 2023 EXPECT_EQ(78u, N->getElement(3)); 2024 EXPECT_EQ(0u, N->getElement(4)); 2025 2026 TempDIExpression Temp = N->clone(); 2027 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2028 } 2029 2030 TEST_F(DIExpressionTest, isValid) { 2031 #define EXPECT_VALID(...) \ 2032 do { \ 2033 uint64_t Elements[] = {__VA_ARGS__}; \ 2034 EXPECT_TRUE(DIExpression::get(Context, Elements)->isValid()); \ 2035 } while (false) 2036 #define EXPECT_INVALID(...) \ 2037 do { \ 2038 uint64_t Elements[] = {__VA_ARGS__}; \ 2039 EXPECT_FALSE(DIExpression::get(Context, Elements)->isValid()); \ 2040 } while (false) 2041 2042 // Empty expression should be valid. 2043 EXPECT_TRUE(DIExpression::get(Context, None)); 2044 2045 // Valid constructions. 2046 EXPECT_VALID(dwarf::DW_OP_plus, 6); 2047 EXPECT_VALID(dwarf::DW_OP_deref); 2048 EXPECT_VALID(dwarf::DW_OP_LLVM_fragment, 3, 7); 2049 EXPECT_VALID(dwarf::DW_OP_plus, 6, dwarf::DW_OP_deref); 2050 EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_plus, 6); 2051 EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_LLVM_fragment, 3, 7); 2052 EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_plus, 6, 2053 dwarf::DW_OP_LLVM_fragment, 3, 7); 2054 2055 // Invalid constructions. 2056 EXPECT_INVALID(~0u); 2057 EXPECT_INVALID(dwarf::DW_OP_plus); 2058 EXPECT_INVALID(dwarf::DW_OP_LLVM_fragment); 2059 EXPECT_INVALID(dwarf::DW_OP_LLVM_fragment, 3); 2060 EXPECT_INVALID(dwarf::DW_OP_LLVM_fragment, 3, 7, dwarf::DW_OP_plus, 3); 2061 EXPECT_INVALID(dwarf::DW_OP_LLVM_fragment, 3, 7, dwarf::DW_OP_deref); 2062 2063 #undef EXPECT_VALID 2064 #undef EXPECT_INVALID 2065 } 2066 2067 typedef MetadataTest DIObjCPropertyTest; 2068 2069 TEST_F(DIObjCPropertyTest, get) { 2070 StringRef Name = "name"; 2071 DIFile *File = getFile(); 2072 unsigned Line = 5; 2073 StringRef GetterName = "getter"; 2074 StringRef SetterName = "setter"; 2075 unsigned Attributes = 7; 2076 DIType *Type = getBasicType("basic"); 2077 2078 auto *N = DIObjCProperty::get(Context, Name, File, Line, GetterName, 2079 SetterName, Attributes, Type); 2080 2081 EXPECT_EQ(dwarf::DW_TAG_APPLE_property, N->getTag()); 2082 EXPECT_EQ(Name, N->getName()); 2083 EXPECT_EQ(File, N->getFile()); 2084 EXPECT_EQ(Line, N->getLine()); 2085 EXPECT_EQ(GetterName, N->getGetterName()); 2086 EXPECT_EQ(SetterName, N->getSetterName()); 2087 EXPECT_EQ(Attributes, N->getAttributes()); 2088 EXPECT_EQ(Type, N->getType()); 2089 EXPECT_EQ(N, DIObjCProperty::get(Context, Name, File, Line, GetterName, 2090 SetterName, Attributes, Type)); 2091 2092 EXPECT_NE(N, DIObjCProperty::get(Context, "other", File, Line, GetterName, 2093 SetterName, Attributes, Type)); 2094 EXPECT_NE(N, DIObjCProperty::get(Context, Name, getFile(), Line, GetterName, 2095 SetterName, Attributes, Type)); 2096 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line + 1, GetterName, 2097 SetterName, Attributes, Type)); 2098 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line, "other", 2099 SetterName, Attributes, Type)); 2100 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line, GetterName, 2101 "other", Attributes, Type)); 2102 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line, GetterName, 2103 SetterName, Attributes + 1, Type)); 2104 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line, GetterName, 2105 SetterName, Attributes, 2106 getBasicType("other"))); 2107 2108 TempDIObjCProperty Temp = N->clone(); 2109 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2110 } 2111 2112 typedef MetadataTest DIImportedEntityTest; 2113 2114 TEST_F(DIImportedEntityTest, get) { 2115 unsigned Tag = dwarf::DW_TAG_imported_module; 2116 DIScope *Scope = getSubprogram(); 2117 DINode *Entity = getCompositeType(); 2118 unsigned Line = 5; 2119 StringRef Name = "name"; 2120 2121 auto *N = DIImportedEntity::get(Context, Tag, Scope, Entity, Line, Name); 2122 2123 EXPECT_EQ(Tag, N->getTag()); 2124 EXPECT_EQ(Scope, N->getScope()); 2125 EXPECT_EQ(Entity, N->getEntity()); 2126 EXPECT_EQ(Line, N->getLine()); 2127 EXPECT_EQ(Name, N->getName()); 2128 EXPECT_EQ(N, DIImportedEntity::get(Context, Tag, Scope, Entity, Line, Name)); 2129 2130 EXPECT_NE(N, 2131 DIImportedEntity::get(Context, dwarf::DW_TAG_imported_declaration, 2132 Scope, Entity, Line, Name)); 2133 EXPECT_NE(N, DIImportedEntity::get(Context, Tag, getSubprogram(), Entity, 2134 Line, Name)); 2135 EXPECT_NE(N, DIImportedEntity::get(Context, Tag, Scope, getCompositeType(), 2136 Line, Name)); 2137 EXPECT_NE(N, 2138 DIImportedEntity::get(Context, Tag, Scope, Entity, Line + 1, Name)); 2139 EXPECT_NE(N, 2140 DIImportedEntity::get(Context, Tag, Scope, Entity, Line, "other")); 2141 2142 TempDIImportedEntity Temp = N->clone(); 2143 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2144 } 2145 2146 typedef MetadataTest MetadataAsValueTest; 2147 2148 TEST_F(MetadataAsValueTest, MDNode) { 2149 MDNode *N = MDNode::get(Context, None); 2150 auto *V = MetadataAsValue::get(Context, N); 2151 EXPECT_TRUE(V->getType()->isMetadataTy()); 2152 EXPECT_EQ(N, V->getMetadata()); 2153 2154 auto *V2 = MetadataAsValue::get(Context, N); 2155 EXPECT_EQ(V, V2); 2156 } 2157 2158 TEST_F(MetadataAsValueTest, MDNodeMDNode) { 2159 MDNode *N = MDNode::get(Context, None); 2160 Metadata *Ops[] = {N}; 2161 MDNode *N2 = MDNode::get(Context, Ops); 2162 auto *V = MetadataAsValue::get(Context, N2); 2163 EXPECT_TRUE(V->getType()->isMetadataTy()); 2164 EXPECT_EQ(N2, V->getMetadata()); 2165 2166 auto *V2 = MetadataAsValue::get(Context, N2); 2167 EXPECT_EQ(V, V2); 2168 2169 auto *V3 = MetadataAsValue::get(Context, N); 2170 EXPECT_TRUE(V3->getType()->isMetadataTy()); 2171 EXPECT_NE(V, V3); 2172 EXPECT_EQ(N, V3->getMetadata()); 2173 } 2174 2175 TEST_F(MetadataAsValueTest, MDNodeConstant) { 2176 auto *C = ConstantInt::getTrue(Context); 2177 auto *MD = ConstantAsMetadata::get(C); 2178 Metadata *Ops[] = {MD}; 2179 auto *N = MDNode::get(Context, Ops); 2180 2181 auto *V = MetadataAsValue::get(Context, MD); 2182 EXPECT_TRUE(V->getType()->isMetadataTy()); 2183 EXPECT_EQ(MD, V->getMetadata()); 2184 2185 auto *V2 = MetadataAsValue::get(Context, N); 2186 EXPECT_EQ(MD, V2->getMetadata()); 2187 EXPECT_EQ(V, V2); 2188 } 2189 2190 typedef MetadataTest ValueAsMetadataTest; 2191 2192 TEST_F(ValueAsMetadataTest, UpdatesOnRAUW) { 2193 Type *Ty = Type::getInt1PtrTy(Context); 2194 std::unique_ptr<GlobalVariable> GV0( 2195 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 2196 auto *MD = ValueAsMetadata::get(GV0.get()); 2197 EXPECT_TRUE(MD->getValue() == GV0.get()); 2198 ASSERT_TRUE(GV0->use_empty()); 2199 2200 std::unique_ptr<GlobalVariable> GV1( 2201 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 2202 GV0->replaceAllUsesWith(GV1.get()); 2203 EXPECT_TRUE(MD->getValue() == GV1.get()); 2204 } 2205 2206 TEST_F(ValueAsMetadataTest, TempTempReplacement) { 2207 // Create a constant. 2208 ConstantAsMetadata *CI = 2209 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0))); 2210 2211 auto Temp1 = MDTuple::getTemporary(Context, None); 2212 auto Temp2 = MDTuple::getTemporary(Context, {CI}); 2213 auto *N = MDTuple::get(Context, {Temp1.get()}); 2214 2215 // Test replacing a temporary node with another temporary node. 2216 Temp1->replaceAllUsesWith(Temp2.get()); 2217 EXPECT_EQ(N->getOperand(0), Temp2.get()); 2218 2219 // Clean up Temp2 for teardown. 2220 Temp2->replaceAllUsesWith(nullptr); 2221 } 2222 2223 TEST_F(ValueAsMetadataTest, CollidingDoubleUpdates) { 2224 // Create a constant. 2225 ConstantAsMetadata *CI = 2226 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0))); 2227 2228 // Create a temporary to prevent nodes from resolving. 2229 auto Temp = MDTuple::getTemporary(Context, None); 2230 2231 // When the first operand of N1 gets reset to nullptr, it'll collide with N2. 2232 Metadata *Ops1[] = {CI, CI, Temp.get()}; 2233 Metadata *Ops2[] = {nullptr, CI, Temp.get()}; 2234 2235 auto *N1 = MDTuple::get(Context, Ops1); 2236 auto *N2 = MDTuple::get(Context, Ops2); 2237 ASSERT_NE(N1, N2); 2238 2239 // Tell metadata that the constant is getting deleted. 2240 // 2241 // After this, N1 will be invalid, so don't touch it. 2242 ValueAsMetadata::handleDeletion(CI->getValue()); 2243 EXPECT_EQ(nullptr, N2->getOperand(0)); 2244 EXPECT_EQ(nullptr, N2->getOperand(1)); 2245 EXPECT_EQ(Temp.get(), N2->getOperand(2)); 2246 2247 // Clean up Temp for teardown. 2248 Temp->replaceAllUsesWith(nullptr); 2249 } 2250 2251 typedef MetadataTest TrackingMDRefTest; 2252 2253 TEST_F(TrackingMDRefTest, UpdatesOnRAUW) { 2254 Type *Ty = Type::getInt1PtrTy(Context); 2255 std::unique_ptr<GlobalVariable> GV0( 2256 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 2257 TypedTrackingMDRef<ValueAsMetadata> MD(ValueAsMetadata::get(GV0.get())); 2258 EXPECT_TRUE(MD->getValue() == GV0.get()); 2259 ASSERT_TRUE(GV0->use_empty()); 2260 2261 std::unique_ptr<GlobalVariable> GV1( 2262 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 2263 GV0->replaceAllUsesWith(GV1.get()); 2264 EXPECT_TRUE(MD->getValue() == GV1.get()); 2265 2266 // Reset it, so we don't inadvertently test deletion. 2267 MD.reset(); 2268 } 2269 2270 TEST_F(TrackingMDRefTest, UpdatesOnDeletion) { 2271 Type *Ty = Type::getInt1PtrTy(Context); 2272 std::unique_ptr<GlobalVariable> GV( 2273 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 2274 TypedTrackingMDRef<ValueAsMetadata> MD(ValueAsMetadata::get(GV.get())); 2275 EXPECT_TRUE(MD->getValue() == GV.get()); 2276 ASSERT_TRUE(GV->use_empty()); 2277 2278 GV.reset(); 2279 EXPECT_TRUE(!MD); 2280 } 2281 2282 TEST(NamedMDNodeTest, Search) { 2283 LLVMContext Context; 2284 ConstantAsMetadata *C = 2285 ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(Context), 1)); 2286 ConstantAsMetadata *C2 = 2287 ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(Context), 2)); 2288 2289 Metadata *const V = C; 2290 Metadata *const V2 = C2; 2291 MDNode *n = MDNode::get(Context, V); 2292 MDNode *n2 = MDNode::get(Context, V2); 2293 2294 Module M("MyModule", Context); 2295 const char *Name = "llvm.NMD1"; 2296 NamedMDNode *NMD = M.getOrInsertNamedMetadata(Name); 2297 NMD->addOperand(n); 2298 NMD->addOperand(n2); 2299 2300 std::string Str; 2301 raw_string_ostream oss(Str); 2302 NMD->print(oss); 2303 EXPECT_STREQ("!llvm.NMD1 = !{!0, !1}\n", 2304 oss.str().c_str()); 2305 } 2306 2307 typedef MetadataTest FunctionAttachmentTest; 2308 TEST_F(FunctionAttachmentTest, setMetadata) { 2309 Function *F = getFunction("foo"); 2310 ASSERT_FALSE(F->hasMetadata()); 2311 EXPECT_EQ(nullptr, F->getMetadata(LLVMContext::MD_dbg)); 2312 EXPECT_EQ(nullptr, F->getMetadata("dbg")); 2313 EXPECT_EQ(nullptr, F->getMetadata("other")); 2314 2315 DISubprogram *SP1 = getSubprogram(); 2316 DISubprogram *SP2 = getSubprogram(); 2317 ASSERT_NE(SP1, SP2); 2318 2319 F->setMetadata("dbg", SP1); 2320 EXPECT_TRUE(F->hasMetadata()); 2321 EXPECT_EQ(SP1, F->getMetadata(LLVMContext::MD_dbg)); 2322 EXPECT_EQ(SP1, F->getMetadata("dbg")); 2323 EXPECT_EQ(nullptr, F->getMetadata("other")); 2324 2325 F->setMetadata(LLVMContext::MD_dbg, SP2); 2326 EXPECT_TRUE(F->hasMetadata()); 2327 EXPECT_EQ(SP2, F->getMetadata(LLVMContext::MD_dbg)); 2328 EXPECT_EQ(SP2, F->getMetadata("dbg")); 2329 EXPECT_EQ(nullptr, F->getMetadata("other")); 2330 2331 F->setMetadata("dbg", nullptr); 2332 EXPECT_FALSE(F->hasMetadata()); 2333 EXPECT_EQ(nullptr, F->getMetadata(LLVMContext::MD_dbg)); 2334 EXPECT_EQ(nullptr, F->getMetadata("dbg")); 2335 EXPECT_EQ(nullptr, F->getMetadata("other")); 2336 2337 MDTuple *T1 = getTuple(); 2338 MDTuple *T2 = getTuple(); 2339 ASSERT_NE(T1, T2); 2340 2341 F->setMetadata("other1", T1); 2342 F->setMetadata("other2", T2); 2343 EXPECT_TRUE(F->hasMetadata()); 2344 EXPECT_EQ(T1, F->getMetadata("other1")); 2345 EXPECT_EQ(T2, F->getMetadata("other2")); 2346 EXPECT_EQ(nullptr, F->getMetadata("dbg")); 2347 2348 F->setMetadata("other1", T2); 2349 F->setMetadata("other2", T1); 2350 EXPECT_EQ(T2, F->getMetadata("other1")); 2351 EXPECT_EQ(T1, F->getMetadata("other2")); 2352 2353 F->setMetadata("other1", nullptr); 2354 F->setMetadata("other2", nullptr); 2355 EXPECT_FALSE(F->hasMetadata()); 2356 EXPECT_EQ(nullptr, F->getMetadata("other1")); 2357 EXPECT_EQ(nullptr, F->getMetadata("other2")); 2358 } 2359 2360 TEST_F(FunctionAttachmentTest, getAll) { 2361 Function *F = getFunction("foo"); 2362 2363 MDTuple *T1 = getTuple(); 2364 MDTuple *T2 = getTuple(); 2365 MDTuple *P = getTuple(); 2366 DISubprogram *SP = getSubprogram(); 2367 2368 F->setMetadata("other1", T2); 2369 F->setMetadata(LLVMContext::MD_dbg, SP); 2370 F->setMetadata("other2", T1); 2371 F->setMetadata(LLVMContext::MD_prof, P); 2372 F->setMetadata("other2", T2); 2373 F->setMetadata("other1", T1); 2374 2375 SmallVector<std::pair<unsigned, MDNode *>, 4> MDs; 2376 F->getAllMetadata(MDs); 2377 ASSERT_EQ(4u, MDs.size()); 2378 EXPECT_EQ(LLVMContext::MD_dbg, MDs[0].first); 2379 EXPECT_EQ(LLVMContext::MD_prof, MDs[1].first); 2380 EXPECT_EQ(Context.getMDKindID("other1"), MDs[2].first); 2381 EXPECT_EQ(Context.getMDKindID("other2"), MDs[3].first); 2382 EXPECT_EQ(SP, MDs[0].second); 2383 EXPECT_EQ(P, MDs[1].second); 2384 EXPECT_EQ(T1, MDs[2].second); 2385 EXPECT_EQ(T2, MDs[3].second); 2386 } 2387 2388 TEST_F(FunctionAttachmentTest, Verifier) { 2389 Function *F = getFunction("foo"); 2390 F->setMetadata("attach", getTuple()); 2391 F->setIsMaterializable(true); 2392 2393 // Confirm this is materializable. 2394 ASSERT_TRUE(F->isMaterializable()); 2395 2396 // Materializable functions cannot have metadata attachments. 2397 EXPECT_TRUE(verifyFunction(*F)); 2398 2399 // Function declarations can. 2400 F->setIsMaterializable(false); 2401 EXPECT_FALSE(verifyModule(*F->getParent())); 2402 EXPECT_FALSE(verifyFunction(*F)); 2403 2404 // So can definitions. 2405 (void)new UnreachableInst(Context, BasicBlock::Create(Context, "bb", F)); 2406 EXPECT_FALSE(verifyModule(*F->getParent())); 2407 EXPECT_FALSE(verifyFunction(*F)); 2408 } 2409 2410 TEST_F(FunctionAttachmentTest, EntryCount) { 2411 Function *F = getFunction("foo"); 2412 EXPECT_FALSE(F->getEntryCount().hasValue()); 2413 F->setEntryCount(12304); 2414 EXPECT_TRUE(F->getEntryCount().hasValue()); 2415 EXPECT_EQ(12304u, *F->getEntryCount()); 2416 } 2417 2418 TEST_F(FunctionAttachmentTest, SubprogramAttachment) { 2419 Function *F = getFunction("foo"); 2420 DISubprogram *SP = getSubprogram(); 2421 F->setSubprogram(SP); 2422 2423 // Note that the static_cast confirms that F->getSubprogram() actually 2424 // returns an DISubprogram. 2425 EXPECT_EQ(SP, static_cast<DISubprogram *>(F->getSubprogram())); 2426 EXPECT_EQ(SP, F->getMetadata("dbg")); 2427 EXPECT_EQ(SP, F->getMetadata(LLVMContext::MD_dbg)); 2428 } 2429 2430 typedef MetadataTest DistinctMDOperandPlaceholderTest; 2431 TEST_F(DistinctMDOperandPlaceholderTest, getID) { 2432 EXPECT_EQ(7u, DistinctMDOperandPlaceholder(7).getID()); 2433 } 2434 2435 TEST_F(DistinctMDOperandPlaceholderTest, replaceUseWith) { 2436 // Set up some placeholders. 2437 DistinctMDOperandPlaceholder PH0(7); 2438 DistinctMDOperandPlaceholder PH1(3); 2439 DistinctMDOperandPlaceholder PH2(0); 2440 Metadata *Ops[] = {&PH0, &PH1, &PH2}; 2441 auto *D = MDTuple::getDistinct(Context, Ops); 2442 ASSERT_EQ(&PH0, D->getOperand(0)); 2443 ASSERT_EQ(&PH1, D->getOperand(1)); 2444 ASSERT_EQ(&PH2, D->getOperand(2)); 2445 2446 // Replace them. 2447 auto *N0 = MDTuple::get(Context, None); 2448 auto *N1 = MDTuple::get(Context, N0); 2449 PH0.replaceUseWith(N0); 2450 PH1.replaceUseWith(N1); 2451 PH2.replaceUseWith(nullptr); 2452 EXPECT_EQ(N0, D->getOperand(0)); 2453 EXPECT_EQ(N1, D->getOperand(1)); 2454 EXPECT_EQ(nullptr, D->getOperand(2)); 2455 } 2456 2457 TEST_F(DistinctMDOperandPlaceholderTest, replaceUseWithNoUser) { 2458 // There is no user, but we can still call replace. 2459 DistinctMDOperandPlaceholder(7).replaceUseWith(MDTuple::get(Context, None)); 2460 } 2461 2462 #ifndef NDEBUG 2463 #ifdef GTEST_HAS_DEATH_TEST 2464 TEST_F(DistinctMDOperandPlaceholderTest, MetadataAsValue) { 2465 // This shouldn't crash. 2466 DistinctMDOperandPlaceholder PH(7); 2467 EXPECT_DEATH(MetadataAsValue::get(Context, &PH), 2468 "Unexpected callback to owner"); 2469 } 2470 2471 TEST_F(DistinctMDOperandPlaceholderTest, UniquedMDNode) { 2472 // This shouldn't crash. 2473 DistinctMDOperandPlaceholder PH(7); 2474 EXPECT_DEATH(MDTuple::get(Context, &PH), "Unexpected callback to owner"); 2475 } 2476 2477 TEST_F(DistinctMDOperandPlaceholderTest, SecondDistinctMDNode) { 2478 // This shouldn't crash. 2479 DistinctMDOperandPlaceholder PH(7); 2480 MDTuple::getDistinct(Context, &PH); 2481 EXPECT_DEATH(MDTuple::getDistinct(Context, &PH), 2482 "Placeholders can only be used once"); 2483 } 2484 2485 TEST_F(DistinctMDOperandPlaceholderTest, TrackingMDRefAndDistinctMDNode) { 2486 // TrackingMDRef doesn't install an owner callback, so it can't be detected 2487 // as an invalid use. However, using a placeholder in a TrackingMDRef *and* 2488 // a distinct node isn't possible and we should assert. 2489 // 2490 // (There's no positive test for using TrackingMDRef because it's not a 2491 // useful thing to do.) 2492 { 2493 DistinctMDOperandPlaceholder PH(7); 2494 MDTuple::getDistinct(Context, &PH); 2495 EXPECT_DEATH(TrackingMDRef Ref(&PH), "Placeholders can only be used once"); 2496 } 2497 { 2498 DistinctMDOperandPlaceholder PH(7); 2499 TrackingMDRef Ref(&PH); 2500 EXPECT_DEATH(MDTuple::getDistinct(Context, &PH), 2501 "Placeholders can only be used once"); 2502 } 2503 } 2504 #endif 2505 #endif 2506 2507 } // end namespace 2508