1 //===- unittests/IR/MetadataTest.cpp - Metadata unit tests ----------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/IR/Metadata.h" 10 #include "llvm/ADT/DenseMap.h" 11 #include "llvm/ADT/STLExtras.h" 12 #include "llvm/IR/Constants.h" 13 #include "llvm/IR/DIBuilder.h" 14 #include "llvm/IR/DebugInfo.h" 15 #include "llvm/IR/DebugInfoMetadata.h" 16 #include "llvm/IR/Function.h" 17 #include "llvm/IR/Instructions.h" 18 #include "llvm/IR/LLVMContext.h" 19 #include "llvm/IR/Module.h" 20 #include "llvm/IR/ModuleSlotTracker.h" 21 #include "llvm/IR/Type.h" 22 #include "llvm/IR/Verifier.h" 23 #include "llvm/Support/raw_ostream.h" 24 #include "gtest/gtest.h" 25 using namespace llvm; 26 27 namespace { 28 29 TEST(ContextAndReplaceableUsesTest, FromContext) { 30 LLVMContext Context; 31 ContextAndReplaceableUses CRU(Context); 32 EXPECT_EQ(&Context, &CRU.getContext()); 33 EXPECT_FALSE(CRU.hasReplaceableUses()); 34 EXPECT_FALSE(CRU.getReplaceableUses()); 35 } 36 37 TEST(ContextAndReplaceableUsesTest, FromReplaceableUses) { 38 LLVMContext Context; 39 ContextAndReplaceableUses CRU(std::make_unique<ReplaceableMetadataImpl>(Context)); 40 EXPECT_EQ(&Context, &CRU.getContext()); 41 EXPECT_TRUE(CRU.hasReplaceableUses()); 42 EXPECT_TRUE(CRU.getReplaceableUses()); 43 } 44 45 TEST(ContextAndReplaceableUsesTest, makeReplaceable) { 46 LLVMContext Context; 47 ContextAndReplaceableUses CRU(Context); 48 CRU.makeReplaceable(std::make_unique<ReplaceableMetadataImpl>(Context)); 49 EXPECT_EQ(&Context, &CRU.getContext()); 50 EXPECT_TRUE(CRU.hasReplaceableUses()); 51 EXPECT_TRUE(CRU.getReplaceableUses()); 52 } 53 54 TEST(ContextAndReplaceableUsesTest, takeReplaceableUses) { 55 LLVMContext Context; 56 auto ReplaceableUses = std::make_unique<ReplaceableMetadataImpl>(Context); 57 auto *Ptr = ReplaceableUses.get(); 58 ContextAndReplaceableUses CRU(std::move(ReplaceableUses)); 59 ReplaceableUses = CRU.takeReplaceableUses(); 60 EXPECT_EQ(&Context, &CRU.getContext()); 61 EXPECT_FALSE(CRU.hasReplaceableUses()); 62 EXPECT_FALSE(CRU.getReplaceableUses()); 63 EXPECT_EQ(Ptr, ReplaceableUses.get()); 64 } 65 66 class MetadataTest : public testing::Test { 67 public: 68 MetadataTest() : M("test", Context), Counter(0) {} 69 70 protected: 71 LLVMContext Context; 72 Module M; 73 int Counter; 74 75 MDNode *getNode() { return MDNode::get(Context, None); } 76 MDNode *getNode(Metadata *MD) { return MDNode::get(Context, MD); } 77 MDNode *getNode(Metadata *MD1, Metadata *MD2) { 78 Metadata *MDs[] = {MD1, MD2}; 79 return MDNode::get(Context, MDs); 80 } 81 82 MDTuple *getTuple() { return MDTuple::getDistinct(Context, None); } 83 DISubroutineType *getSubroutineType() { 84 return DISubroutineType::getDistinct(Context, DINode::FlagZero, 0, 85 getNode(nullptr)); 86 } 87 DISubprogram *getSubprogram() { 88 return DISubprogram::getDistinct( 89 Context, nullptr, "", "", nullptr, 0, nullptr, 0, nullptr, 0, 0, 90 DINode::FlagZero, DISubprogram::SPFlagZero, nullptr); 91 } 92 DIFile *getFile() { 93 return DIFile::getDistinct(Context, "file.c", "/path/to/dir"); 94 } 95 DICompileUnit *getUnit() { 96 return DICompileUnit::getDistinct( 97 Context, 1, getFile(), "clang", false, "-g", 2, "", 98 DICompileUnit::FullDebug, getTuple(), getTuple(), getTuple(), 99 getTuple(), getTuple(), 0, true, false, 100 DICompileUnit::DebugNameTableKind::Default, false, "/", ""); 101 } 102 DIType *getBasicType(StringRef Name) { 103 return DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type, Name); 104 } 105 DIType *getDerivedType() { 106 return DIDerivedType::getDistinct( 107 Context, dwarf::DW_TAG_pointer_type, "", nullptr, 0, nullptr, 108 getBasicType("basictype"), 1, 2, 0, None, DINode::FlagZero); 109 } 110 Constant *getConstant() { 111 return ConstantInt::get(Type::getInt32Ty(Context), Counter++); 112 } 113 ConstantAsMetadata *getConstantAsMetadata() { 114 return ConstantAsMetadata::get(getConstant()); 115 } 116 DIType *getCompositeType() { 117 return DICompositeType::getDistinct( 118 Context, dwarf::DW_TAG_structure_type, "", nullptr, 0, nullptr, nullptr, 119 32, 32, 0, DINode::FlagZero, nullptr, 0, nullptr, nullptr, ""); 120 } 121 Function *getFunction(StringRef Name) { 122 return Function::Create( 123 FunctionType::get(Type::getVoidTy(Context), None, false), 124 Function::ExternalLinkage, Name, M); 125 } 126 }; 127 typedef MetadataTest MDStringTest; 128 129 // Test that construction of MDString with different value produces different 130 // MDString objects, even with the same string pointer and nulls in the string. 131 TEST_F(MDStringTest, CreateDifferent) { 132 char x[3] = { 'f', 0, 'A' }; 133 MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); 134 x[2] = 'B'; 135 MDString *s2 = MDString::get(Context, StringRef(&x[0], 3)); 136 EXPECT_NE(s1, s2); 137 } 138 139 // Test that creation of MDStrings with the same string contents produces the 140 // same MDString object, even with different pointers. 141 TEST_F(MDStringTest, CreateSame) { 142 char x[4] = { 'a', 'b', 'c', 'X' }; 143 char y[4] = { 'a', 'b', 'c', 'Y' }; 144 145 MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); 146 MDString *s2 = MDString::get(Context, StringRef(&y[0], 3)); 147 EXPECT_EQ(s1, s2); 148 } 149 150 // Test that MDString prints out the string we fed it. 151 TEST_F(MDStringTest, PrintingSimple) { 152 char str[14] = "testing 1 2 3"; 153 MDString *s = MDString::get(Context, StringRef(&str[0], 13)); 154 strncpy(str, "aaaaaaaaaaaaa", 14); 155 156 std::string Str; 157 raw_string_ostream oss(Str); 158 s->print(oss); 159 EXPECT_STREQ("!\"testing 1 2 3\"", oss.str().c_str()); 160 } 161 162 // Test printing of MDString with non-printable characters. 163 TEST_F(MDStringTest, PrintingComplex) { 164 char str[5] = {0, '\n', '"', '\\', (char)-1}; 165 MDString *s = MDString::get(Context, StringRef(str+0, 5)); 166 std::string Str; 167 raw_string_ostream oss(Str); 168 s->print(oss); 169 EXPECT_STREQ("!\"\\00\\0A\\22\\\\\\FF\"", oss.str().c_str()); 170 } 171 172 typedef MetadataTest MDNodeTest; 173 174 // Test the two constructors, and containing other Constants. 175 TEST_F(MDNodeTest, Simple) { 176 char x[3] = { 'a', 'b', 'c' }; 177 char y[3] = { '1', '2', '3' }; 178 179 MDString *s1 = MDString::get(Context, StringRef(&x[0], 3)); 180 MDString *s2 = MDString::get(Context, StringRef(&y[0], 3)); 181 ConstantAsMetadata *CI = 182 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0))); 183 184 std::vector<Metadata *> V; 185 V.push_back(s1); 186 V.push_back(CI); 187 V.push_back(s2); 188 189 MDNode *n1 = MDNode::get(Context, V); 190 Metadata *const c1 = n1; 191 MDNode *n2 = MDNode::get(Context, c1); 192 Metadata *const c2 = n2; 193 MDNode *n3 = MDNode::get(Context, V); 194 MDNode *n4 = MDNode::getIfExists(Context, V); 195 MDNode *n5 = MDNode::getIfExists(Context, c1); 196 MDNode *n6 = MDNode::getIfExists(Context, c2); 197 EXPECT_NE(n1, n2); 198 EXPECT_EQ(n1, n3); 199 EXPECT_EQ(n4, n1); 200 EXPECT_EQ(n5, n2); 201 EXPECT_EQ(n6, (Metadata *)nullptr); 202 203 EXPECT_EQ(3u, n1->getNumOperands()); 204 EXPECT_EQ(s1, n1->getOperand(0)); 205 EXPECT_EQ(CI, n1->getOperand(1)); 206 EXPECT_EQ(s2, n1->getOperand(2)); 207 208 EXPECT_EQ(1u, n2->getNumOperands()); 209 EXPECT_EQ(n1, n2->getOperand(0)); 210 } 211 212 TEST_F(MDNodeTest, Delete) { 213 Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 1); 214 Instruction *I = new BitCastInst(C, Type::getInt32Ty(Context)); 215 216 Metadata *const V = LocalAsMetadata::get(I); 217 MDNode *n = MDNode::get(Context, V); 218 TrackingMDRef wvh(n); 219 220 EXPECT_EQ(n, wvh); 221 222 I->deleteValue(); 223 } 224 225 TEST_F(MDNodeTest, SelfReference) { 226 // !0 = !{!0} 227 // !1 = !{!0} 228 { 229 auto Temp = MDNode::getTemporary(Context, None); 230 Metadata *Args[] = {Temp.get()}; 231 MDNode *Self = MDNode::get(Context, Args); 232 Self->replaceOperandWith(0, Self); 233 ASSERT_EQ(Self, Self->getOperand(0)); 234 235 // Self-references should be distinct, so MDNode::get() should grab a 236 // uniqued node that references Self, not Self. 237 Args[0] = Self; 238 MDNode *Ref1 = MDNode::get(Context, Args); 239 MDNode *Ref2 = MDNode::get(Context, Args); 240 EXPECT_NE(Self, Ref1); 241 EXPECT_EQ(Ref1, Ref2); 242 } 243 244 // !0 = !{!0, !{}} 245 // !1 = !{!0, !{}} 246 { 247 auto Temp = MDNode::getTemporary(Context, None); 248 Metadata *Args[] = {Temp.get(), MDNode::get(Context, None)}; 249 MDNode *Self = MDNode::get(Context, Args); 250 Self->replaceOperandWith(0, Self); 251 ASSERT_EQ(Self, Self->getOperand(0)); 252 253 // Self-references should be distinct, so MDNode::get() should grab a 254 // uniqued node that references Self, not Self itself. 255 Args[0] = Self; 256 MDNode *Ref1 = MDNode::get(Context, Args); 257 MDNode *Ref2 = MDNode::get(Context, Args); 258 EXPECT_NE(Self, Ref1); 259 EXPECT_EQ(Ref1, Ref2); 260 } 261 } 262 263 TEST_F(MDNodeTest, Print) { 264 Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 7); 265 MDString *S = MDString::get(Context, "foo"); 266 MDNode *N0 = getNode(); 267 MDNode *N1 = getNode(N0); 268 MDNode *N2 = getNode(N0, N1); 269 270 Metadata *Args[] = {ConstantAsMetadata::get(C), S, nullptr, N0, N1, N2}; 271 MDNode *N = MDNode::get(Context, Args); 272 273 std::string Expected; 274 { 275 raw_string_ostream OS(Expected); 276 OS << "<" << (void *)N << "> = !{"; 277 C->printAsOperand(OS); 278 OS << ", "; 279 S->printAsOperand(OS); 280 OS << ", null"; 281 MDNode *Nodes[] = {N0, N1, N2}; 282 for (auto *Node : Nodes) 283 OS << ", <" << (void *)Node << ">"; 284 OS << "}"; 285 } 286 287 std::string Actual; 288 { 289 raw_string_ostream OS(Actual); 290 N->print(OS); 291 } 292 293 EXPECT_EQ(Expected, Actual); 294 } 295 296 #define EXPECT_PRINTER_EQ(EXPECTED, PRINT) \ 297 do { \ 298 std::string Actual_; \ 299 raw_string_ostream OS(Actual_); \ 300 PRINT; \ 301 OS.flush(); \ 302 std::string Expected_(EXPECTED); \ 303 EXPECT_EQ(Expected_, Actual_); \ 304 } while (false) 305 306 TEST_F(MDNodeTest, PrintTemporary) { 307 MDNode *Arg = getNode(); 308 TempMDNode Temp = MDNode::getTemporary(Context, Arg); 309 MDNode *N = getNode(Temp.get()); 310 Module M("test", Context); 311 NamedMDNode *NMD = M.getOrInsertNamedMetadata("named"); 312 NMD->addOperand(N); 313 314 EXPECT_PRINTER_EQ("!0 = !{!1}", N->print(OS, &M)); 315 EXPECT_PRINTER_EQ("!1 = <temporary!> !{!2}", Temp->print(OS, &M)); 316 EXPECT_PRINTER_EQ("!2 = !{}", Arg->print(OS, &M)); 317 318 // Cleanup. 319 Temp->replaceAllUsesWith(Arg); 320 } 321 322 TEST_F(MDNodeTest, PrintFromModule) { 323 Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 7); 324 MDString *S = MDString::get(Context, "foo"); 325 MDNode *N0 = getNode(); 326 MDNode *N1 = getNode(N0); 327 MDNode *N2 = getNode(N0, N1); 328 329 Metadata *Args[] = {ConstantAsMetadata::get(C), S, nullptr, N0, N1, N2}; 330 MDNode *N = MDNode::get(Context, Args); 331 Module M("test", Context); 332 NamedMDNode *NMD = M.getOrInsertNamedMetadata("named"); 333 NMD->addOperand(N); 334 335 std::string Expected; 336 { 337 raw_string_ostream OS(Expected); 338 OS << "!0 = !{"; 339 C->printAsOperand(OS); 340 OS << ", "; 341 S->printAsOperand(OS); 342 OS << ", null, !1, !2, !3}"; 343 } 344 345 EXPECT_PRINTER_EQ(Expected, N->print(OS, &M)); 346 } 347 348 TEST_F(MDNodeTest, PrintFromFunction) { 349 Module M("test", Context); 350 auto *FTy = FunctionType::get(Type::getVoidTy(Context), false); 351 auto *F0 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F0", &M); 352 auto *F1 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F1", &M); 353 auto *BB0 = BasicBlock::Create(Context, "entry", F0); 354 auto *BB1 = BasicBlock::Create(Context, "entry", F1); 355 auto *R0 = ReturnInst::Create(Context, BB0); 356 auto *R1 = ReturnInst::Create(Context, BB1); 357 auto *N0 = MDNode::getDistinct(Context, None); 358 auto *N1 = MDNode::getDistinct(Context, None); 359 R0->setMetadata("md", N0); 360 R1->setMetadata("md", N1); 361 362 EXPECT_PRINTER_EQ("!0 = distinct !{}", N0->print(OS, &M)); 363 EXPECT_PRINTER_EQ("!1 = distinct !{}", N1->print(OS, &M)); 364 365 ModuleSlotTracker MST(&M); 366 EXPECT_PRINTER_EQ("!0 = distinct !{}", N0->print(OS, MST)); 367 EXPECT_PRINTER_EQ("!1 = distinct !{}", N1->print(OS, MST)); 368 } 369 370 TEST_F(MDNodeTest, PrintFromMetadataAsValue) { 371 Module M("test", Context); 372 373 auto *Intrinsic = 374 Function::Create(FunctionType::get(Type::getVoidTy(Context), 375 Type::getMetadataTy(Context), false), 376 GlobalValue::ExternalLinkage, "llvm.intrinsic", &M); 377 378 auto *FTy = FunctionType::get(Type::getVoidTy(Context), false); 379 auto *F0 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F0", &M); 380 auto *F1 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F1", &M); 381 auto *BB0 = BasicBlock::Create(Context, "entry", F0); 382 auto *BB1 = BasicBlock::Create(Context, "entry", F1); 383 auto *N0 = MDNode::getDistinct(Context, None); 384 auto *N1 = MDNode::getDistinct(Context, None); 385 auto *MAV0 = MetadataAsValue::get(Context, N0); 386 auto *MAV1 = MetadataAsValue::get(Context, N1); 387 CallInst::Create(Intrinsic, MAV0, "", BB0); 388 CallInst::Create(Intrinsic, MAV1, "", BB1); 389 390 EXPECT_PRINTER_EQ("!0 = distinct !{}", MAV0->print(OS)); 391 EXPECT_PRINTER_EQ("!1 = distinct !{}", MAV1->print(OS)); 392 EXPECT_PRINTER_EQ("!0", MAV0->printAsOperand(OS, false)); 393 EXPECT_PRINTER_EQ("!1", MAV1->printAsOperand(OS, false)); 394 EXPECT_PRINTER_EQ("metadata !0", MAV0->printAsOperand(OS, true)); 395 EXPECT_PRINTER_EQ("metadata !1", MAV1->printAsOperand(OS, true)); 396 397 ModuleSlotTracker MST(&M); 398 EXPECT_PRINTER_EQ("!0 = distinct !{}", MAV0->print(OS, MST)); 399 EXPECT_PRINTER_EQ("!1 = distinct !{}", MAV1->print(OS, MST)); 400 EXPECT_PRINTER_EQ("!0", MAV0->printAsOperand(OS, false, MST)); 401 EXPECT_PRINTER_EQ("!1", MAV1->printAsOperand(OS, false, MST)); 402 EXPECT_PRINTER_EQ("metadata !0", MAV0->printAsOperand(OS, true, MST)); 403 EXPECT_PRINTER_EQ("metadata !1", MAV1->printAsOperand(OS, true, MST)); 404 } 405 406 TEST_F(MDNodeTest, PrintWithDroppedCallOperand) { 407 Module M("test", Context); 408 409 auto *FTy = FunctionType::get(Type::getVoidTy(Context), false); 410 auto *F0 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F0", &M); 411 auto *F1 = Function::Create(FTy, GlobalValue::ExternalLinkage, "F1", &M); 412 auto *BB0 = BasicBlock::Create(Context, "entry", F0); 413 414 CallInst *CI0 = CallInst::Create(F1, "", BB0); 415 CI0->dropAllReferences(); 416 417 auto *R0 = ReturnInst::Create(Context, BB0); 418 auto *N0 = MDNode::getDistinct(Context, None); 419 R0->setMetadata("md", N0); 420 421 // Printing the metadata node would previously result in a failed assertion 422 // due to the call instruction's dropped function operand. 423 ModuleSlotTracker MST(&M); 424 EXPECT_PRINTER_EQ("!0 = distinct !{}", N0->print(OS, MST)); 425 } 426 427 TEST_F(MDNodeTest, PrintTree) { 428 DILocalScope *Scope = getSubprogram(); 429 DIFile *File = getFile(); 430 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 431 { 432 DIType *Type = getDerivedType(); 433 auto *Var = DILocalVariable::get(Context, Scope, "foo", File, 434 /*LineNo=*/8, Type, /*ArgNo=*/2, Flags, 435 /*Align=*/8, nullptr); 436 std::string Expected; 437 { 438 raw_string_ostream SS(Expected); 439 Var->print(SS); 440 // indent level 1 441 Scope->print((SS << "\n").indent(2)); 442 File->print((SS << "\n").indent(2)); 443 Type->print((SS << "\n").indent(2)); 444 // indent level 2 445 auto *BaseType = cast<DIDerivedType>(Type)->getBaseType(); 446 BaseType->print((SS << "\n").indent(4)); 447 } 448 449 EXPECT_PRINTER_EQ(Expected, Var->printTree(OS)); 450 } 451 452 { 453 // Test if printTree works correctly when there is 454 // a cycle in the MDNode and its dependencies. 455 // 456 // We're trying to create type like this: 457 // struct LinkedList { 458 // LinkedList *Head; 459 // }; 460 auto *StructTy = cast<DICompositeType>(getCompositeType()); 461 DIType *PointerTy = DIDerivedType::getDistinct( 462 Context, dwarf::DW_TAG_pointer_type, "", nullptr, 0, nullptr, StructTy, 463 1, 2, 0, None, DINode::FlagZero); 464 StructTy->replaceElements(MDTuple::get(Context, PointerTy)); 465 466 auto *Var = DILocalVariable::get(Context, Scope, "foo", File, 467 /*LineNo=*/8, StructTy, /*ArgNo=*/2, Flags, 468 /*Align=*/8, nullptr); 469 std::string Expected; 470 { 471 raw_string_ostream SS(Expected); 472 Var->print(SS); 473 // indent level 1 474 Scope->print((SS << "\n").indent(2)); 475 File->print((SS << "\n").indent(2)); 476 StructTy->print((SS << "\n").indent(2)); 477 // indent level 2 478 StructTy->getRawElements()->print((SS << "\n").indent(4)); 479 // indent level 3 480 auto Elements = StructTy->getElements(); 481 Elements[0]->print((SS << "\n").indent(6)); 482 } 483 484 EXPECT_PRINTER_EQ(Expected, Var->printTree(OS)); 485 } 486 } 487 #undef EXPECT_PRINTER_EQ 488 489 TEST_F(MDNodeTest, NullOperand) { 490 // metadata !{} 491 MDNode *Empty = MDNode::get(Context, None); 492 493 // metadata !{metadata !{}} 494 Metadata *Ops[] = {Empty}; 495 MDNode *N = MDNode::get(Context, Ops); 496 ASSERT_EQ(Empty, N->getOperand(0)); 497 498 // metadata !{metadata !{}} => metadata !{null} 499 N->replaceOperandWith(0, nullptr); 500 ASSERT_EQ(nullptr, N->getOperand(0)); 501 502 // metadata !{null} 503 Ops[0] = nullptr; 504 MDNode *NullOp = MDNode::get(Context, Ops); 505 ASSERT_EQ(nullptr, NullOp->getOperand(0)); 506 EXPECT_EQ(N, NullOp); 507 } 508 509 TEST_F(MDNodeTest, DistinctOnUniquingCollision) { 510 // !{} 511 MDNode *Empty = MDNode::get(Context, None); 512 ASSERT_TRUE(Empty->isResolved()); 513 EXPECT_FALSE(Empty->isDistinct()); 514 515 // !{!{}} 516 Metadata *Wrapped1Ops[] = {Empty}; 517 MDNode *Wrapped1 = MDNode::get(Context, Wrapped1Ops); 518 ASSERT_EQ(Empty, Wrapped1->getOperand(0)); 519 ASSERT_TRUE(Wrapped1->isResolved()); 520 EXPECT_FALSE(Wrapped1->isDistinct()); 521 522 // !{!{!{}}} 523 Metadata *Wrapped2Ops[] = {Wrapped1}; 524 MDNode *Wrapped2 = MDNode::get(Context, Wrapped2Ops); 525 ASSERT_EQ(Wrapped1, Wrapped2->getOperand(0)); 526 ASSERT_TRUE(Wrapped2->isResolved()); 527 EXPECT_FALSE(Wrapped2->isDistinct()); 528 529 // !{!{!{}}} => !{!{}} 530 Wrapped2->replaceOperandWith(0, Empty); 531 ASSERT_EQ(Empty, Wrapped2->getOperand(0)); 532 EXPECT_TRUE(Wrapped2->isDistinct()); 533 EXPECT_FALSE(Wrapped1->isDistinct()); 534 } 535 536 TEST_F(MDNodeTest, UniquedOnDeletedOperand) { 537 // temp !{} 538 TempMDTuple T = MDTuple::getTemporary(Context, None); 539 540 // !{temp !{}} 541 Metadata *Ops[] = {T.get()}; 542 MDTuple *N = MDTuple::get(Context, Ops); 543 544 // !{temp !{}} => !{null} 545 T.reset(); 546 ASSERT_TRUE(N->isUniqued()); 547 Metadata *NullOps[] = {nullptr}; 548 ASSERT_EQ(N, MDTuple::get(Context, NullOps)); 549 } 550 551 TEST_F(MDNodeTest, DistinctOnDeletedValueOperand) { 552 // i1* @GV 553 Type *Ty = Type::getInt1PtrTy(Context); 554 std::unique_ptr<GlobalVariable> GV( 555 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 556 ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get()); 557 558 // !{i1* @GV} 559 Metadata *Ops[] = {Op}; 560 MDTuple *N = MDTuple::get(Context, Ops); 561 562 // !{i1* @GV} => !{null} 563 GV.reset(); 564 ASSERT_TRUE(N->isDistinct()); 565 ASSERT_EQ(nullptr, N->getOperand(0)); 566 Metadata *NullOps[] = {nullptr}; 567 ASSERT_NE(N, MDTuple::get(Context, NullOps)); 568 } 569 570 TEST_F(MDNodeTest, getDistinct) { 571 // !{} 572 MDNode *Empty = MDNode::get(Context, None); 573 ASSERT_TRUE(Empty->isResolved()); 574 ASSERT_FALSE(Empty->isDistinct()); 575 ASSERT_EQ(Empty, MDNode::get(Context, None)); 576 577 // distinct !{} 578 MDNode *Distinct1 = MDNode::getDistinct(Context, None); 579 MDNode *Distinct2 = MDNode::getDistinct(Context, None); 580 EXPECT_TRUE(Distinct1->isResolved()); 581 EXPECT_TRUE(Distinct2->isDistinct()); 582 EXPECT_NE(Empty, Distinct1); 583 EXPECT_NE(Empty, Distinct2); 584 EXPECT_NE(Distinct1, Distinct2); 585 586 // !{} 587 ASSERT_EQ(Empty, MDNode::get(Context, None)); 588 } 589 590 TEST_F(MDNodeTest, isUniqued) { 591 MDNode *U = MDTuple::get(Context, None); 592 MDNode *D = MDTuple::getDistinct(Context, None); 593 auto T = MDTuple::getTemporary(Context, None); 594 EXPECT_TRUE(U->isUniqued()); 595 EXPECT_FALSE(D->isUniqued()); 596 EXPECT_FALSE(T->isUniqued()); 597 } 598 599 TEST_F(MDNodeTest, isDistinct) { 600 MDNode *U = MDTuple::get(Context, None); 601 MDNode *D = MDTuple::getDistinct(Context, None); 602 auto T = MDTuple::getTemporary(Context, None); 603 EXPECT_FALSE(U->isDistinct()); 604 EXPECT_TRUE(D->isDistinct()); 605 EXPECT_FALSE(T->isDistinct()); 606 } 607 608 TEST_F(MDNodeTest, isTemporary) { 609 MDNode *U = MDTuple::get(Context, None); 610 MDNode *D = MDTuple::getDistinct(Context, None); 611 auto T = MDTuple::getTemporary(Context, None); 612 EXPECT_FALSE(U->isTemporary()); 613 EXPECT_FALSE(D->isTemporary()); 614 EXPECT_TRUE(T->isTemporary()); 615 } 616 617 TEST_F(MDNodeTest, getDistinctWithUnresolvedOperands) { 618 // temporary !{} 619 auto Temp = MDTuple::getTemporary(Context, None); 620 ASSERT_FALSE(Temp->isResolved()); 621 622 // distinct !{temporary !{}} 623 Metadata *Ops[] = {Temp.get()}; 624 MDNode *Distinct = MDNode::getDistinct(Context, Ops); 625 EXPECT_TRUE(Distinct->isResolved()); 626 EXPECT_EQ(Temp.get(), Distinct->getOperand(0)); 627 628 // temporary !{} => !{} 629 MDNode *Empty = MDNode::get(Context, None); 630 Temp->replaceAllUsesWith(Empty); 631 EXPECT_EQ(Empty, Distinct->getOperand(0)); 632 } 633 634 TEST_F(MDNodeTest, handleChangedOperandRecursion) { 635 // !0 = !{} 636 MDNode *N0 = MDNode::get(Context, None); 637 638 // !1 = !{!3, null} 639 auto Temp3 = MDTuple::getTemporary(Context, None); 640 Metadata *Ops1[] = {Temp3.get(), nullptr}; 641 MDNode *N1 = MDNode::get(Context, Ops1); 642 643 // !2 = !{!3, !0} 644 Metadata *Ops2[] = {Temp3.get(), N0}; 645 MDNode *N2 = MDNode::get(Context, Ops2); 646 647 // !3 = !{!2} 648 Metadata *Ops3[] = {N2}; 649 MDNode *N3 = MDNode::get(Context, Ops3); 650 Temp3->replaceAllUsesWith(N3); 651 652 // !4 = !{!1} 653 Metadata *Ops4[] = {N1}; 654 MDNode *N4 = MDNode::get(Context, Ops4); 655 656 // Confirm that the cycle prevented RAUW from getting dropped. 657 EXPECT_TRUE(N0->isResolved()); 658 EXPECT_FALSE(N1->isResolved()); 659 EXPECT_FALSE(N2->isResolved()); 660 EXPECT_FALSE(N3->isResolved()); 661 EXPECT_FALSE(N4->isResolved()); 662 663 // Create a couple of distinct nodes to observe what's going on. 664 // 665 // !5 = distinct !{!2} 666 // !6 = distinct !{!3} 667 Metadata *Ops5[] = {N2}; 668 MDNode *N5 = MDNode::getDistinct(Context, Ops5); 669 Metadata *Ops6[] = {N3}; 670 MDNode *N6 = MDNode::getDistinct(Context, Ops6); 671 672 // Mutate !2 to look like !1, causing a uniquing collision (and an RAUW). 673 // This will ripple up, with !3 colliding with !4, and RAUWing. Since !2 674 // references !3, this can cause a re-entry of handleChangedOperand() when !3 675 // is not ready for it. 676 // 677 // !2->replaceOperandWith(1, nullptr) 678 // !2: !{!3, !0} => !{!3, null} 679 // !2->replaceAllUsesWith(!1) 680 // !3: !{!2] => !{!1} 681 // !3->replaceAllUsesWith(!4) 682 N2->replaceOperandWith(1, nullptr); 683 684 // If all has gone well, N2 and N3 will have been RAUW'ed and deleted from 685 // under us. Just check that the other nodes are sane. 686 // 687 // !1 = !{!4, null} 688 // !4 = !{!1} 689 // !5 = distinct !{!1} 690 // !6 = distinct !{!4} 691 EXPECT_EQ(N4, N1->getOperand(0)); 692 EXPECT_EQ(N1, N4->getOperand(0)); 693 EXPECT_EQ(N1, N5->getOperand(0)); 694 EXPECT_EQ(N4, N6->getOperand(0)); 695 } 696 697 TEST_F(MDNodeTest, replaceResolvedOperand) { 698 // Check code for replacing one resolved operand with another. If doing this 699 // directly (via replaceOperandWith()) becomes illegal, change the operand to 700 // a global value that gets RAUW'ed. 701 // 702 // Use a temporary node to keep N from being resolved. 703 auto Temp = MDTuple::getTemporary(Context, None); 704 Metadata *Ops[] = {nullptr, Temp.get()}; 705 706 MDNode *Empty = MDTuple::get(Context, ArrayRef<Metadata *>()); 707 MDNode *N = MDTuple::get(Context, Ops); 708 EXPECT_EQ(nullptr, N->getOperand(0)); 709 ASSERT_FALSE(N->isResolved()); 710 711 // Check code for replacing resolved nodes. 712 N->replaceOperandWith(0, Empty); 713 EXPECT_EQ(Empty, N->getOperand(0)); 714 715 // Check code for adding another unresolved operand. 716 N->replaceOperandWith(0, Temp.get()); 717 EXPECT_EQ(Temp.get(), N->getOperand(0)); 718 719 // Remove the references to Temp; required for teardown. 720 Temp->replaceAllUsesWith(nullptr); 721 } 722 723 TEST_F(MDNodeTest, replaceWithUniqued) { 724 auto *Empty = MDTuple::get(Context, None); 725 MDTuple *FirstUniqued; 726 { 727 Metadata *Ops[] = {Empty}; 728 auto Temp = MDTuple::getTemporary(Context, Ops); 729 EXPECT_TRUE(Temp->isTemporary()); 730 731 // Don't expect a collision. 732 auto *Current = Temp.get(); 733 FirstUniqued = MDNode::replaceWithUniqued(std::move(Temp)); 734 EXPECT_TRUE(FirstUniqued->isUniqued()); 735 EXPECT_TRUE(FirstUniqued->isResolved()); 736 EXPECT_EQ(Current, FirstUniqued); 737 } 738 { 739 Metadata *Ops[] = {Empty}; 740 auto Temp = MDTuple::getTemporary(Context, Ops); 741 EXPECT_TRUE(Temp->isTemporary()); 742 743 // Should collide with Uniqued above this time. 744 auto *Uniqued = MDNode::replaceWithUniqued(std::move(Temp)); 745 EXPECT_TRUE(Uniqued->isUniqued()); 746 EXPECT_TRUE(Uniqued->isResolved()); 747 EXPECT_EQ(FirstUniqued, Uniqued); 748 } 749 { 750 auto Unresolved = MDTuple::getTemporary(Context, None); 751 Metadata *Ops[] = {Unresolved.get()}; 752 auto Temp = MDTuple::getTemporary(Context, Ops); 753 EXPECT_TRUE(Temp->isTemporary()); 754 755 // Shouldn't be resolved. 756 auto *Uniqued = MDNode::replaceWithUniqued(std::move(Temp)); 757 EXPECT_TRUE(Uniqued->isUniqued()); 758 EXPECT_FALSE(Uniqued->isResolved()); 759 760 // Should be a different node. 761 EXPECT_NE(FirstUniqued, Uniqued); 762 763 // Should resolve when we update its node (note: be careful to avoid a 764 // collision with any other nodes above). 765 Uniqued->replaceOperandWith(0, nullptr); 766 EXPECT_TRUE(Uniqued->isResolved()); 767 } 768 } 769 770 TEST_F(MDNodeTest, replaceWithUniquedResolvingOperand) { 771 // temp !{} 772 MDTuple *Op = MDTuple::getTemporary(Context, None).release(); 773 EXPECT_FALSE(Op->isResolved()); 774 775 // temp !{temp !{}} 776 Metadata *Ops[] = {Op}; 777 MDTuple *N = MDTuple::getTemporary(Context, Ops).release(); 778 EXPECT_FALSE(N->isResolved()); 779 780 // temp !{temp !{}} => !{temp !{}} 781 ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N))); 782 EXPECT_FALSE(N->isResolved()); 783 784 // !{temp !{}} => !{!{}} 785 ASSERT_EQ(Op, MDNode::replaceWithUniqued(TempMDTuple(Op))); 786 EXPECT_TRUE(Op->isResolved()); 787 EXPECT_TRUE(N->isResolved()); 788 } 789 790 TEST_F(MDNodeTest, replaceWithUniquedDeletedOperand) { 791 // i1* @GV 792 Type *Ty = Type::getInt1PtrTy(Context); 793 std::unique_ptr<GlobalVariable> GV( 794 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 795 ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get()); 796 797 // temp !{i1* @GV} 798 Metadata *Ops[] = {Op}; 799 MDTuple *N = MDTuple::getTemporary(Context, Ops).release(); 800 801 // temp !{i1* @GV} => !{i1* @GV} 802 ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N))); 803 ASSERT_TRUE(N->isUniqued()); 804 805 // !{i1* @GV} => !{null} 806 GV.reset(); 807 ASSERT_TRUE(N->isDistinct()); 808 ASSERT_EQ(nullptr, N->getOperand(0)); 809 Metadata *NullOps[] = {nullptr}; 810 ASSERT_NE(N, MDTuple::get(Context, NullOps)); 811 } 812 813 TEST_F(MDNodeTest, replaceWithUniquedChangedOperand) { 814 // i1* @GV 815 Type *Ty = Type::getInt1PtrTy(Context); 816 std::unique_ptr<GlobalVariable> GV( 817 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 818 ConstantAsMetadata *Op = ConstantAsMetadata::get(GV.get()); 819 820 // temp !{i1* @GV} 821 Metadata *Ops[] = {Op}; 822 MDTuple *N = MDTuple::getTemporary(Context, Ops).release(); 823 824 // temp !{i1* @GV} => !{i1* @GV} 825 ASSERT_EQ(N, MDNode::replaceWithUniqued(TempMDTuple(N))); 826 ASSERT_TRUE(N->isUniqued()); 827 828 // !{i1* @GV} => !{i1* @GV2} 829 std::unique_ptr<GlobalVariable> GV2( 830 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 831 GV->replaceAllUsesWith(GV2.get()); 832 ASSERT_TRUE(N->isUniqued()); 833 Metadata *NullOps[] = {ConstantAsMetadata::get(GV2.get())}; 834 ASSERT_EQ(N, MDTuple::get(Context, NullOps)); 835 } 836 837 TEST_F(MDNodeTest, replaceWithDistinct) { 838 { 839 auto *Empty = MDTuple::get(Context, None); 840 Metadata *Ops[] = {Empty}; 841 auto Temp = MDTuple::getTemporary(Context, Ops); 842 EXPECT_TRUE(Temp->isTemporary()); 843 844 // Don't expect a collision. 845 auto *Current = Temp.get(); 846 auto *Distinct = MDNode::replaceWithDistinct(std::move(Temp)); 847 EXPECT_TRUE(Distinct->isDistinct()); 848 EXPECT_TRUE(Distinct->isResolved()); 849 EXPECT_EQ(Current, Distinct); 850 } 851 { 852 auto Unresolved = MDTuple::getTemporary(Context, None); 853 Metadata *Ops[] = {Unresolved.get()}; 854 auto Temp = MDTuple::getTemporary(Context, Ops); 855 EXPECT_TRUE(Temp->isTemporary()); 856 857 // Don't expect a collision. 858 auto *Current = Temp.get(); 859 auto *Distinct = MDNode::replaceWithDistinct(std::move(Temp)); 860 EXPECT_TRUE(Distinct->isDistinct()); 861 EXPECT_TRUE(Distinct->isResolved()); 862 EXPECT_EQ(Current, Distinct); 863 864 // Cleanup; required for teardown. 865 Unresolved->replaceAllUsesWith(nullptr); 866 } 867 } 868 869 TEST_F(MDNodeTest, replaceWithPermanent) { 870 Metadata *Ops[] = {nullptr}; 871 auto Temp = MDTuple::getTemporary(Context, Ops); 872 auto *T = Temp.get(); 873 874 // U is a normal, uniqued node that references T. 875 auto *U = MDTuple::get(Context, T); 876 EXPECT_TRUE(U->isUniqued()); 877 878 // Make Temp self-referencing. 879 Temp->replaceOperandWith(0, T); 880 881 // Try to uniquify Temp. This should, despite the name in the API, give a 882 // 'distinct' node, since self-references aren't allowed to be uniqued. 883 // 884 // Since it's distinct, N should have the same address as when it was a 885 // temporary (i.e., be equal to T not U). 886 auto *N = MDNode::replaceWithPermanent(std::move(Temp)); 887 EXPECT_EQ(N, T); 888 EXPECT_TRUE(N->isDistinct()); 889 890 // U should be the canonical unique node with N as the argument. 891 EXPECT_EQ(U, MDTuple::get(Context, N)); 892 EXPECT_TRUE(U->isUniqued()); 893 894 // This temporary should collide with U when replaced, but it should still be 895 // uniqued. 896 EXPECT_EQ(U, MDNode::replaceWithPermanent(MDTuple::getTemporary(Context, N))); 897 EXPECT_TRUE(U->isUniqued()); 898 899 // This temporary should become a new uniqued node. 900 auto Temp2 = MDTuple::getTemporary(Context, U); 901 auto *V = Temp2.get(); 902 EXPECT_EQ(V, MDNode::replaceWithPermanent(std::move(Temp2))); 903 EXPECT_TRUE(V->isUniqued()); 904 EXPECT_EQ(U, V->getOperand(0)); 905 } 906 907 TEST_F(MDNodeTest, deleteTemporaryWithTrackingRef) { 908 TrackingMDRef Ref; 909 EXPECT_EQ(nullptr, Ref.get()); 910 { 911 auto Temp = MDTuple::getTemporary(Context, None); 912 Ref.reset(Temp.get()); 913 EXPECT_EQ(Temp.get(), Ref.get()); 914 } 915 EXPECT_EQ(nullptr, Ref.get()); 916 } 917 918 typedef MetadataTest DILocationTest; 919 920 TEST_F(DILocationTest, Overflow) { 921 DISubprogram *N = getSubprogram(); 922 { 923 DILocation *L = DILocation::get(Context, 2, 7, N); 924 EXPECT_EQ(2u, L->getLine()); 925 EXPECT_EQ(7u, L->getColumn()); 926 } 927 unsigned U16 = 1u << 16; 928 { 929 DILocation *L = DILocation::get(Context, UINT32_MAX, U16 - 1, N); 930 EXPECT_EQ(UINT32_MAX, L->getLine()); 931 EXPECT_EQ(U16 - 1, L->getColumn()); 932 } 933 { 934 DILocation *L = DILocation::get(Context, UINT32_MAX, U16, N); 935 EXPECT_EQ(UINT32_MAX, L->getLine()); 936 EXPECT_EQ(0u, L->getColumn()); 937 } 938 { 939 DILocation *L = DILocation::get(Context, UINT32_MAX, U16 + 1, N); 940 EXPECT_EQ(UINT32_MAX, L->getLine()); 941 EXPECT_EQ(0u, L->getColumn()); 942 } 943 } 944 945 TEST_F(DILocationTest, Merge) { 946 DISubprogram *N = getSubprogram(); 947 DIScope *S = DILexicalBlock::get(Context, N, getFile(), 3, 4); 948 949 { 950 // Identical. 951 auto *A = DILocation::get(Context, 2, 7, N); 952 auto *B = DILocation::get(Context, 2, 7, N); 953 auto *M = DILocation::getMergedLocation(A, B); 954 EXPECT_EQ(2u, M->getLine()); 955 EXPECT_EQ(7u, M->getColumn()); 956 EXPECT_EQ(N, M->getScope()); 957 } 958 959 { 960 // Identical, different scopes. 961 auto *A = DILocation::get(Context, 2, 7, N); 962 auto *B = DILocation::get(Context, 2, 7, S); 963 auto *M = DILocation::getMergedLocation(A, B); 964 EXPECT_EQ(0u, M->getLine()); // FIXME: Should this be 2? 965 EXPECT_EQ(0u, M->getColumn()); // FIXME: Should this be 7? 966 EXPECT_EQ(N, M->getScope()); 967 } 968 969 { 970 // Different lines, same scopes. 971 auto *A = DILocation::get(Context, 1, 6, N); 972 auto *B = DILocation::get(Context, 2, 7, N); 973 auto *M = DILocation::getMergedLocation(A, B); 974 EXPECT_EQ(0u, M->getLine()); 975 EXPECT_EQ(0u, M->getColumn()); 976 EXPECT_EQ(N, M->getScope()); 977 } 978 979 { 980 // Twisty locations, all different, same function. 981 auto *A = DILocation::get(Context, 1, 6, N); 982 auto *B = DILocation::get(Context, 2, 7, S); 983 auto *M = DILocation::getMergedLocation(A, B); 984 EXPECT_EQ(0u, M->getLine()); 985 EXPECT_EQ(0u, M->getColumn()); 986 EXPECT_EQ(N, M->getScope()); 987 } 988 989 { 990 // Different function, same inlined-at. 991 auto *F = getFile(); 992 auto *SP1 = DISubprogram::getDistinct(Context, F, "a", "a", F, 0, nullptr, 993 0, nullptr, 0, 0, DINode::FlagZero, 994 DISubprogram::SPFlagZero, nullptr); 995 auto *SP2 = DISubprogram::getDistinct(Context, F, "b", "b", F, 0, nullptr, 996 0, nullptr, 0, 0, DINode::FlagZero, 997 DISubprogram::SPFlagZero, nullptr); 998 999 auto *I = DILocation::get(Context, 2, 7, N); 1000 auto *A = DILocation::get(Context, 1, 6, SP1, I); 1001 auto *B = DILocation::get(Context, 2, 7, SP2, I); 1002 auto *M = DILocation::getMergedLocation(A, B); 1003 EXPECT_EQ(0u, M->getLine()); 1004 EXPECT_EQ(0u, M->getColumn()); 1005 EXPECT_TRUE(isa<DILocalScope>(M->getScope())); 1006 EXPECT_EQ(I, M->getInlinedAt()); 1007 } 1008 1009 { 1010 // Completely different. 1011 auto *I = DILocation::get(Context, 2, 7, N); 1012 auto *A = DILocation::get(Context, 1, 6, S, I); 1013 auto *B = DILocation::get(Context, 2, 7, getSubprogram()); 1014 auto *M = DILocation::getMergedLocation(A, B); 1015 EXPECT_EQ(0u, M->getLine()); 1016 EXPECT_EQ(0u, M->getColumn()); 1017 EXPECT_TRUE(isa<DILocalScope>(M->getScope())); 1018 EXPECT_EQ(S, M->getScope()); 1019 EXPECT_EQ(nullptr, M->getInlinedAt()); 1020 } 1021 } 1022 1023 TEST_F(DILocationTest, getDistinct) { 1024 MDNode *N = getSubprogram(); 1025 DILocation *L0 = DILocation::getDistinct(Context, 2, 7, N); 1026 EXPECT_TRUE(L0->isDistinct()); 1027 DILocation *L1 = DILocation::get(Context, 2, 7, N); 1028 EXPECT_FALSE(L1->isDistinct()); 1029 EXPECT_EQ(L1, DILocation::get(Context, 2, 7, N)); 1030 } 1031 1032 TEST_F(DILocationTest, getTemporary) { 1033 MDNode *N = MDNode::get(Context, None); 1034 auto L = DILocation::getTemporary(Context, 2, 7, N); 1035 EXPECT_TRUE(L->isTemporary()); 1036 EXPECT_FALSE(L->isResolved()); 1037 } 1038 1039 TEST_F(DILocationTest, cloneTemporary) { 1040 MDNode *N = MDNode::get(Context, None); 1041 auto L = DILocation::getTemporary(Context, 2, 7, N); 1042 EXPECT_TRUE(L->isTemporary()); 1043 auto L2 = L->clone(); 1044 EXPECT_TRUE(L2->isTemporary()); 1045 } 1046 1047 TEST_F(DILocationTest, discriminatorEncoding) { 1048 EXPECT_EQ(0U, DILocation::encodeDiscriminator(0, 0, 0).value()); 1049 1050 // Encode base discriminator as a component: lsb is 0, then the value. 1051 // The other components are all absent, so we leave all the other bits 0. 1052 EXPECT_EQ(2U, DILocation::encodeDiscriminator(1, 0, 0).value()); 1053 1054 // Base discriminator component is empty, so lsb is 1. Next component is not 1055 // empty, so its lsb is 0, then its value (1). Next component is empty. 1056 // So the bit pattern is 101. 1057 EXPECT_EQ(5U, DILocation::encodeDiscriminator(0, 1, 0).value()); 1058 1059 // First 2 components are empty, so the bit pattern is 11. Then the 1060 // next component - ending up with 1011. 1061 EXPECT_EQ(0xbU, DILocation::encodeDiscriminator(0, 0, 1).value()); 1062 1063 // The bit pattern for the first 2 components is 11. The next bit is 0, 1064 // because the last component is not empty. We have 29 bits usable for 1065 // encoding, but we cap it at 12 bits uniformously for all components. We 1066 // encode the last component over 14 bits. 1067 EXPECT_EQ(0xfffbU, DILocation::encodeDiscriminator(0, 0, 0xfff).value()); 1068 1069 EXPECT_EQ(0x102U, DILocation::encodeDiscriminator(1, 1, 0).value()); 1070 1071 EXPECT_EQ(0x13eU, DILocation::encodeDiscriminator(0x1f, 1, 0).value()); 1072 1073 EXPECT_EQ(0x87feU, DILocation::encodeDiscriminator(0x1ff, 1, 0).value()); 1074 1075 EXPECT_EQ(0x1f3eU, DILocation::encodeDiscriminator(0x1f, 0x1f, 0).value()); 1076 1077 EXPECT_EQ(0x3ff3eU, DILocation::encodeDiscriminator(0x1f, 0x1ff, 0).value()); 1078 1079 EXPECT_EQ(0x1ff87feU, 1080 DILocation::encodeDiscriminator(0x1ff, 0x1ff, 0).value()); 1081 1082 EXPECT_EQ(0xfff9f3eU, 1083 DILocation::encodeDiscriminator(0x1f, 0x1f, 0xfff).value()); 1084 1085 EXPECT_EQ(0xffc3ff3eU, 1086 DILocation::encodeDiscriminator(0x1f, 0x1ff, 0x1ff).value()); 1087 1088 EXPECT_EQ(0xffcf87feU, 1089 DILocation::encodeDiscriminator(0x1ff, 0x1f, 0x1ff).value()); 1090 1091 EXPECT_EQ(0xe1ff87feU, 1092 DILocation::encodeDiscriminator(0x1ff, 0x1ff, 7).value()); 1093 } 1094 1095 TEST_F(DILocationTest, discriminatorEncodingNegativeTests) { 1096 EXPECT_EQ(None, DILocation::encodeDiscriminator(0, 0, 0x1000)); 1097 EXPECT_EQ(None, DILocation::encodeDiscriminator(0x1000, 0, 0)); 1098 EXPECT_EQ(None, DILocation::encodeDiscriminator(0, 0x1000, 0)); 1099 EXPECT_EQ(None, DILocation::encodeDiscriminator(0, 0, 0x1000)); 1100 EXPECT_EQ(None, DILocation::encodeDiscriminator(0x1ff, 0x1ff, 8)); 1101 EXPECT_EQ(None, 1102 DILocation::encodeDiscriminator(std::numeric_limits<uint32_t>::max(), 1103 std::numeric_limits<uint32_t>::max(), 1104 0)); 1105 } 1106 1107 TEST_F(DILocationTest, discriminatorSpecialCases) { 1108 // We don't test getCopyIdentifier here because the only way 1109 // to set it is by constructing an encoded discriminator using 1110 // encodeDiscriminator, which is already tested. 1111 auto L1 = DILocation::get(Context, 1, 2, getSubprogram()); 1112 EXPECT_EQ(0U, L1->getBaseDiscriminator()); 1113 EXPECT_EQ(1U, L1->getDuplicationFactor()); 1114 1115 EXPECT_EQ(L1, L1->cloneWithBaseDiscriminator(0).value()); 1116 EXPECT_EQ(L1, L1->cloneByMultiplyingDuplicationFactor(0).value()); 1117 EXPECT_EQ(L1, L1->cloneByMultiplyingDuplicationFactor(1).value()); 1118 1119 auto L2 = L1->cloneWithBaseDiscriminator(1).value(); 1120 EXPECT_EQ(0U, L1->getBaseDiscriminator()); 1121 EXPECT_EQ(1U, L1->getDuplicationFactor()); 1122 1123 EXPECT_EQ(1U, L2->getBaseDiscriminator()); 1124 EXPECT_EQ(1U, L2->getDuplicationFactor()); 1125 1126 auto L3 = L2->cloneByMultiplyingDuplicationFactor(2).value(); 1127 EXPECT_EQ(1U, L3->getBaseDiscriminator()); 1128 EXPECT_EQ(2U, L3->getDuplicationFactor()); 1129 1130 EXPECT_EQ(L2, L2->cloneByMultiplyingDuplicationFactor(1).value()); 1131 1132 auto L4 = L3->cloneByMultiplyingDuplicationFactor(4).value(); 1133 EXPECT_EQ(1U, L4->getBaseDiscriminator()); 1134 EXPECT_EQ(8U, L4->getDuplicationFactor()); 1135 1136 auto L5 = L4->cloneWithBaseDiscriminator(2).value(); 1137 EXPECT_EQ(2U, L5->getBaseDiscriminator()); 1138 EXPECT_EQ(8U, L5->getDuplicationFactor()); 1139 1140 // Check extreme cases 1141 auto L6 = L1->cloneWithBaseDiscriminator(0xfff).value(); 1142 EXPECT_EQ(0xfffU, L6->getBaseDiscriminator()); 1143 EXPECT_EQ(0xfffU, L6->cloneByMultiplyingDuplicationFactor(0xfff) 1144 .value() 1145 ->getDuplicationFactor()); 1146 1147 // Check we return None for unencodable cases. 1148 EXPECT_EQ(None, L4->cloneWithBaseDiscriminator(0x1000)); 1149 EXPECT_EQ(None, L4->cloneByMultiplyingDuplicationFactor(0x1000)); 1150 } 1151 1152 1153 typedef MetadataTest GenericDINodeTest; 1154 1155 TEST_F(GenericDINodeTest, get) { 1156 StringRef Header = "header"; 1157 auto *Empty = MDNode::get(Context, None); 1158 Metadata *Ops1[] = {Empty}; 1159 auto *N = GenericDINode::get(Context, 15, Header, Ops1); 1160 EXPECT_EQ(15u, N->getTag()); 1161 EXPECT_EQ(2u, N->getNumOperands()); 1162 EXPECT_EQ(Header, N->getHeader()); 1163 EXPECT_EQ(MDString::get(Context, Header), N->getOperand(0)); 1164 EXPECT_EQ(1u, N->getNumDwarfOperands()); 1165 EXPECT_EQ(Empty, N->getDwarfOperand(0)); 1166 EXPECT_EQ(Empty, N->getOperand(1)); 1167 ASSERT_TRUE(N->isUniqued()); 1168 1169 EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops1)); 1170 1171 N->replaceOperandWith(1, nullptr); 1172 EXPECT_EQ(15u, N->getTag()); 1173 EXPECT_EQ(Header, N->getHeader()); 1174 EXPECT_EQ(nullptr, N->getDwarfOperand(0)); 1175 ASSERT_TRUE(N->isUniqued()); 1176 1177 Metadata *Ops2[] = {nullptr}; 1178 EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops2)); 1179 1180 N->replaceDwarfOperandWith(0, Empty); 1181 EXPECT_EQ(15u, N->getTag()); 1182 EXPECT_EQ(Header, N->getHeader()); 1183 EXPECT_EQ(Empty, N->getDwarfOperand(0)); 1184 ASSERT_TRUE(N->isUniqued()); 1185 EXPECT_EQ(N, GenericDINode::get(Context, 15, Header, Ops1)); 1186 1187 TempGenericDINode Temp = N->clone(); 1188 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1189 } 1190 1191 TEST_F(GenericDINodeTest, getEmptyHeader) { 1192 // Canonicalize !"" to null. 1193 auto *N = GenericDINode::get(Context, 15, StringRef(), None); 1194 EXPECT_EQ(StringRef(), N->getHeader()); 1195 EXPECT_EQ(nullptr, N->getOperand(0)); 1196 } 1197 1198 typedef MetadataTest DISubrangeTest; 1199 1200 TEST_F(DISubrangeTest, get) { 1201 auto *N = DISubrange::get(Context, 5, 7); 1202 auto Count = N->getCount(); 1203 auto Lower = N->getLowerBound(); 1204 EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag()); 1205 ASSERT_TRUE(Count); 1206 ASSERT_TRUE(Count.is<ConstantInt*>()); 1207 EXPECT_EQ(5, Count.get<ConstantInt*>()->getSExtValue()); 1208 EXPECT_EQ(7, Lower.get<ConstantInt *>()->getSExtValue()); 1209 EXPECT_EQ(N, DISubrange::get(Context, 5, 7)); 1210 EXPECT_EQ(DISubrange::get(Context, 5, 0), DISubrange::get(Context, 5)); 1211 1212 TempDISubrange Temp = N->clone(); 1213 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1214 } 1215 1216 TEST_F(DISubrangeTest, getEmptyArray) { 1217 auto *N = DISubrange::get(Context, -1, 0); 1218 auto Count = N->getCount(); 1219 auto Lower = N->getLowerBound(); 1220 EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag()); 1221 ASSERT_TRUE(Count); 1222 ASSERT_TRUE(Count.is<ConstantInt*>()); 1223 EXPECT_EQ(-1, Count.get<ConstantInt*>()->getSExtValue()); 1224 EXPECT_EQ(0, Lower.get<ConstantInt *>()->getSExtValue()); 1225 EXPECT_EQ(N, DISubrange::get(Context, -1, 0)); 1226 } 1227 1228 TEST_F(DISubrangeTest, getVariableCount) { 1229 DILocalScope *Scope = getSubprogram(); 1230 DIFile *File = getFile(); 1231 DIType *Type = getDerivedType(); 1232 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 1233 auto *VlaExpr = DILocalVariable::get(Context, Scope, "vla_expr", File, 8, 1234 Type, 2, Flags, 8, nullptr); 1235 1236 auto *N = DISubrange::get(Context, VlaExpr, 0); 1237 auto Count = N->getCount(); 1238 auto Lower = N->getLowerBound(); 1239 ASSERT_TRUE(Count); 1240 ASSERT_TRUE(Count.is<DIVariable*>()); 1241 EXPECT_EQ(VlaExpr, Count.get<DIVariable*>()); 1242 ASSERT_TRUE(isa<DIVariable>(N->getRawCountNode())); 1243 EXPECT_EQ(0, Lower.get<ConstantInt *>()->getSExtValue()); 1244 EXPECT_EQ("vla_expr", Count.get<DIVariable*>()->getName()); 1245 EXPECT_EQ(N, DISubrange::get(Context, VlaExpr, 0)); 1246 } 1247 1248 TEST_F(DISubrangeTest, fortranAllocatableInt) { 1249 DILocalScope *Scope = getSubprogram(); 1250 DIFile *File = getFile(); 1251 DIType *Type = getDerivedType(); 1252 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 1253 auto *LI = ConstantAsMetadata::get( 1254 ConstantInt::getSigned(Type::getInt64Ty(Context), -10)); 1255 auto *UI = ConstantAsMetadata::get( 1256 ConstantInt::getSigned(Type::getInt64Ty(Context), 10)); 1257 auto *SI = ConstantAsMetadata::get( 1258 ConstantInt::getSigned(Type::getInt64Ty(Context), 4)); 1259 auto *UIother = ConstantAsMetadata::get( 1260 ConstantInt::getSigned(Type::getInt64Ty(Context), 20)); 1261 auto *UVother = DILocalVariable::get(Context, Scope, "ubother", File, 8, Type, 1262 2, Flags, 8, nullptr); 1263 auto *UEother = DIExpression::get(Context, {5, 6}); 1264 auto *LIZero = ConstantAsMetadata::get( 1265 ConstantInt::getSigned(Type::getInt64Ty(Context), 0)); 1266 auto *UIZero = ConstantAsMetadata::get( 1267 ConstantInt::getSigned(Type::getInt64Ty(Context), 0)); 1268 1269 auto *N = DISubrange::get(Context, nullptr, LI, UI, SI); 1270 1271 auto Lower = N->getLowerBound(); 1272 ASSERT_TRUE(Lower); 1273 ASSERT_TRUE(Lower.is<ConstantInt *>()); 1274 EXPECT_EQ(cast<ConstantInt>(LI->getValue()), Lower.get<ConstantInt *>()); 1275 1276 auto Upper = N->getUpperBound(); 1277 ASSERT_TRUE(Upper); 1278 ASSERT_TRUE(Upper.is<ConstantInt *>()); 1279 EXPECT_EQ(cast<ConstantInt>(UI->getValue()), Upper.get<ConstantInt *>()); 1280 1281 auto Stride = N->getStride(); 1282 ASSERT_TRUE(Stride); 1283 ASSERT_TRUE(Stride.is<ConstantInt *>()); 1284 EXPECT_EQ(cast<ConstantInt>(SI->getValue()), Stride.get<ConstantInt *>()); 1285 1286 EXPECT_EQ(N, DISubrange::get(Context, nullptr, LI, UI, SI)); 1287 1288 EXPECT_NE(N, DISubrange::get(Context, nullptr, LI, UIother, SI)); 1289 EXPECT_NE(N, DISubrange::get(Context, nullptr, LI, UEother, SI)); 1290 EXPECT_NE(N, DISubrange::get(Context, nullptr, LI, UVother, SI)); 1291 1292 auto *NZeroLower = DISubrange::get(Context, nullptr, LIZero, UI, SI); 1293 EXPECT_NE(NZeroLower, DISubrange::get(Context, nullptr, nullptr, UI, SI)); 1294 1295 auto *NZeroUpper = DISubrange::get(Context, nullptr, LI, UIZero, SI); 1296 EXPECT_NE(NZeroUpper, DISubrange::get(Context, nullptr, LI, nullptr, SI)); 1297 } 1298 1299 TEST_F(DISubrangeTest, fortranAllocatableVar) { 1300 DILocalScope *Scope = getSubprogram(); 1301 DIFile *File = getFile(); 1302 DIType *Type = getDerivedType(); 1303 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 1304 auto *LV = 1305 DILocalVariable::get(Context, Scope, "lb", File, 8, Type, 2, Flags, 8, 1306 nullptr); 1307 auto *UV = 1308 DILocalVariable::get(Context, Scope, "ub", File, 8, Type, 2, Flags, 8, 1309 nullptr); 1310 auto *SV = 1311 DILocalVariable::get(Context, Scope, "st", File, 8, Type, 2, Flags, 8, 1312 nullptr); 1313 auto *SVother = DILocalVariable::get(Context, Scope, "stother", File, 8, Type, 1314 2, Flags, 8, nullptr); 1315 auto *SIother = ConstantAsMetadata::get( 1316 ConstantInt::getSigned(Type::getInt64Ty(Context), 20)); 1317 auto *SEother = DIExpression::get(Context, {5, 6}); 1318 1319 auto *N = DISubrange::get(Context, nullptr, LV, UV, SV); 1320 1321 auto Lower = N->getLowerBound(); 1322 ASSERT_TRUE(Lower); 1323 ASSERT_TRUE(Lower.is<DIVariable *>()); 1324 EXPECT_EQ(LV, Lower.get<DIVariable *>()); 1325 1326 auto Upper = N->getUpperBound(); 1327 ASSERT_TRUE(Upper); 1328 ASSERT_TRUE(Upper.is<DIVariable *>()); 1329 EXPECT_EQ(UV, Upper.get<DIVariable *>()); 1330 1331 auto Stride = N->getStride(); 1332 ASSERT_TRUE(Stride); 1333 ASSERT_TRUE(Stride.is<DIVariable *>()); 1334 EXPECT_EQ(SV, Stride.get<DIVariable *>()); 1335 1336 EXPECT_EQ(N, DISubrange::get(Context, nullptr, LV, UV, SV)); 1337 1338 EXPECT_NE(N, DISubrange::get(Context, nullptr, LV, UV, SVother)); 1339 EXPECT_NE(N, DISubrange::get(Context, nullptr, LV, UV, SEother)); 1340 EXPECT_NE(N, DISubrange::get(Context, nullptr, LV, UV, SIother)); 1341 } 1342 1343 TEST_F(DISubrangeTest, fortranAllocatableExpr) { 1344 DILocalScope *Scope = getSubprogram(); 1345 DIFile *File = getFile(); 1346 DIType *Type = getDerivedType(); 1347 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 1348 auto *LE = DIExpression::get(Context, {1, 2}); 1349 auto *UE = DIExpression::get(Context, {2, 3}); 1350 auto *SE = DIExpression::get(Context, {3, 4}); 1351 auto *LEother = DIExpression::get(Context, {5, 6}); 1352 auto *LIother = ConstantAsMetadata::get( 1353 ConstantInt::getSigned(Type::getInt64Ty(Context), 20)); 1354 auto *LVother = DILocalVariable::get(Context, Scope, "lbother", File, 8, Type, 1355 2, Flags, 8, nullptr); 1356 1357 auto *N = DISubrange::get(Context, nullptr, LE, UE, SE); 1358 1359 auto Lower = N->getLowerBound(); 1360 ASSERT_TRUE(Lower); 1361 ASSERT_TRUE(Lower.is<DIExpression *>()); 1362 EXPECT_EQ(LE, Lower.get<DIExpression *>()); 1363 1364 auto Upper = N->getUpperBound(); 1365 ASSERT_TRUE(Upper); 1366 ASSERT_TRUE(Upper.is<DIExpression *>()); 1367 EXPECT_EQ(UE, Upper.get<DIExpression *>()); 1368 1369 auto Stride = N->getStride(); 1370 ASSERT_TRUE(Stride); 1371 ASSERT_TRUE(Stride.is<DIExpression *>()); 1372 EXPECT_EQ(SE, Stride.get<DIExpression *>()); 1373 1374 EXPECT_EQ(N, DISubrange::get(Context, nullptr, LE, UE, SE)); 1375 1376 EXPECT_NE(N, DISubrange::get(Context, nullptr, LEother, UE, SE)); 1377 EXPECT_NE(N, DISubrange::get(Context, nullptr, LIother, UE, SE)); 1378 EXPECT_NE(N, DISubrange::get(Context, nullptr, LVother, UE, SE)); 1379 } 1380 1381 typedef MetadataTest DIGenericSubrangeTest; 1382 1383 TEST_F(DIGenericSubrangeTest, fortranAssumedRankInt) { 1384 DILocalScope *Scope = getSubprogram(); 1385 DIFile *File = getFile(); 1386 DIType *Type = getDerivedType(); 1387 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 1388 auto *LI = DIExpression::get( 1389 Context, {dwarf::DW_OP_consts, static_cast<uint64_t>(-10)}); 1390 auto *UI = DIExpression::get(Context, {dwarf::DW_OP_consts, 10}); 1391 auto *SI = DIExpression::get(Context, {dwarf::DW_OP_consts, 4}); 1392 auto *UIother = DIExpression::get(Context, {dwarf::DW_OP_consts, 20}); 1393 auto *UVother = DILocalVariable::get(Context, Scope, "ubother", File, 8, Type, 1394 2, Flags, 8, nullptr); 1395 auto *UEother = DIExpression::get(Context, {5, 6}); 1396 auto *LIZero = DIExpression::get(Context, {dwarf::DW_OP_consts, 0}); 1397 auto *UIZero = DIExpression::get(Context, {dwarf::DW_OP_consts, 0}); 1398 1399 auto *N = DIGenericSubrange::get(Context, nullptr, LI, UI, SI); 1400 1401 auto Lower = N->getLowerBound(); 1402 ASSERT_TRUE(Lower); 1403 ASSERT_TRUE(Lower.is<DIExpression *>()); 1404 EXPECT_EQ(dyn_cast_or_null<DIExpression>(LI), Lower.get<DIExpression *>()); 1405 1406 auto Upper = N->getUpperBound(); 1407 ASSERT_TRUE(Upper); 1408 ASSERT_TRUE(Upper.is<DIExpression *>()); 1409 EXPECT_EQ(dyn_cast_or_null<DIExpression>(UI), Upper.get<DIExpression *>()); 1410 1411 auto Stride = N->getStride(); 1412 ASSERT_TRUE(Stride); 1413 ASSERT_TRUE(Stride.is<DIExpression *>()); 1414 EXPECT_EQ(dyn_cast_or_null<DIExpression>(SI), Stride.get<DIExpression *>()); 1415 1416 EXPECT_EQ(N, DIGenericSubrange::get(Context, nullptr, LI, UI, SI)); 1417 1418 EXPECT_NE(N, DIGenericSubrange::get(Context, nullptr, LI, UIother, SI)); 1419 EXPECT_NE(N, DIGenericSubrange::get(Context, nullptr, LI, UEother, SI)); 1420 EXPECT_NE(N, DIGenericSubrange::get(Context, nullptr, LI, UVother, SI)); 1421 1422 auto *NZeroLower = DIGenericSubrange::get(Context, nullptr, LIZero, UI, SI); 1423 EXPECT_NE(NZeroLower, 1424 DIGenericSubrange::get(Context, nullptr, nullptr, UI, SI)); 1425 1426 auto *NZeroUpper = DIGenericSubrange::get(Context, nullptr, LI, UIZero, SI); 1427 EXPECT_NE(NZeroUpper, 1428 DIGenericSubrange::get(Context, nullptr, LI, nullptr, SI)); 1429 } 1430 1431 TEST_F(DIGenericSubrangeTest, fortranAssumedRankVar) { 1432 DILocalScope *Scope = getSubprogram(); 1433 DIFile *File = getFile(); 1434 DIType *Type = getDerivedType(); 1435 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 1436 auto *LV = 1437 DILocalVariable::get(Context, Scope, "lb", File, 8, Type, 2, Flags, 8, 1438 nullptr); 1439 auto *UV = 1440 DILocalVariable::get(Context, Scope, "ub", File, 8, Type, 2, Flags, 8, 1441 nullptr); 1442 auto *SV = 1443 DILocalVariable::get(Context, Scope, "st", File, 8, Type, 2, Flags, 8, 1444 nullptr); 1445 auto *SVother = DILocalVariable::get(Context, Scope, "stother", File, 8, Type, 1446 2, Flags, 8, nullptr); 1447 auto *SIother = DIExpression::get( 1448 Context, {dwarf::DW_OP_consts, static_cast<uint64_t>(-1)}); 1449 auto *SEother = DIExpression::get(Context, {5, 6}); 1450 1451 auto *N = DIGenericSubrange::get(Context, nullptr, LV, UV, SV); 1452 1453 auto Lower = N->getLowerBound(); 1454 ASSERT_TRUE(Lower); 1455 ASSERT_TRUE(Lower.is<DIVariable *>()); 1456 EXPECT_EQ(LV, Lower.get<DIVariable *>()); 1457 1458 auto Upper = N->getUpperBound(); 1459 ASSERT_TRUE(Upper); 1460 ASSERT_TRUE(Upper.is<DIVariable *>()); 1461 EXPECT_EQ(UV, Upper.get<DIVariable *>()); 1462 1463 auto Stride = N->getStride(); 1464 ASSERT_TRUE(Stride); 1465 ASSERT_TRUE(Stride.is<DIVariable *>()); 1466 EXPECT_EQ(SV, Stride.get<DIVariable *>()); 1467 1468 EXPECT_EQ(N, DIGenericSubrange::get(Context, nullptr, LV, UV, SV)); 1469 1470 EXPECT_NE(N, DIGenericSubrange::get(Context, nullptr, LV, UV, SVother)); 1471 EXPECT_NE(N, DIGenericSubrange::get(Context, nullptr, LV, UV, SEother)); 1472 EXPECT_NE(N, DIGenericSubrange::get(Context, nullptr, LV, UV, SIother)); 1473 } 1474 1475 TEST_F(DIGenericSubrangeTest, useDIBuilder) { 1476 DILocalScope *Scope = getSubprogram(); 1477 DIFile *File = getFile(); 1478 DIType *Type = getDerivedType(); 1479 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 1480 auto *LV = 1481 DILocalVariable::get(Context, Scope, "lb", File, 8, Type, 2, Flags, 8, nullptr); 1482 auto *UE = DIExpression::get(Context, {2, 3}); 1483 auto *SE = DIExpression::get(Context, {3, 4}); 1484 1485 auto *LVother = DILocalVariable::get(Context, Scope, "lbother", File, 8, Type, 1486 2, Flags, 8, nullptr); 1487 auto *LIother = DIExpression::get( 1488 Context, {dwarf::DW_OP_consts, static_cast<uint64_t>(-1)}); 1489 1490 Module M("M", Context); 1491 DIBuilder DIB(M); 1492 1493 auto *N = DIB.getOrCreateGenericSubrange( 1494 DIGenericSubrange::BoundType(nullptr), DIGenericSubrange::BoundType(LV), 1495 DIGenericSubrange::BoundType(UE), DIGenericSubrange::BoundType(SE)); 1496 1497 auto Lower = N->getLowerBound(); 1498 ASSERT_TRUE(Lower); 1499 ASSERT_TRUE(Lower.is<DIVariable *>()); 1500 EXPECT_EQ(LV, Lower.get<DIVariable *>()); 1501 1502 auto Upper = N->getUpperBound(); 1503 ASSERT_TRUE(Upper); 1504 ASSERT_TRUE(Upper.is<DIExpression *>()); 1505 EXPECT_EQ(UE, Upper.get<DIExpression *>()); 1506 1507 auto Stride = N->getStride(); 1508 ASSERT_TRUE(Stride); 1509 ASSERT_TRUE(Stride.is<DIExpression *>()); 1510 EXPECT_EQ(SE, Stride.get<DIExpression *>()); 1511 1512 EXPECT_EQ( 1513 N, DIB.getOrCreateGenericSubrange(DIGenericSubrange::BoundType(nullptr), 1514 DIGenericSubrange::BoundType(LV), 1515 DIGenericSubrange::BoundType(UE), 1516 DIGenericSubrange::BoundType(SE))); 1517 1518 EXPECT_NE( 1519 N, DIB.getOrCreateGenericSubrange(DIGenericSubrange::BoundType(nullptr), 1520 DIGenericSubrange::BoundType(LVother), 1521 DIGenericSubrange::BoundType(UE), 1522 DIGenericSubrange::BoundType(SE))); 1523 EXPECT_NE( 1524 N, DIB.getOrCreateGenericSubrange(DIGenericSubrange::BoundType(nullptr), 1525 DIGenericSubrange::BoundType(LIother), 1526 DIGenericSubrange::BoundType(UE), 1527 DIGenericSubrange::BoundType(SE))); 1528 } 1529 typedef MetadataTest DIEnumeratorTest; 1530 1531 TEST_F(DIEnumeratorTest, get) { 1532 auto *N = DIEnumerator::get(Context, 7, false, "name"); 1533 EXPECT_EQ(dwarf::DW_TAG_enumerator, N->getTag()); 1534 EXPECT_EQ(7, N->getValue().getSExtValue()); 1535 EXPECT_FALSE(N->isUnsigned()); 1536 EXPECT_EQ("name", N->getName()); 1537 EXPECT_EQ(N, DIEnumerator::get(Context, 7, false, "name")); 1538 1539 EXPECT_NE(N, DIEnumerator::get(Context, 7, true, "name")); 1540 EXPECT_NE(N, DIEnumerator::get(Context, 8, false, "name")); 1541 EXPECT_NE(N, DIEnumerator::get(Context, 7, false, "nam")); 1542 1543 TempDIEnumerator Temp = N->clone(); 1544 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1545 } 1546 1547 TEST_F(DIEnumeratorTest, getWithLargeValues) { 1548 auto *N = DIEnumerator::get(Context, APInt::getMaxValue(128), false, "val"); 1549 EXPECT_EQ(128U, N->getValue().countPopulation()); 1550 EXPECT_EQ(N, 1551 DIEnumerator::get(Context, APInt::getMaxValue(128), false, "val")); 1552 EXPECT_NE(N, 1553 DIEnumerator::get(Context, APInt::getMinValue(128), false, "val")); 1554 } 1555 1556 typedef MetadataTest DIBasicTypeTest; 1557 1558 TEST_F(DIBasicTypeTest, get) { 1559 auto *N = 1560 DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 26, 7, 1561 DINode::FlagZero); 1562 EXPECT_EQ(dwarf::DW_TAG_base_type, N->getTag()); 1563 EXPECT_EQ("special", N->getName()); 1564 EXPECT_EQ(33u, N->getSizeInBits()); 1565 EXPECT_EQ(26u, N->getAlignInBits()); 1566 EXPECT_EQ(7u, N->getEncoding()); 1567 EXPECT_EQ(0u, N->getLine()); 1568 EXPECT_EQ(DINode::FlagZero, N->getFlags()); 1569 EXPECT_EQ(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 1570 26, 7, DINode::FlagZero)); 1571 1572 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type, 1573 "special", 33, 26, 7, DINode::FlagZero)); 1574 EXPECT_NE(N, 1575 DIBasicType::get(Context, dwarf::DW_TAG_base_type, "s", 33, 26, 7, 1576 DINode::FlagZero)); 1577 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 32, 1578 26, 7, DINode::FlagZero)); 1579 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 1580 25, 7, DINode::FlagZero)); 1581 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 1582 26, 6, DINode::FlagZero)); 1583 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 1584 26, 7, DINode::FlagBigEndian)); 1585 EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 1586 26, 7, DINode::FlagLittleEndian)); 1587 1588 TempDIBasicType Temp = N->clone(); 1589 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1590 } 1591 1592 TEST_F(DIBasicTypeTest, getWithLargeValues) { 1593 auto *N = DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 1594 UINT64_MAX, UINT32_MAX - 1, 7, DINode::FlagZero); 1595 EXPECT_EQ(UINT64_MAX, N->getSizeInBits()); 1596 EXPECT_EQ(UINT32_MAX - 1, N->getAlignInBits()); 1597 } 1598 1599 TEST_F(DIBasicTypeTest, getUnspecified) { 1600 auto *N = 1601 DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type, "unspecified"); 1602 EXPECT_EQ(dwarf::DW_TAG_unspecified_type, N->getTag()); 1603 EXPECT_EQ("unspecified", N->getName()); 1604 EXPECT_EQ(0u, N->getSizeInBits()); 1605 EXPECT_EQ(0u, N->getAlignInBits()); 1606 EXPECT_EQ(0u, N->getEncoding()); 1607 EXPECT_EQ(0u, N->getLine()); 1608 EXPECT_EQ(DINode::FlagZero, N->getFlags()); 1609 } 1610 1611 typedef MetadataTest DITypeTest; 1612 1613 TEST_F(DITypeTest, clone) { 1614 // Check that DIType has a specialized clone that returns TempDIType. 1615 DIType *N = DIBasicType::get(Context, dwarf::DW_TAG_base_type, "int", 32, 32, 1616 dwarf::DW_ATE_signed, DINode::FlagZero); 1617 1618 TempDIType Temp = N->clone(); 1619 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1620 } 1621 1622 TEST_F(DITypeTest, cloneWithFlags) { 1623 // void (void) 1624 Metadata *TypesOps[] = {nullptr}; 1625 Metadata *Types = MDTuple::get(Context, TypesOps); 1626 1627 DIType *D = 1628 DISubroutineType::getDistinct(Context, DINode::FlagZero, 0, Types); 1629 EXPECT_EQ(DINode::FlagZero, D->getFlags()); 1630 TempDIType D2 = D->cloneWithFlags(DINode::FlagRValueReference); 1631 EXPECT_EQ(DINode::FlagRValueReference, D2->getFlags()); 1632 EXPECT_EQ(DINode::FlagZero, D->getFlags()); 1633 1634 TempDIType T = 1635 DISubroutineType::getTemporary(Context, DINode::FlagZero, 0, Types); 1636 EXPECT_EQ(DINode::FlagZero, T->getFlags()); 1637 TempDIType T2 = T->cloneWithFlags(DINode::FlagRValueReference); 1638 EXPECT_EQ(DINode::FlagRValueReference, T2->getFlags()); 1639 EXPECT_EQ(DINode::FlagZero, T->getFlags()); 1640 } 1641 1642 typedef MetadataTest DIDerivedTypeTest; 1643 1644 TEST_F(DIDerivedTypeTest, get) { 1645 DIFile *File = getFile(); 1646 DIScope *Scope = getSubprogram(); 1647 DIType *BaseType = getBasicType("basic"); 1648 MDTuple *ExtraData = getTuple(); 1649 unsigned DWARFAddressSpace = 8; 1650 DINode::DIFlags Flags5 = static_cast<DINode::DIFlags>(5); 1651 DINode::DIFlags Flags4 = static_cast<DINode::DIFlags>(4); 1652 1653 auto *N = 1654 DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "something", File, 1655 1, Scope, BaseType, 2, 3, 4, DWARFAddressSpace, Flags5, 1656 ExtraData); 1657 EXPECT_EQ(dwarf::DW_TAG_pointer_type, N->getTag()); 1658 EXPECT_EQ("something", N->getName()); 1659 EXPECT_EQ(File, N->getFile()); 1660 EXPECT_EQ(1u, N->getLine()); 1661 EXPECT_EQ(Scope, N->getScope()); 1662 EXPECT_EQ(BaseType, N->getBaseType()); 1663 EXPECT_EQ(2u, N->getSizeInBits()); 1664 EXPECT_EQ(3u, N->getAlignInBits()); 1665 EXPECT_EQ(4u, N->getOffsetInBits()); 1666 EXPECT_EQ(DWARFAddressSpace, *N->getDWARFAddressSpace()); 1667 EXPECT_EQ(5u, N->getFlags()); 1668 EXPECT_EQ(ExtraData, N->getExtraData()); 1669 EXPECT_EQ(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1670 "something", File, 1, Scope, BaseType, 2, 3, 1671 4, DWARFAddressSpace, Flags5, ExtraData)); 1672 1673 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_reference_type, 1674 "something", File, 1, Scope, BaseType, 2, 3, 1675 4, DWARFAddressSpace, Flags5, ExtraData)); 1676 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, "else", 1677 File, 1, Scope, BaseType, 2, 3, 1678 4, DWARFAddressSpace, Flags5, ExtraData)); 1679 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1680 "something", getFile(), 1, Scope, BaseType, 2, 1681 3, 4, DWARFAddressSpace, Flags5, ExtraData)); 1682 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1683 "something", File, 2, Scope, BaseType, 2, 3, 1684 4, DWARFAddressSpace, Flags5, ExtraData)); 1685 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1686 "something", File, 1, getSubprogram(), 1687 BaseType, 2, 3, 4, DWARFAddressSpace, Flags5, 1688 ExtraData)); 1689 EXPECT_NE(N, DIDerivedType::get( 1690 Context, dwarf::DW_TAG_pointer_type, "something", File, 1, 1691 Scope, getBasicType("basic2"), 2, 3, 4, DWARFAddressSpace, 1692 Flags5, ExtraData)); 1693 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1694 "something", File, 1, Scope, BaseType, 3, 3, 1695 4, DWARFAddressSpace, Flags5, ExtraData)); 1696 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1697 "something", File, 1, Scope, BaseType, 2, 2, 1698 4, DWARFAddressSpace, Flags5, ExtraData)); 1699 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1700 "something", File, 1, Scope, BaseType, 2, 3, 1701 5, DWARFAddressSpace, Flags5, ExtraData)); 1702 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1703 "something", File, 1, Scope, BaseType, 2, 3, 1704 4, DWARFAddressSpace + 1, Flags5, ExtraData)); 1705 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1706 "something", File, 1, Scope, BaseType, 2, 3, 1707 4, DWARFAddressSpace, Flags4, ExtraData)); 1708 EXPECT_NE(N, DIDerivedType::get(Context, dwarf::DW_TAG_pointer_type, 1709 "something", File, 1, Scope, BaseType, 2, 3, 1710 4, DWARFAddressSpace, Flags5, getTuple())); 1711 1712 TempDIDerivedType Temp = N->clone(); 1713 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1714 } 1715 1716 TEST_F(DIDerivedTypeTest, getWithLargeValues) { 1717 DIFile *File = getFile(); 1718 DIScope *Scope = getSubprogram(); 1719 DIType *BaseType = getBasicType("basic"); 1720 MDTuple *ExtraData = getTuple(); 1721 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1722 1723 auto *N = DIDerivedType::get( 1724 Context, dwarf::DW_TAG_pointer_type, "something", File, 1, Scope, 1725 BaseType, UINT64_MAX, UINT32_MAX - 1, UINT64_MAX - 2, UINT32_MAX - 3, 1726 Flags, ExtraData); 1727 EXPECT_EQ(UINT64_MAX, N->getSizeInBits()); 1728 EXPECT_EQ(UINT32_MAX - 1, N->getAlignInBits()); 1729 EXPECT_EQ(UINT64_MAX - 2, N->getOffsetInBits()); 1730 EXPECT_EQ(UINT32_MAX - 3, *N->getDWARFAddressSpace()); 1731 } 1732 1733 typedef MetadataTest DICompositeTypeTest; 1734 1735 TEST_F(DICompositeTypeTest, get) { 1736 unsigned Tag = dwarf::DW_TAG_structure_type; 1737 StringRef Name = "some name"; 1738 DIFile *File = getFile(); 1739 unsigned Line = 1; 1740 DIScope *Scope = getSubprogram(); 1741 DIType *BaseType = getCompositeType(); 1742 uint64_t SizeInBits = 2; 1743 uint32_t AlignInBits = 3; 1744 uint64_t OffsetInBits = 4; 1745 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1746 MDTuple *Elements = getTuple(); 1747 unsigned RuntimeLang = 6; 1748 DIType *VTableHolder = getCompositeType(); 1749 MDTuple *TemplateParams = getTuple(); 1750 StringRef Identifier = "some id"; 1751 1752 auto *N = DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1753 BaseType, SizeInBits, AlignInBits, 1754 OffsetInBits, Flags, Elements, RuntimeLang, 1755 VTableHolder, TemplateParams, Identifier); 1756 EXPECT_EQ(Tag, N->getTag()); 1757 EXPECT_EQ(Name, N->getName()); 1758 EXPECT_EQ(File, N->getFile()); 1759 EXPECT_EQ(Line, N->getLine()); 1760 EXPECT_EQ(Scope, N->getScope()); 1761 EXPECT_EQ(BaseType, N->getBaseType()); 1762 EXPECT_EQ(SizeInBits, N->getSizeInBits()); 1763 EXPECT_EQ(AlignInBits, N->getAlignInBits()); 1764 EXPECT_EQ(OffsetInBits, N->getOffsetInBits()); 1765 EXPECT_EQ(Flags, N->getFlags()); 1766 EXPECT_EQ(Elements, N->getElements().get()); 1767 EXPECT_EQ(RuntimeLang, N->getRuntimeLang()); 1768 EXPECT_EQ(VTableHolder, N->getVTableHolder()); 1769 EXPECT_EQ(TemplateParams, N->getTemplateParams().get()); 1770 EXPECT_EQ(Identifier, N->getIdentifier()); 1771 1772 EXPECT_EQ(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1773 BaseType, SizeInBits, AlignInBits, 1774 OffsetInBits, Flags, Elements, RuntimeLang, 1775 VTableHolder, TemplateParams, Identifier)); 1776 1777 EXPECT_NE(N, DICompositeType::get(Context, Tag + 1, Name, File, Line, Scope, 1778 BaseType, SizeInBits, AlignInBits, 1779 OffsetInBits, Flags, Elements, RuntimeLang, 1780 VTableHolder, TemplateParams, Identifier)); 1781 EXPECT_NE(N, DICompositeType::get(Context, Tag, "abc", File, Line, Scope, 1782 BaseType, SizeInBits, AlignInBits, 1783 OffsetInBits, Flags, Elements, RuntimeLang, 1784 VTableHolder, TemplateParams, Identifier)); 1785 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, getFile(), Line, Scope, 1786 BaseType, SizeInBits, AlignInBits, 1787 OffsetInBits, Flags, Elements, RuntimeLang, 1788 VTableHolder, TemplateParams, Identifier)); 1789 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line + 1, Scope, 1790 BaseType, SizeInBits, AlignInBits, 1791 OffsetInBits, Flags, Elements, RuntimeLang, 1792 VTableHolder, TemplateParams, Identifier)); 1793 EXPECT_NE(N, DICompositeType::get( 1794 Context, Tag, Name, File, Line, getSubprogram(), BaseType, 1795 SizeInBits, AlignInBits, OffsetInBits, Flags, Elements, 1796 RuntimeLang, VTableHolder, TemplateParams, Identifier)); 1797 EXPECT_NE(N, DICompositeType::get( 1798 Context, Tag, Name, File, Line, Scope, getBasicType("other"), 1799 SizeInBits, AlignInBits, OffsetInBits, Flags, Elements, 1800 RuntimeLang, VTableHolder, TemplateParams, Identifier)); 1801 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1802 BaseType, SizeInBits + 1, AlignInBits, 1803 OffsetInBits, Flags, Elements, RuntimeLang, 1804 VTableHolder, TemplateParams, Identifier)); 1805 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1806 BaseType, SizeInBits, AlignInBits + 1, 1807 OffsetInBits, Flags, Elements, RuntimeLang, 1808 VTableHolder, TemplateParams, Identifier)); 1809 EXPECT_NE(N, DICompositeType::get( 1810 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1811 AlignInBits, OffsetInBits + 1, Flags, Elements, RuntimeLang, 1812 VTableHolder, TemplateParams, Identifier)); 1813 DINode::DIFlags FlagsPOne = static_cast<DINode::DIFlags>(Flags + 1); 1814 EXPECT_NE(N, DICompositeType::get( 1815 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1816 AlignInBits, OffsetInBits, FlagsPOne, Elements, RuntimeLang, 1817 VTableHolder, TemplateParams, Identifier)); 1818 EXPECT_NE(N, DICompositeType::get( 1819 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1820 AlignInBits, OffsetInBits, Flags, getTuple(), RuntimeLang, 1821 VTableHolder, TemplateParams, Identifier)); 1822 EXPECT_NE(N, DICompositeType::get( 1823 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1824 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang + 1, 1825 VTableHolder, TemplateParams, Identifier)); 1826 EXPECT_NE(N, DICompositeType::get( 1827 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, 1828 AlignInBits, OffsetInBits, Flags, Elements, RuntimeLang, 1829 getCompositeType(), TemplateParams, Identifier)); 1830 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1831 BaseType, SizeInBits, AlignInBits, 1832 OffsetInBits, Flags, Elements, RuntimeLang, 1833 VTableHolder, getTuple(), Identifier)); 1834 EXPECT_NE(N, DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1835 BaseType, SizeInBits, AlignInBits, 1836 OffsetInBits, Flags, Elements, RuntimeLang, 1837 VTableHolder, TemplateParams, "other")); 1838 1839 // Be sure that missing identifiers get null pointers. 1840 EXPECT_FALSE(DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1841 BaseType, SizeInBits, AlignInBits, 1842 OffsetInBits, Flags, Elements, RuntimeLang, 1843 VTableHolder, TemplateParams, "") 1844 ->getRawIdentifier()); 1845 EXPECT_FALSE(DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1846 BaseType, SizeInBits, AlignInBits, 1847 OffsetInBits, Flags, Elements, RuntimeLang, 1848 VTableHolder, TemplateParams) 1849 ->getRawIdentifier()); 1850 1851 TempDICompositeType Temp = N->clone(); 1852 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 1853 } 1854 1855 TEST_F(DICompositeTypeTest, getWithLargeValues) { 1856 unsigned Tag = dwarf::DW_TAG_structure_type; 1857 StringRef Name = "some name"; 1858 DIFile *File = getFile(); 1859 unsigned Line = 1; 1860 DIScope *Scope = getSubprogram(); 1861 DIType *BaseType = getCompositeType(); 1862 uint64_t SizeInBits = UINT64_MAX; 1863 uint32_t AlignInBits = UINT32_MAX - 1; 1864 uint64_t OffsetInBits = UINT64_MAX - 2; 1865 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1866 MDTuple *Elements = getTuple(); 1867 unsigned RuntimeLang = 6; 1868 DIType *VTableHolder = getCompositeType(); 1869 MDTuple *TemplateParams = getTuple(); 1870 StringRef Identifier = "some id"; 1871 1872 auto *N = DICompositeType::get(Context, Tag, Name, File, Line, Scope, 1873 BaseType, SizeInBits, AlignInBits, 1874 OffsetInBits, Flags, Elements, RuntimeLang, 1875 VTableHolder, TemplateParams, Identifier); 1876 EXPECT_EQ(SizeInBits, N->getSizeInBits()); 1877 EXPECT_EQ(AlignInBits, N->getAlignInBits()); 1878 EXPECT_EQ(OffsetInBits, N->getOffsetInBits()); 1879 } 1880 1881 TEST_F(DICompositeTypeTest, replaceOperands) { 1882 unsigned Tag = dwarf::DW_TAG_structure_type; 1883 StringRef Name = "some name"; 1884 DIFile *File = getFile(); 1885 unsigned Line = 1; 1886 DIScope *Scope = getSubprogram(); 1887 DIType *BaseType = getCompositeType(); 1888 uint64_t SizeInBits = 2; 1889 uint32_t AlignInBits = 3; 1890 uint64_t OffsetInBits = 4; 1891 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1892 unsigned RuntimeLang = 6; 1893 StringRef Identifier = "some id"; 1894 1895 auto *N = DICompositeType::get( 1896 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 1897 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier); 1898 1899 auto *Elements = MDTuple::getDistinct(Context, None); 1900 EXPECT_EQ(nullptr, N->getElements().get()); 1901 N->replaceElements(Elements); 1902 EXPECT_EQ(Elements, N->getElements().get()); 1903 N->replaceElements(nullptr); 1904 EXPECT_EQ(nullptr, N->getElements().get()); 1905 1906 DIType *VTableHolder = getCompositeType(); 1907 EXPECT_EQ(nullptr, N->getVTableHolder()); 1908 N->replaceVTableHolder(VTableHolder); 1909 EXPECT_EQ(VTableHolder, N->getVTableHolder()); 1910 // As an extension, the containing type can be anything. This is 1911 // used by Rust to associate vtables with their concrete type. 1912 DIType *BasicType = getBasicType("basic"); 1913 N->replaceVTableHolder(BasicType); 1914 EXPECT_EQ(BasicType, N->getVTableHolder()); 1915 N->replaceVTableHolder(nullptr); 1916 EXPECT_EQ(nullptr, N->getVTableHolder()); 1917 1918 auto *TemplateParams = MDTuple::getDistinct(Context, None); 1919 EXPECT_EQ(nullptr, N->getTemplateParams().get()); 1920 N->replaceTemplateParams(TemplateParams); 1921 EXPECT_EQ(TemplateParams, N->getTemplateParams().get()); 1922 N->replaceTemplateParams(nullptr); 1923 EXPECT_EQ(nullptr, N->getTemplateParams().get()); 1924 } 1925 1926 TEST_F(DICompositeTypeTest, variant_part) { 1927 unsigned Tag = dwarf::DW_TAG_variant_part; 1928 StringRef Name = "some name"; 1929 DIFile *File = getFile(); 1930 unsigned Line = 1; 1931 DIScope *Scope = getSubprogram(); 1932 DIType *BaseType = getCompositeType(); 1933 uint64_t SizeInBits = 2; 1934 uint32_t AlignInBits = 3; 1935 uint64_t OffsetInBits = 4; 1936 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(5); 1937 unsigned RuntimeLang = 6; 1938 StringRef Identifier = "some id"; 1939 DIDerivedType *Discriminator = cast<DIDerivedType>(getDerivedType()); 1940 DIDerivedType *Discriminator2 = cast<DIDerivedType>(getDerivedType()); 1941 1942 EXPECT_NE(Discriminator, Discriminator2); 1943 1944 auto *N = DICompositeType::get( 1945 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 1946 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 1947 Discriminator); 1948 1949 // Test the hashing. 1950 auto *Same = DICompositeType::get( 1951 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 1952 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 1953 Discriminator); 1954 auto *Other = DICompositeType::get( 1955 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 1956 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 1957 Discriminator2); 1958 auto *NoDisc = DICompositeType::get( 1959 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 1960 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 1961 nullptr); 1962 1963 EXPECT_EQ(N, Same); 1964 EXPECT_NE(Same, Other); 1965 EXPECT_NE(Same, NoDisc); 1966 EXPECT_NE(Other, NoDisc); 1967 1968 EXPECT_EQ(N->getDiscriminator(), Discriminator); 1969 } 1970 1971 TEST_F(DICompositeTypeTest, dynamicArray) { 1972 unsigned Tag = dwarf::DW_TAG_array_type; 1973 StringRef Name = "some name"; 1974 DIFile *File = getFile(); 1975 unsigned Line = 1; 1976 DILocalScope *Scope = getSubprogram(); 1977 DIType *BaseType = getCompositeType(); 1978 uint64_t SizeInBits = 32; 1979 uint32_t AlignInBits = 32; 1980 uint64_t OffsetInBits = 4; 1981 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(3); 1982 unsigned RuntimeLang = 6; 1983 StringRef Identifier = "some id"; 1984 DIType *Type = getDerivedType(); 1985 Metadata *DlVar1 = DILocalVariable::get(Context, Scope, "dl_var1", File, 8, 1986 Type, 2, Flags, 8, nullptr); 1987 Metadata *DlVar2 = DILocalVariable::get(Context, Scope, "dl_var2", File, 8, 1988 Type, 2, Flags, 8, nullptr); 1989 uint64_t Elements1[] = {dwarf::DW_OP_push_object_address, dwarf::DW_OP_deref}; 1990 Metadata *DataLocation1 = DIExpression::get(Context, Elements1); 1991 1992 uint64_t Elements2[] = {dwarf::DW_OP_constu, 0}; 1993 Metadata *DataLocation2 = DIExpression::get(Context, Elements2); 1994 1995 uint64_t Elements3[] = {dwarf::DW_OP_constu, 3}; 1996 Metadata *Rank1 = DIExpression::get(Context, Elements3); 1997 1998 uint64_t Elements4[] = {dwarf::DW_OP_constu, 4}; 1999 Metadata *Rank2 = DIExpression::get(Context, Elements4); 2000 2001 ConstantInt *RankInt1 = ConstantInt::get(Context, APInt(7, 0)); 2002 ConstantAsMetadata *RankConst1 = ConstantAsMetadata::get(RankInt1); 2003 ConstantInt *RankInt2 = ConstantInt::get(Context, APInt(6, 0)); 2004 ConstantAsMetadata *RankConst2 = ConstantAsMetadata::get(RankInt2); 2005 auto *N1 = DICompositeType::get( 2006 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2007 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2008 nullptr, DlVar1); 2009 2010 auto *Same1 = DICompositeType::get( 2011 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2012 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2013 nullptr, DlVar1); 2014 2015 auto *Other1 = DICompositeType::get( 2016 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2017 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2018 nullptr, DlVar2); 2019 2020 EXPECT_EQ(N1, Same1); 2021 EXPECT_NE(Same1, Other1); 2022 EXPECT_EQ(N1->getDataLocation(), DlVar1); 2023 2024 auto *N2 = DICompositeType::get( 2025 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2026 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2027 nullptr, DataLocation1); 2028 2029 auto *Same2 = DICompositeType::get( 2030 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2031 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2032 nullptr, DataLocation1); 2033 2034 auto *Other2 = DICompositeType::get( 2035 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2036 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2037 nullptr, DataLocation2); 2038 2039 EXPECT_EQ(N2, Same2); 2040 EXPECT_NE(Same2, Other2); 2041 EXPECT_EQ(N2->getDataLocationExp(), DataLocation1); 2042 2043 auto *N3 = DICompositeType::get( 2044 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2045 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2046 nullptr, DataLocation1, nullptr, nullptr, Rank1); 2047 2048 auto *Same3 = DICompositeType::get( 2049 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2050 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2051 nullptr, DataLocation1, nullptr, nullptr, Rank1); 2052 2053 auto *Other3 = DICompositeType::get( 2054 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2055 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2056 nullptr, DataLocation1, nullptr, nullptr, Rank2); 2057 2058 EXPECT_EQ(N3, Same3); 2059 EXPECT_NE(Same3, Other3); 2060 EXPECT_EQ(N3->getRankExp(), Rank1); 2061 2062 auto *N4 = DICompositeType::get( 2063 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2064 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2065 nullptr, DataLocation1, nullptr, nullptr, RankConst1); 2066 2067 auto *Same4 = DICompositeType::get( 2068 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2069 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2070 nullptr, DataLocation1, nullptr, nullptr, RankConst1); 2071 2072 auto *Other4 = DICompositeType::get( 2073 Context, Tag, Name, File, Line, Scope, BaseType, SizeInBits, AlignInBits, 2074 OffsetInBits, Flags, nullptr, RuntimeLang, nullptr, nullptr, Identifier, 2075 nullptr, DataLocation1, nullptr, nullptr, RankConst2); 2076 2077 EXPECT_EQ(N4, Same4); 2078 EXPECT_NE(Same4, Other4); 2079 EXPECT_EQ(N4->getRankConst(), RankInt1); 2080 } 2081 2082 typedef MetadataTest DISubroutineTypeTest; 2083 2084 TEST_F(DISubroutineTypeTest, get) { 2085 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(1); 2086 DINode::DIFlags FlagsPOne = static_cast<DINode::DIFlags>(Flags + 1); 2087 MDTuple *TypeArray = getTuple(); 2088 2089 auto *N = DISubroutineType::get(Context, Flags, 0, TypeArray); 2090 EXPECT_EQ(dwarf::DW_TAG_subroutine_type, N->getTag()); 2091 EXPECT_EQ(Flags, N->getFlags()); 2092 EXPECT_EQ(TypeArray, N->getTypeArray().get()); 2093 EXPECT_EQ(N, DISubroutineType::get(Context, Flags, 0, TypeArray)); 2094 2095 EXPECT_NE(N, DISubroutineType::get(Context, FlagsPOne, 0, TypeArray)); 2096 EXPECT_NE(N, DISubroutineType::get(Context, Flags, 0, getTuple())); 2097 2098 // Test the hashing of calling conventions. 2099 auto *Fast = DISubroutineType::get( 2100 Context, Flags, dwarf::DW_CC_BORLAND_msfastcall, TypeArray); 2101 auto *Std = DISubroutineType::get(Context, Flags, 2102 dwarf::DW_CC_BORLAND_stdcall, TypeArray); 2103 EXPECT_EQ(Fast, 2104 DISubroutineType::get(Context, Flags, 2105 dwarf::DW_CC_BORLAND_msfastcall, TypeArray)); 2106 EXPECT_EQ(Std, DISubroutineType::get( 2107 Context, Flags, dwarf::DW_CC_BORLAND_stdcall, TypeArray)); 2108 2109 EXPECT_NE(N, Fast); 2110 EXPECT_NE(N, Std); 2111 EXPECT_NE(Fast, Std); 2112 2113 TempDISubroutineType Temp = N->clone(); 2114 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2115 2116 // Test always-empty operands. 2117 EXPECT_EQ(nullptr, N->getScope()); 2118 EXPECT_EQ(nullptr, N->getFile()); 2119 EXPECT_EQ("", N->getName()); 2120 } 2121 2122 typedef MetadataTest DIFileTest; 2123 2124 TEST_F(DIFileTest, get) { 2125 StringRef Filename = "file"; 2126 StringRef Directory = "dir"; 2127 DIFile::ChecksumKind CSKind = DIFile::ChecksumKind::CSK_MD5; 2128 StringRef ChecksumString = "000102030405060708090a0b0c0d0e0f"; 2129 DIFile::ChecksumInfo<StringRef> Checksum(CSKind, ChecksumString); 2130 StringRef Source = "source"; 2131 auto *N = DIFile::get(Context, Filename, Directory, Checksum, Source); 2132 2133 EXPECT_EQ(dwarf::DW_TAG_file_type, N->getTag()); 2134 EXPECT_EQ(Filename, N->getFilename()); 2135 EXPECT_EQ(Directory, N->getDirectory()); 2136 EXPECT_EQ(Checksum, N->getChecksum()); 2137 EXPECT_EQ(Source, N->getSource()); 2138 EXPECT_EQ(N, DIFile::get(Context, Filename, Directory, Checksum, Source)); 2139 2140 EXPECT_NE(N, DIFile::get(Context, "other", Directory, Checksum, Source)); 2141 EXPECT_NE(N, DIFile::get(Context, Filename, "other", Checksum, Source)); 2142 DIFile::ChecksumInfo<StringRef> OtherChecksum(DIFile::ChecksumKind::CSK_SHA1, ChecksumString); 2143 EXPECT_NE( 2144 N, DIFile::get(Context, Filename, Directory, OtherChecksum)); 2145 StringRef OtherSource = "other"; 2146 EXPECT_NE(N, DIFile::get(Context, Filename, Directory, Checksum, OtherSource)); 2147 EXPECT_NE(N, DIFile::get(Context, Filename, Directory, Checksum)); 2148 EXPECT_NE(N, DIFile::get(Context, Filename, Directory)); 2149 2150 TempDIFile Temp = N->clone(); 2151 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2152 } 2153 2154 TEST_F(DIFileTest, ScopeGetFile) { 2155 // Ensure that DIScope::getFile() returns itself. 2156 DIScope *N = DIFile::get(Context, "file", "dir"); 2157 EXPECT_EQ(N, N->getFile()); 2158 } 2159 2160 typedef MetadataTest DICompileUnitTest; 2161 2162 TEST_F(DICompileUnitTest, get) { 2163 unsigned SourceLanguage = 1; 2164 DIFile *File = getFile(); 2165 StringRef Producer = "some producer"; 2166 bool IsOptimized = false; 2167 StringRef Flags = "flag after flag"; 2168 unsigned RuntimeVersion = 2; 2169 StringRef SplitDebugFilename = "another/file"; 2170 auto EmissionKind = DICompileUnit::FullDebug; 2171 MDTuple *EnumTypes = getTuple(); 2172 MDTuple *RetainedTypes = getTuple(); 2173 MDTuple *GlobalVariables = getTuple(); 2174 MDTuple *ImportedEntities = getTuple(); 2175 uint64_t DWOId = 0x10000000c0ffee; 2176 MDTuple *Macros = getTuple(); 2177 StringRef SysRoot = "/"; 2178 StringRef SDK = "MacOSX.sdk"; 2179 auto *N = DICompileUnit::getDistinct( 2180 Context, SourceLanguage, File, Producer, IsOptimized, Flags, 2181 RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes, 2182 RetainedTypes, GlobalVariables, ImportedEntities, Macros, DWOId, true, 2183 false, DICompileUnit::DebugNameTableKind::Default, false, SysRoot, SDK); 2184 2185 EXPECT_EQ(dwarf::DW_TAG_compile_unit, N->getTag()); 2186 EXPECT_EQ(SourceLanguage, N->getSourceLanguage()); 2187 EXPECT_EQ(File, N->getFile()); 2188 EXPECT_EQ(Producer, N->getProducer()); 2189 EXPECT_EQ(IsOptimized, N->isOptimized()); 2190 EXPECT_EQ(Flags, N->getFlags()); 2191 EXPECT_EQ(RuntimeVersion, N->getRuntimeVersion()); 2192 EXPECT_EQ(SplitDebugFilename, N->getSplitDebugFilename()); 2193 EXPECT_EQ(EmissionKind, N->getEmissionKind()); 2194 EXPECT_EQ(EnumTypes, N->getEnumTypes().get()); 2195 EXPECT_EQ(RetainedTypes, N->getRetainedTypes().get()); 2196 EXPECT_EQ(GlobalVariables, N->getGlobalVariables().get()); 2197 EXPECT_EQ(ImportedEntities, N->getImportedEntities().get()); 2198 EXPECT_EQ(Macros, N->getMacros().get()); 2199 EXPECT_EQ(DWOId, N->getDWOId()); 2200 EXPECT_EQ(SysRoot, N->getSysRoot()); 2201 EXPECT_EQ(SDK, N->getSDK()); 2202 2203 TempDICompileUnit Temp = N->clone(); 2204 EXPECT_EQ(dwarf::DW_TAG_compile_unit, Temp->getTag()); 2205 EXPECT_EQ(SourceLanguage, Temp->getSourceLanguage()); 2206 EXPECT_EQ(File, Temp->getFile()); 2207 EXPECT_EQ(Producer, Temp->getProducer()); 2208 EXPECT_EQ(IsOptimized, Temp->isOptimized()); 2209 EXPECT_EQ(Flags, Temp->getFlags()); 2210 EXPECT_EQ(RuntimeVersion, Temp->getRuntimeVersion()); 2211 EXPECT_EQ(SplitDebugFilename, Temp->getSplitDebugFilename()); 2212 EXPECT_EQ(EmissionKind, Temp->getEmissionKind()); 2213 EXPECT_EQ(EnumTypes, Temp->getEnumTypes().get()); 2214 EXPECT_EQ(RetainedTypes, Temp->getRetainedTypes().get()); 2215 EXPECT_EQ(GlobalVariables, Temp->getGlobalVariables().get()); 2216 EXPECT_EQ(ImportedEntities, Temp->getImportedEntities().get()); 2217 EXPECT_EQ(Macros, Temp->getMacros().get()); 2218 EXPECT_EQ(SysRoot, Temp->getSysRoot()); 2219 EXPECT_EQ(SDK, Temp->getSDK()); 2220 2221 auto *TempAddress = Temp.get(); 2222 auto *Clone = MDNode::replaceWithPermanent(std::move(Temp)); 2223 EXPECT_TRUE(Clone->isDistinct()); 2224 EXPECT_EQ(TempAddress, Clone); 2225 } 2226 2227 TEST_F(DICompileUnitTest, replaceArrays) { 2228 unsigned SourceLanguage = 1; 2229 DIFile *File = getFile(); 2230 StringRef Producer = "some producer"; 2231 bool IsOptimized = false; 2232 StringRef Flags = "flag after flag"; 2233 unsigned RuntimeVersion = 2; 2234 StringRef SplitDebugFilename = "another/file"; 2235 auto EmissionKind = DICompileUnit::FullDebug; 2236 MDTuple *EnumTypes = MDTuple::getDistinct(Context, None); 2237 MDTuple *RetainedTypes = MDTuple::getDistinct(Context, None); 2238 MDTuple *ImportedEntities = MDTuple::getDistinct(Context, None); 2239 uint64_t DWOId = 0xc0ffee; 2240 StringRef SysRoot = "/"; 2241 StringRef SDK = "MacOSX.sdk"; 2242 auto *N = DICompileUnit::getDistinct( 2243 Context, SourceLanguage, File, Producer, IsOptimized, Flags, 2244 RuntimeVersion, SplitDebugFilename, EmissionKind, EnumTypes, 2245 RetainedTypes, nullptr, ImportedEntities, nullptr, DWOId, true, false, 2246 DICompileUnit::DebugNameTableKind::Default, false, SysRoot, SDK); 2247 2248 auto *GlobalVariables = MDTuple::getDistinct(Context, None); 2249 EXPECT_EQ(nullptr, N->getGlobalVariables().get()); 2250 N->replaceGlobalVariables(GlobalVariables); 2251 EXPECT_EQ(GlobalVariables, N->getGlobalVariables().get()); 2252 N->replaceGlobalVariables(nullptr); 2253 EXPECT_EQ(nullptr, N->getGlobalVariables().get()); 2254 2255 auto *Macros = MDTuple::getDistinct(Context, None); 2256 EXPECT_EQ(nullptr, N->getMacros().get()); 2257 N->replaceMacros(Macros); 2258 EXPECT_EQ(Macros, N->getMacros().get()); 2259 N->replaceMacros(nullptr); 2260 EXPECT_EQ(nullptr, N->getMacros().get()); 2261 } 2262 2263 typedef MetadataTest DISubprogramTest; 2264 2265 TEST_F(DISubprogramTest, get) { 2266 DIScope *Scope = getCompositeType(); 2267 StringRef Name = "name"; 2268 StringRef LinkageName = "linkage"; 2269 DIFile *File = getFile(); 2270 unsigned Line = 2; 2271 DISubroutineType *Type = getSubroutineType(); 2272 bool IsLocalToUnit = false; 2273 bool IsDefinition = true; 2274 unsigned ScopeLine = 3; 2275 DIType *ContainingType = getCompositeType(); 2276 unsigned Virtuality = 2; 2277 unsigned VirtualIndex = 5; 2278 int ThisAdjustment = -3; 2279 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(6); 2280 bool IsOptimized = false; 2281 MDTuple *TemplateParams = getTuple(); 2282 DISubprogram *Declaration = getSubprogram(); 2283 MDTuple *RetainedNodes = getTuple(); 2284 MDTuple *ThrownTypes = getTuple(); 2285 MDTuple *Annotations = getTuple(); 2286 StringRef TargetFuncName = "target"; 2287 DICompileUnit *Unit = getUnit(); 2288 DISubprogram::DISPFlags SPFlags = 2289 static_cast<DISubprogram::DISPFlags>(Virtuality); 2290 assert(!IsLocalToUnit && IsDefinition && !IsOptimized && 2291 "bools and SPFlags have to match"); 2292 SPFlags |= DISubprogram::SPFlagDefinition; 2293 2294 auto *N = DISubprogram::get( 2295 Context, Scope, Name, LinkageName, File, Line, Type, ScopeLine, 2296 ContainingType, VirtualIndex, ThisAdjustment, Flags, SPFlags, Unit, 2297 TemplateParams, Declaration, RetainedNodes, ThrownTypes, Annotations, 2298 TargetFuncName); 2299 2300 EXPECT_EQ(dwarf::DW_TAG_subprogram, N->getTag()); 2301 EXPECT_EQ(Scope, N->getScope()); 2302 EXPECT_EQ(Name, N->getName()); 2303 EXPECT_EQ(LinkageName, N->getLinkageName()); 2304 EXPECT_EQ(File, N->getFile()); 2305 EXPECT_EQ(Line, N->getLine()); 2306 EXPECT_EQ(Type, N->getType()); 2307 EXPECT_EQ(IsLocalToUnit, N->isLocalToUnit()); 2308 EXPECT_EQ(IsDefinition, N->isDefinition()); 2309 EXPECT_EQ(ScopeLine, N->getScopeLine()); 2310 EXPECT_EQ(ContainingType, N->getContainingType()); 2311 EXPECT_EQ(Virtuality, N->getVirtuality()); 2312 EXPECT_EQ(VirtualIndex, N->getVirtualIndex()); 2313 EXPECT_EQ(ThisAdjustment, N->getThisAdjustment()); 2314 EXPECT_EQ(Flags, N->getFlags()); 2315 EXPECT_EQ(IsOptimized, N->isOptimized()); 2316 EXPECT_EQ(Unit, N->getUnit()); 2317 EXPECT_EQ(TemplateParams, N->getTemplateParams().get()); 2318 EXPECT_EQ(Declaration, N->getDeclaration()); 2319 EXPECT_EQ(RetainedNodes, N->getRetainedNodes().get()); 2320 EXPECT_EQ(ThrownTypes, N->getThrownTypes().get()); 2321 EXPECT_EQ(Annotations, N->getAnnotations().get()); 2322 EXPECT_EQ(TargetFuncName, N->getTargetFuncName()); 2323 EXPECT_EQ(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2324 Type, ScopeLine, ContainingType, VirtualIndex, 2325 ThisAdjustment, Flags, SPFlags, Unit, 2326 TemplateParams, Declaration, RetainedNodes, 2327 ThrownTypes, Annotations, TargetFuncName)); 2328 2329 EXPECT_NE(N, DISubprogram::get(Context, getCompositeType(), Name, LinkageName, 2330 File, Line, Type, ScopeLine, ContainingType, 2331 VirtualIndex, ThisAdjustment, Flags, SPFlags, 2332 Unit, TemplateParams, Declaration, 2333 RetainedNodes, ThrownTypes, Annotations, 2334 TargetFuncName)); 2335 EXPECT_NE(N, DISubprogram::get(Context, Scope, "other", LinkageName, File, 2336 Line, Type, ScopeLine, ContainingType, 2337 VirtualIndex, ThisAdjustment, Flags, SPFlags, 2338 Unit, TemplateParams, Declaration, 2339 RetainedNodes, ThrownTypes, Annotations, 2340 TargetFuncName)); 2341 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, "other", File, Line, 2342 Type, ScopeLine, ContainingType, VirtualIndex, 2343 ThisAdjustment, Flags, SPFlags, Unit, 2344 TemplateParams, Declaration, RetainedNodes, 2345 ThrownTypes, Annotations, TargetFuncName)); 2346 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, getFile(), 2347 Line, Type, ScopeLine, ContainingType, 2348 VirtualIndex, ThisAdjustment, Flags, SPFlags, 2349 Unit, TemplateParams, Declaration, 2350 RetainedNodes, ThrownTypes, Annotations, 2351 TargetFuncName)); 2352 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, 2353 Line + 1, Type, ScopeLine, ContainingType, 2354 VirtualIndex, ThisAdjustment, Flags, SPFlags, 2355 Unit, TemplateParams, Declaration, 2356 RetainedNodes, ThrownTypes, Annotations, 2357 TargetFuncName)); 2358 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2359 getSubroutineType(), ScopeLine, ContainingType, 2360 VirtualIndex, ThisAdjustment, Flags, SPFlags, 2361 Unit, TemplateParams, Declaration, 2362 RetainedNodes, ThrownTypes, Annotations, 2363 TargetFuncName)); 2364 EXPECT_NE(N, DISubprogram::get( 2365 Context, Scope, Name, LinkageName, File, Line, Type, 2366 ScopeLine, ContainingType, VirtualIndex, ThisAdjustment, 2367 Flags, SPFlags ^ DISubprogram::SPFlagLocalToUnit, Unit, 2368 TemplateParams, Declaration, RetainedNodes, ThrownTypes, 2369 Annotations, TargetFuncName)); 2370 EXPECT_NE(N, DISubprogram::get( 2371 Context, Scope, Name, LinkageName, File, Line, Type, 2372 ScopeLine, ContainingType, VirtualIndex, ThisAdjustment, 2373 Flags, SPFlags ^ DISubprogram::SPFlagDefinition, Unit, 2374 TemplateParams, Declaration, RetainedNodes, ThrownTypes, 2375 Annotations, TargetFuncName)); 2376 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2377 Type, ScopeLine + 1, ContainingType, 2378 VirtualIndex, ThisAdjustment, Flags, SPFlags, 2379 Unit, TemplateParams, Declaration, 2380 RetainedNodes, ThrownTypes, Annotations, 2381 TargetFuncName)); 2382 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2383 Type, ScopeLine, getCompositeType(), 2384 VirtualIndex, ThisAdjustment, Flags, SPFlags, 2385 Unit, TemplateParams, Declaration, 2386 RetainedNodes, ThrownTypes, Annotations, 2387 TargetFuncName)); 2388 EXPECT_NE(N, DISubprogram::get( 2389 Context, Scope, Name, LinkageName, File, Line, Type, 2390 ScopeLine, ContainingType, VirtualIndex, ThisAdjustment, 2391 Flags, SPFlags ^ DISubprogram::SPFlagVirtual, Unit, 2392 TemplateParams, Declaration, RetainedNodes, ThrownTypes, 2393 Annotations, TargetFuncName)); 2394 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2395 Type, ScopeLine, ContainingType, 2396 VirtualIndex + 1, ThisAdjustment, Flags, 2397 SPFlags, Unit, TemplateParams, Declaration, 2398 RetainedNodes, ThrownTypes, Annotations, 2399 TargetFuncName)); 2400 EXPECT_NE(N, DISubprogram::get( 2401 Context, Scope, Name, LinkageName, File, Line, Type, 2402 ScopeLine, ContainingType, VirtualIndex, ThisAdjustment, 2403 Flags, SPFlags ^ DISubprogram::SPFlagOptimized, Unit, 2404 TemplateParams, Declaration, RetainedNodes, ThrownTypes, 2405 Annotations, TargetFuncName)); 2406 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2407 Type, ScopeLine, ContainingType, VirtualIndex, 2408 ThisAdjustment, Flags, SPFlags, nullptr, 2409 TemplateParams, Declaration, RetainedNodes, 2410 ThrownTypes, Annotations, TargetFuncName)); 2411 EXPECT_NE(N, 2412 DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2413 Type, ScopeLine, ContainingType, VirtualIndex, 2414 ThisAdjustment, Flags, SPFlags, Unit, getTuple(), 2415 Declaration, RetainedNodes, ThrownTypes, 2416 Annotations, TargetFuncName)); 2417 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2418 Type, ScopeLine, ContainingType, VirtualIndex, 2419 ThisAdjustment, Flags, SPFlags, Unit, 2420 TemplateParams, getSubprogram(), RetainedNodes, 2421 ThrownTypes, Annotations, TargetFuncName)); 2422 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2423 Type, ScopeLine, ContainingType, VirtualIndex, 2424 ThisAdjustment, Flags, SPFlags, Unit, 2425 TemplateParams, Declaration, getTuple(), 2426 ThrownTypes, Annotations, TargetFuncName)); 2427 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2428 Type, ScopeLine, ContainingType, VirtualIndex, 2429 ThisAdjustment, Flags, SPFlags, Unit, 2430 TemplateParams, Declaration, RetainedNodes, 2431 getTuple(), Annotations, TargetFuncName)); 2432 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2433 Type, ScopeLine, ContainingType, VirtualIndex, 2434 ThisAdjustment, Flags, SPFlags, Unit, 2435 TemplateParams, Declaration, RetainedNodes, 2436 ThrownTypes, getTuple(), TargetFuncName)); 2437 EXPECT_NE(N, DISubprogram::get(Context, Scope, Name, LinkageName, File, Line, 2438 Type, ScopeLine, ContainingType, VirtualIndex, 2439 ThisAdjustment, Flags, SPFlags, Unit, 2440 TemplateParams, Declaration, RetainedNodes, 2441 ThrownTypes, Annotations, "other")); 2442 2443 TempDISubprogram Temp = N->clone(); 2444 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2445 } 2446 2447 typedef MetadataTest DILexicalBlockTest; 2448 2449 TEST_F(DILexicalBlockTest, get) { 2450 DILocalScope *Scope = getSubprogram(); 2451 DIFile *File = getFile(); 2452 unsigned Line = 5; 2453 unsigned Column = 8; 2454 2455 auto *N = DILexicalBlock::get(Context, Scope, File, Line, Column); 2456 2457 EXPECT_EQ(dwarf::DW_TAG_lexical_block, N->getTag()); 2458 EXPECT_EQ(Scope, N->getScope()); 2459 EXPECT_EQ(File, N->getFile()); 2460 EXPECT_EQ(Line, N->getLine()); 2461 EXPECT_EQ(Column, N->getColumn()); 2462 EXPECT_EQ(N, DILexicalBlock::get(Context, Scope, File, Line, Column)); 2463 2464 EXPECT_NE(N, 2465 DILexicalBlock::get(Context, getSubprogram(), File, Line, Column)); 2466 EXPECT_NE(N, DILexicalBlock::get(Context, Scope, getFile(), Line, Column)); 2467 EXPECT_NE(N, DILexicalBlock::get(Context, Scope, File, Line + 1, Column)); 2468 EXPECT_NE(N, DILexicalBlock::get(Context, Scope, File, Line, Column + 1)); 2469 2470 TempDILexicalBlock Temp = N->clone(); 2471 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2472 } 2473 2474 TEST_F(DILexicalBlockTest, Overflow) { 2475 DISubprogram *SP = getSubprogram(); 2476 DIFile *F = getFile(); 2477 { 2478 auto *LB = DILexicalBlock::get(Context, SP, F, 2, 7); 2479 EXPECT_EQ(2u, LB->getLine()); 2480 EXPECT_EQ(7u, LB->getColumn()); 2481 } 2482 unsigned U16 = 1u << 16; 2483 { 2484 auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16 - 1); 2485 EXPECT_EQ(UINT32_MAX, LB->getLine()); 2486 EXPECT_EQ(U16 - 1, LB->getColumn()); 2487 } 2488 { 2489 auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16); 2490 EXPECT_EQ(UINT32_MAX, LB->getLine()); 2491 EXPECT_EQ(0u, LB->getColumn()); 2492 } 2493 { 2494 auto *LB = DILexicalBlock::get(Context, SP, F, UINT32_MAX, U16 + 1); 2495 EXPECT_EQ(UINT32_MAX, LB->getLine()); 2496 EXPECT_EQ(0u, LB->getColumn()); 2497 } 2498 } 2499 2500 typedef MetadataTest DILexicalBlockFileTest; 2501 2502 TEST_F(DILexicalBlockFileTest, get) { 2503 DILocalScope *Scope = getSubprogram(); 2504 DIFile *File = getFile(); 2505 unsigned Discriminator = 5; 2506 2507 auto *N = DILexicalBlockFile::get(Context, Scope, File, Discriminator); 2508 2509 EXPECT_EQ(dwarf::DW_TAG_lexical_block, N->getTag()); 2510 EXPECT_EQ(Scope, N->getScope()); 2511 EXPECT_EQ(File, N->getFile()); 2512 EXPECT_EQ(Discriminator, N->getDiscriminator()); 2513 EXPECT_EQ(N, DILexicalBlockFile::get(Context, Scope, File, Discriminator)); 2514 2515 EXPECT_NE(N, DILexicalBlockFile::get(Context, getSubprogram(), File, 2516 Discriminator)); 2517 EXPECT_NE(N, 2518 DILexicalBlockFile::get(Context, Scope, getFile(), Discriminator)); 2519 EXPECT_NE(N, 2520 DILexicalBlockFile::get(Context, Scope, File, Discriminator + 1)); 2521 2522 TempDILexicalBlockFile Temp = N->clone(); 2523 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2524 } 2525 2526 typedef MetadataTest DINamespaceTest; 2527 2528 TEST_F(DINamespaceTest, get) { 2529 DIScope *Scope = getFile(); 2530 StringRef Name = "namespace"; 2531 bool ExportSymbols = true; 2532 2533 auto *N = DINamespace::get(Context, Scope, Name, ExportSymbols); 2534 2535 EXPECT_EQ(dwarf::DW_TAG_namespace, N->getTag()); 2536 EXPECT_EQ(Scope, N->getScope()); 2537 EXPECT_EQ(Name, N->getName()); 2538 EXPECT_EQ(N, DINamespace::get(Context, Scope, Name, ExportSymbols)); 2539 EXPECT_NE(N, DINamespace::get(Context, getFile(), Name, ExportSymbols)); 2540 EXPECT_NE(N, DINamespace::get(Context, Scope, "other", ExportSymbols)); 2541 EXPECT_NE(N, DINamespace::get(Context, Scope, Name, !ExportSymbols)); 2542 2543 TempDINamespace Temp = N->clone(); 2544 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2545 } 2546 2547 typedef MetadataTest DIModuleTest; 2548 2549 TEST_F(DIModuleTest, get) { 2550 DIFile *File = getFile(); 2551 DIScope *Scope = getFile(); 2552 StringRef Name = "module"; 2553 StringRef ConfigMacro = "-DNDEBUG"; 2554 StringRef Includes = "-I."; 2555 StringRef APINotes = "/tmp/m.apinotes"; 2556 unsigned LineNo = 4; 2557 bool IsDecl = true; 2558 2559 auto *N = DIModule::get(Context, File, Scope, Name, ConfigMacro, Includes, 2560 APINotes, LineNo, IsDecl); 2561 2562 EXPECT_EQ(dwarf::DW_TAG_module, N->getTag()); 2563 EXPECT_EQ(File, N->getFile()); 2564 EXPECT_EQ(Scope, N->getScope()); 2565 EXPECT_EQ(Name, N->getName()); 2566 EXPECT_EQ(ConfigMacro, N->getConfigurationMacros()); 2567 EXPECT_EQ(Includes, N->getIncludePath()); 2568 EXPECT_EQ(APINotes, N->getAPINotesFile()); 2569 EXPECT_EQ(LineNo, N->getLineNo()); 2570 EXPECT_EQ(IsDecl, N->getIsDecl()); 2571 EXPECT_EQ(N, DIModule::get(Context, File, Scope, Name, ConfigMacro, Includes, 2572 APINotes, LineNo, IsDecl)); 2573 EXPECT_NE(N, DIModule::get(Context, getFile(), getFile(), Name, ConfigMacro, 2574 Includes, APINotes, LineNo, IsDecl)); 2575 EXPECT_NE(N, DIModule::get(Context, File, Scope, "other", ConfigMacro, 2576 Includes, APINotes, LineNo, IsDecl)); 2577 EXPECT_NE(N, DIModule::get(Context, File, Scope, Name, "other", Includes, 2578 APINotes, LineNo, IsDecl)); 2579 EXPECT_NE(N, DIModule::get(Context, File, Scope, Name, ConfigMacro, "other", 2580 APINotes, LineNo, IsDecl)); 2581 EXPECT_NE(N, DIModule::get(Context, File, Scope, Name, ConfigMacro, Includes, 2582 "other", LineNo, IsDecl)); 2583 EXPECT_NE(N, DIModule::get(Context, getFile(), Scope, Name, ConfigMacro, 2584 Includes, APINotes, LineNo, IsDecl)); 2585 EXPECT_NE(N, DIModule::get(Context, File, Scope, Name, ConfigMacro, Includes, 2586 APINotes, 5, IsDecl)); 2587 EXPECT_NE(N, DIModule::get(Context, File, Scope, Name, ConfigMacro, Includes, 2588 APINotes, LineNo, false)); 2589 2590 TempDIModule Temp = N->clone(); 2591 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2592 } 2593 2594 typedef MetadataTest DITemplateTypeParameterTest; 2595 2596 TEST_F(DITemplateTypeParameterTest, get) { 2597 StringRef Name = "template"; 2598 DIType *Type = getBasicType("basic"); 2599 bool defaulted = false; 2600 2601 auto *N = DITemplateTypeParameter::get(Context, Name, Type, defaulted); 2602 2603 EXPECT_EQ(dwarf::DW_TAG_template_type_parameter, N->getTag()); 2604 EXPECT_EQ(Name, N->getName()); 2605 EXPECT_EQ(Type, N->getType()); 2606 EXPECT_EQ(N, DITemplateTypeParameter::get(Context, Name, Type, defaulted)); 2607 2608 EXPECT_NE(N, DITemplateTypeParameter::get(Context, "other", Type, defaulted)); 2609 EXPECT_NE(N, DITemplateTypeParameter::get(Context, Name, 2610 getBasicType("other"), defaulted)); 2611 EXPECT_NE(N, DITemplateTypeParameter::get(Context, Name, Type, true)); 2612 2613 TempDITemplateTypeParameter Temp = N->clone(); 2614 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2615 } 2616 2617 typedef MetadataTest DITemplateValueParameterTest; 2618 2619 TEST_F(DITemplateValueParameterTest, get) { 2620 unsigned Tag = dwarf::DW_TAG_template_value_parameter; 2621 StringRef Name = "template"; 2622 DIType *Type = getBasicType("basic"); 2623 bool defaulted = false; 2624 Metadata *Value = getConstantAsMetadata(); 2625 2626 auto *N = 2627 DITemplateValueParameter::get(Context, Tag, Name, Type, defaulted, Value); 2628 EXPECT_EQ(Tag, N->getTag()); 2629 EXPECT_EQ(Name, N->getName()); 2630 EXPECT_EQ(Type, N->getType()); 2631 EXPECT_EQ(Value, N->getValue()); 2632 EXPECT_EQ(N, DITemplateValueParameter::get(Context, Tag, Name, Type, 2633 defaulted, Value)); 2634 2635 EXPECT_NE(N, DITemplateValueParameter::get( 2636 Context, dwarf::DW_TAG_GNU_template_template_param, Name, 2637 Type, defaulted, Value)); 2638 EXPECT_NE(N, DITemplateValueParameter::get(Context, Tag, "other", Type, 2639 defaulted, Value)); 2640 EXPECT_NE(N, DITemplateValueParameter::get(Context, Tag, Name, 2641 getBasicType("other"), defaulted, 2642 Value)); 2643 EXPECT_NE(N, 2644 DITemplateValueParameter::get(Context, Tag, Name, Type, defaulted, 2645 getConstantAsMetadata())); 2646 EXPECT_NE( 2647 N, DITemplateValueParameter::get(Context, Tag, Name, Type, true, Value)); 2648 2649 TempDITemplateValueParameter Temp = N->clone(); 2650 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2651 } 2652 2653 typedef MetadataTest DIGlobalVariableTest; 2654 2655 TEST_F(DIGlobalVariableTest, get) { 2656 DIScope *Scope = getSubprogram(); 2657 StringRef Name = "name"; 2658 StringRef LinkageName = "linkage"; 2659 DIFile *File = getFile(); 2660 unsigned Line = 5; 2661 DIType *Type = getDerivedType(); 2662 bool IsLocalToUnit = false; 2663 bool IsDefinition = true; 2664 MDTuple *templateParams = getTuple(); 2665 DIDerivedType *StaticDataMemberDeclaration = 2666 cast<DIDerivedType>(getDerivedType()); 2667 2668 uint32_t AlignInBits = 8; 2669 2670 auto *N = DIGlobalVariable::get( 2671 Context, Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit, 2672 IsDefinition, StaticDataMemberDeclaration, templateParams, AlignInBits, 2673 nullptr); 2674 2675 EXPECT_EQ(dwarf::DW_TAG_variable, N->getTag()); 2676 EXPECT_EQ(Scope, N->getScope()); 2677 EXPECT_EQ(Name, N->getName()); 2678 EXPECT_EQ(LinkageName, N->getLinkageName()); 2679 EXPECT_EQ(File, N->getFile()); 2680 EXPECT_EQ(Line, N->getLine()); 2681 EXPECT_EQ(Type, N->getType()); 2682 EXPECT_EQ(IsLocalToUnit, N->isLocalToUnit()); 2683 EXPECT_EQ(IsDefinition, N->isDefinition()); 2684 EXPECT_EQ(StaticDataMemberDeclaration, N->getStaticDataMemberDeclaration()); 2685 EXPECT_EQ(templateParams, N->getTemplateParams()); 2686 EXPECT_EQ(AlignInBits, N->getAlignInBits()); 2687 EXPECT_EQ(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 2688 Line, Type, IsLocalToUnit, IsDefinition, 2689 StaticDataMemberDeclaration, 2690 templateParams, AlignInBits, nullptr)); 2691 2692 EXPECT_NE(N, DIGlobalVariable::get( 2693 Context, getSubprogram(), Name, LinkageName, File, Line, 2694 Type, IsLocalToUnit, IsDefinition, 2695 StaticDataMemberDeclaration, templateParams, AlignInBits, 2696 nullptr)); 2697 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, "other", LinkageName, File, 2698 Line, Type, IsLocalToUnit, IsDefinition, 2699 StaticDataMemberDeclaration, 2700 templateParams, AlignInBits, nullptr)); 2701 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, "other", File, Line, 2702 Type, IsLocalToUnit, IsDefinition, 2703 StaticDataMemberDeclaration, 2704 templateParams, AlignInBits, nullptr)); 2705 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, 2706 getFile(), Line, Type, IsLocalToUnit, 2707 IsDefinition, StaticDataMemberDeclaration, 2708 templateParams, AlignInBits, nullptr)); 2709 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 2710 Line + 1, Type, IsLocalToUnit, 2711 IsDefinition, StaticDataMemberDeclaration, 2712 templateParams, AlignInBits, nullptr)); 2713 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 2714 Line, getDerivedType(), IsLocalToUnit, 2715 IsDefinition, StaticDataMemberDeclaration, 2716 templateParams, AlignInBits, nullptr)); 2717 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 2718 Line, Type, !IsLocalToUnit, IsDefinition, 2719 StaticDataMemberDeclaration, 2720 templateParams, AlignInBits, nullptr)); 2721 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 2722 Line, Type, IsLocalToUnit, !IsDefinition, 2723 StaticDataMemberDeclaration, 2724 templateParams, AlignInBits, nullptr)); 2725 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 2726 Line, Type, IsLocalToUnit, IsDefinition, 2727 cast<DIDerivedType>(getDerivedType()), 2728 templateParams, AlignInBits, nullptr)); 2729 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 2730 Line, Type, IsLocalToUnit, IsDefinition, 2731 StaticDataMemberDeclaration, nullptr, 2732 AlignInBits, nullptr)); 2733 EXPECT_NE(N, DIGlobalVariable::get(Context, Scope, Name, LinkageName, File, 2734 Line, Type, IsLocalToUnit, IsDefinition, 2735 StaticDataMemberDeclaration, 2736 templateParams, (AlignInBits << 1), 2737 nullptr)); 2738 2739 TempDIGlobalVariable Temp = N->clone(); 2740 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2741 } 2742 2743 typedef MetadataTest DIGlobalVariableExpressionTest; 2744 2745 TEST_F(DIGlobalVariableExpressionTest, get) { 2746 DIScope *Scope = getSubprogram(); 2747 StringRef Name = "name"; 2748 StringRef LinkageName = "linkage"; 2749 DIFile *File = getFile(); 2750 unsigned Line = 5; 2751 DIType *Type = getDerivedType(); 2752 bool IsLocalToUnit = false; 2753 bool IsDefinition = true; 2754 MDTuple *templateParams = getTuple(); 2755 auto *Expr = DIExpression::get(Context, {1, 2}); 2756 auto *Expr2 = DIExpression::get(Context, {1, 2, 3}); 2757 DIDerivedType *StaticDataMemberDeclaration = 2758 cast<DIDerivedType>(getDerivedType()); 2759 uint32_t AlignInBits = 8; 2760 2761 auto *Var = DIGlobalVariable::get( 2762 Context, Scope, Name, LinkageName, File, Line, Type, IsLocalToUnit, 2763 IsDefinition, StaticDataMemberDeclaration, templateParams, AlignInBits, 2764 nullptr); 2765 auto *Var2 = DIGlobalVariable::get( 2766 Context, Scope, "other", LinkageName, File, Line, Type, IsLocalToUnit, 2767 IsDefinition, StaticDataMemberDeclaration, templateParams, AlignInBits, 2768 nullptr); 2769 auto *N = DIGlobalVariableExpression::get(Context, Var, Expr); 2770 2771 EXPECT_EQ(Var, N->getVariable()); 2772 EXPECT_EQ(Expr, N->getExpression()); 2773 EXPECT_EQ(N, DIGlobalVariableExpression::get(Context, Var, Expr)); 2774 EXPECT_NE(N, DIGlobalVariableExpression::get(Context, Var2, Expr)); 2775 EXPECT_NE(N, DIGlobalVariableExpression::get(Context, Var, Expr2)); 2776 2777 TempDIGlobalVariableExpression Temp = N->clone(); 2778 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2779 } 2780 2781 typedef MetadataTest DILocalVariableTest; 2782 2783 TEST_F(DILocalVariableTest, get) { 2784 DILocalScope *Scope = getSubprogram(); 2785 StringRef Name = "name"; 2786 DIFile *File = getFile(); 2787 unsigned Line = 5; 2788 DIType *Type = getDerivedType(); 2789 unsigned Arg = 6; 2790 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 2791 uint32_t AlignInBits = 8; 2792 2793 auto *N = 2794 DILocalVariable::get(Context, Scope, Name, File, Line, Type, Arg, Flags, 2795 AlignInBits, nullptr); 2796 EXPECT_TRUE(N->isParameter()); 2797 EXPECT_EQ(Scope, N->getScope()); 2798 EXPECT_EQ(Name, N->getName()); 2799 EXPECT_EQ(File, N->getFile()); 2800 EXPECT_EQ(Line, N->getLine()); 2801 EXPECT_EQ(Type, N->getType()); 2802 EXPECT_EQ(Arg, N->getArg()); 2803 EXPECT_EQ(Flags, N->getFlags()); 2804 EXPECT_EQ(AlignInBits, N->getAlignInBits()); 2805 EXPECT_EQ(N, DILocalVariable::get(Context, Scope, Name, File, Line, Type, Arg, 2806 Flags, AlignInBits, nullptr)); 2807 2808 EXPECT_FALSE( 2809 DILocalVariable::get(Context, Scope, Name, File, Line, Type, 0, Flags, 2810 AlignInBits, nullptr)->isParameter()); 2811 EXPECT_NE(N, DILocalVariable::get(Context, getSubprogram(), Name, File, Line, 2812 Type, Arg, Flags, AlignInBits, nullptr)); 2813 EXPECT_NE(N, DILocalVariable::get(Context, Scope, "other", File, Line, Type, 2814 Arg, Flags, AlignInBits, nullptr)); 2815 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, getFile(), Line, Type, 2816 Arg, Flags, AlignInBits, nullptr)); 2817 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, File, Line + 1, Type, 2818 Arg, Flags, AlignInBits, nullptr)); 2819 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, File, Line, 2820 getDerivedType(), Arg, Flags, AlignInBits, 2821 nullptr)); 2822 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, File, Line, Type, 2823 Arg + 1, Flags, AlignInBits, nullptr)); 2824 EXPECT_NE(N, DILocalVariable::get(Context, Scope, Name, File, Line, Type, 2825 Arg, Flags, (AlignInBits << 1), nullptr)); 2826 2827 TempDILocalVariable Temp = N->clone(); 2828 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2829 } 2830 2831 TEST_F(DILocalVariableTest, getArg256) { 2832 EXPECT_EQ(255u, DILocalVariable::get(Context, getSubprogram(), "", getFile(), 2833 0, nullptr, 255, DINode::FlagZero, 0, 2834 nullptr) 2835 ->getArg()); 2836 EXPECT_EQ(256u, DILocalVariable::get(Context, getSubprogram(), "", getFile(), 2837 0, nullptr, 256, DINode::FlagZero, 0, 2838 nullptr) 2839 ->getArg()); 2840 EXPECT_EQ(257u, DILocalVariable::get(Context, getSubprogram(), "", getFile(), 2841 0, nullptr, 257, DINode::FlagZero, 0, 2842 nullptr) 2843 ->getArg()); 2844 unsigned Max = UINT16_MAX; 2845 EXPECT_EQ(Max, DILocalVariable::get(Context, getSubprogram(), "", getFile(), 2846 0, nullptr, Max, DINode::FlagZero, 0, 2847 nullptr) 2848 ->getArg()); 2849 } 2850 2851 typedef MetadataTest DIExpressionTest; 2852 2853 TEST_F(DIExpressionTest, get) { 2854 uint64_t Elements[] = {2, 6, 9, 78, 0}; 2855 auto *N = DIExpression::get(Context, Elements); 2856 EXPECT_EQ(makeArrayRef(Elements), N->getElements()); 2857 EXPECT_EQ(N, DIExpression::get(Context, Elements)); 2858 2859 EXPECT_EQ(5u, N->getNumElements()); 2860 EXPECT_EQ(2u, N->getElement(0)); 2861 EXPECT_EQ(6u, N->getElement(1)); 2862 EXPECT_EQ(9u, N->getElement(2)); 2863 EXPECT_EQ(78u, N->getElement(3)); 2864 EXPECT_EQ(0u, N->getElement(4)); 2865 2866 TempDIExpression Temp = N->clone(); 2867 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 2868 2869 // Test DIExpression::prepend(). 2870 uint64_t Elts0[] = {dwarf::DW_OP_LLVM_fragment, 0, 32}; 2871 auto *N0 = DIExpression::get(Context, Elts0); 2872 uint8_t DIExprFlags = DIExpression::ApplyOffset; 2873 DIExprFlags |= DIExpression::DerefBefore; 2874 DIExprFlags |= DIExpression::DerefAfter; 2875 DIExprFlags |= DIExpression::StackValue; 2876 auto *N0WithPrependedOps = DIExpression::prepend(N0, DIExprFlags, 64); 2877 uint64_t Elts1[] = {dwarf::DW_OP_deref, 2878 dwarf::DW_OP_plus_uconst, 64, 2879 dwarf::DW_OP_deref, 2880 dwarf::DW_OP_stack_value, 2881 dwarf::DW_OP_LLVM_fragment, 0, 32}; 2882 auto *N1 = DIExpression::get(Context, Elts1); 2883 EXPECT_EQ(N0WithPrependedOps, N1); 2884 2885 // Test DIExpression::append(). 2886 uint64_t Elts2[] = {dwarf::DW_OP_deref, dwarf::DW_OP_plus_uconst, 64, 2887 dwarf::DW_OP_deref, dwarf::DW_OP_stack_value}; 2888 auto *N2 = DIExpression::append(N0, Elts2); 2889 EXPECT_EQ(N0WithPrependedOps, N2); 2890 } 2891 2892 TEST_F(DIExpressionTest, isValid) { 2893 #define EXPECT_VALID(...) \ 2894 do { \ 2895 uint64_t Elements[] = {__VA_ARGS__}; \ 2896 EXPECT_TRUE(DIExpression::get(Context, Elements)->isValid()); \ 2897 } while (false) 2898 #define EXPECT_INVALID(...) \ 2899 do { \ 2900 uint64_t Elements[] = {__VA_ARGS__}; \ 2901 EXPECT_FALSE(DIExpression::get(Context, Elements)->isValid()); \ 2902 } while (false) 2903 2904 // Empty expression should be valid. 2905 EXPECT_TRUE(DIExpression::get(Context, None)); 2906 2907 // Valid constructions. 2908 EXPECT_VALID(dwarf::DW_OP_plus_uconst, 6); 2909 EXPECT_VALID(dwarf::DW_OP_constu, 6, dwarf::DW_OP_plus); 2910 EXPECT_VALID(dwarf::DW_OP_deref); 2911 EXPECT_VALID(dwarf::DW_OP_LLVM_fragment, 3, 7); 2912 EXPECT_VALID(dwarf::DW_OP_plus_uconst, 6, dwarf::DW_OP_deref); 2913 EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_plus_uconst, 6); 2914 EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_LLVM_fragment, 3, 7); 2915 EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_plus_uconst, 6, 2916 dwarf::DW_OP_LLVM_fragment, 3, 7); 2917 2918 // Invalid constructions. 2919 EXPECT_INVALID(~0u); 2920 EXPECT_INVALID(dwarf::DW_OP_plus, 0); 2921 EXPECT_INVALID(dwarf::DW_OP_plus_uconst); 2922 EXPECT_INVALID(dwarf::DW_OP_LLVM_fragment); 2923 EXPECT_INVALID(dwarf::DW_OP_LLVM_fragment, 3); 2924 EXPECT_INVALID(dwarf::DW_OP_LLVM_fragment, 3, 7, dwarf::DW_OP_plus_uconst, 3); 2925 EXPECT_INVALID(dwarf::DW_OP_LLVM_fragment, 3, 7, dwarf::DW_OP_deref); 2926 2927 #undef EXPECT_VALID 2928 #undef EXPECT_INVALID 2929 } 2930 2931 TEST_F(DIExpressionTest, createFragmentExpression) { 2932 #define EXPECT_VALID_FRAGMENT(Offset, Size, ...) \ 2933 do { \ 2934 uint64_t Elements[] = {__VA_ARGS__}; \ 2935 DIExpression *Expression = DIExpression::get(Context, Elements); \ 2936 EXPECT_TRUE( \ 2937 DIExpression::createFragmentExpression(Expression, Offset, Size) \ 2938 .has_value()); \ 2939 } while (false) 2940 #define EXPECT_INVALID_FRAGMENT(Offset, Size, ...) \ 2941 do { \ 2942 uint64_t Elements[] = {__VA_ARGS__}; \ 2943 DIExpression *Expression = DIExpression::get(Context, Elements); \ 2944 EXPECT_FALSE( \ 2945 DIExpression::createFragmentExpression(Expression, Offset, Size) \ 2946 .has_value()); \ 2947 } while (false) 2948 2949 // createFragmentExpression adds correct ops. 2950 Optional<DIExpression*> R = DIExpression::createFragmentExpression( 2951 DIExpression::get(Context, {}), 0, 32); 2952 EXPECT_EQ(R.has_value(), true); 2953 EXPECT_EQ(3u, (*R)->getNumElements()); 2954 EXPECT_EQ(dwarf::DW_OP_LLVM_fragment, (*R)->getElement(0)); 2955 EXPECT_EQ(0u, (*R)->getElement(1)); 2956 EXPECT_EQ(32u, (*R)->getElement(2)); 2957 2958 // Valid fragment expressions. 2959 EXPECT_VALID_FRAGMENT(0, 32, {}); 2960 EXPECT_VALID_FRAGMENT(0, 32, dwarf::DW_OP_deref); 2961 EXPECT_VALID_FRAGMENT(0, 32, dwarf::DW_OP_LLVM_fragment, 0, 32); 2962 EXPECT_VALID_FRAGMENT(16, 16, dwarf::DW_OP_LLVM_fragment, 0, 32); 2963 2964 // Invalid fragment expressions (incompatible ops). 2965 EXPECT_INVALID_FRAGMENT(0, 32, dwarf::DW_OP_constu, 6, dwarf::DW_OP_plus); 2966 EXPECT_INVALID_FRAGMENT(0, 32, dwarf::DW_OP_constu, 14, dwarf::DW_OP_minus); 2967 EXPECT_INVALID_FRAGMENT(0, 32, dwarf::DW_OP_constu, 16, dwarf::DW_OP_shr); 2968 EXPECT_INVALID_FRAGMENT(0, 32, dwarf::DW_OP_constu, 16, dwarf::DW_OP_shl); 2969 EXPECT_INVALID_FRAGMENT(0, 32, dwarf::DW_OP_constu, 16, dwarf::DW_OP_shra); 2970 EXPECT_INVALID_FRAGMENT(0, 32, dwarf::DW_OP_plus_uconst, 6); 2971 2972 #undef EXPECT_VALID_FRAGMENT 2973 #undef EXPECT_INVALID_FRAGMENT 2974 } 2975 2976 TEST_F(DIExpressionTest, replaceArg) { 2977 #define EXPECT_REPLACE_ARG_EQ(Expr, OldArg, NewArg, ...) \ 2978 do { \ 2979 uint64_t Elements[] = {__VA_ARGS__}; \ 2980 ArrayRef<uint64_t> Expected = Elements; \ 2981 DIExpression *Expression = DIExpression::replaceArg(Expr, OldArg, NewArg); \ 2982 EXPECT_EQ(Expression->getElements(), Expected); \ 2983 } while (false) 2984 2985 auto N = DIExpression::get( 2986 Context, {dwarf::DW_OP_LLVM_arg, 0, dwarf::DW_OP_LLVM_arg, 1, 2987 dwarf::DW_OP_plus, dwarf::DW_OP_LLVM_arg, 2, dwarf::DW_OP_mul}); 2988 EXPECT_REPLACE_ARG_EQ(N, 0, 1, dwarf::DW_OP_LLVM_arg, 0, 2989 dwarf::DW_OP_LLVM_arg, 0, dwarf::DW_OP_plus, 2990 dwarf::DW_OP_LLVM_arg, 1, dwarf::DW_OP_mul); 2991 EXPECT_REPLACE_ARG_EQ(N, 0, 2, dwarf::DW_OP_LLVM_arg, 1, 2992 dwarf::DW_OP_LLVM_arg, 0, dwarf::DW_OP_plus, 2993 dwarf::DW_OP_LLVM_arg, 1, dwarf::DW_OP_mul); 2994 EXPECT_REPLACE_ARG_EQ(N, 2, 0, dwarf::DW_OP_LLVM_arg, 0, 2995 dwarf::DW_OP_LLVM_arg, 1, dwarf::DW_OP_plus, 2996 dwarf::DW_OP_LLVM_arg, 0, dwarf::DW_OP_mul); 2997 EXPECT_REPLACE_ARG_EQ(N, 2, 1, dwarf::DW_OP_LLVM_arg, 0, 2998 dwarf::DW_OP_LLVM_arg, 1, dwarf::DW_OP_plus, 2999 dwarf::DW_OP_LLVM_arg, 1, dwarf::DW_OP_mul); 3000 3001 #undef EXPECT_REPLACE_ARG_EQ 3002 } 3003 3004 TEST_F(DIExpressionTest, foldConstant) { 3005 const ConstantInt *Int; 3006 const ConstantInt *NewInt; 3007 DIExpression *Expr; 3008 DIExpression *NewExpr; 3009 3010 #define EXPECT_FOLD_CONST(StartWidth, StartValue, EndWidth, EndValue, NumElts) \ 3011 Int = ConstantInt::get(Context, APInt(StartWidth, StartValue)); \ 3012 std::tie(NewExpr, NewInt) = Expr->constantFold(Int); \ 3013 ASSERT_EQ(NewInt->getBitWidth(), EndWidth##u); \ 3014 EXPECT_EQ(NewInt->getValue(), APInt(EndWidth, EndValue)); \ 3015 EXPECT_EQ(NewExpr->getNumElements(), NumElts##u) 3016 3017 // Unfoldable expression should return the original unmodified Int/Expr. 3018 Expr = DIExpression::get(Context, {dwarf::DW_OP_deref}); 3019 EXPECT_FOLD_CONST(32, 117, 32, 117, 1); 3020 EXPECT_EQ(NewExpr, Expr); 3021 EXPECT_EQ(NewInt, Int); 3022 EXPECT_TRUE(NewExpr->startsWithDeref()); 3023 3024 // One unsigned bit-width conversion. 3025 Expr = DIExpression::get( 3026 Context, {dwarf::DW_OP_LLVM_convert, 72, dwarf::DW_ATE_unsigned}); 3027 EXPECT_FOLD_CONST(8, 12, 72, 12, 0); 3028 3029 // Two unsigned bit-width conversions (mask truncation). 3030 Expr = DIExpression::get( 3031 Context, {dwarf::DW_OP_LLVM_convert, 8, dwarf::DW_ATE_unsigned, 3032 dwarf::DW_OP_LLVM_convert, 16, dwarf::DW_ATE_unsigned}); 3033 EXPECT_FOLD_CONST(32, -1, 16, 0xff, 0); 3034 3035 // Sign extension. 3036 Expr = DIExpression::get( 3037 Context, {dwarf::DW_OP_LLVM_convert, 32, dwarf::DW_ATE_signed}); 3038 EXPECT_FOLD_CONST(16, -1, 32, -1, 0); 3039 3040 // Get non-foldable operations back in the new Expr. 3041 uint64_t Elements[] = {dwarf::DW_OP_deref, dwarf::DW_OP_stack_value}; 3042 ArrayRef<uint64_t> Expected = Elements; 3043 Expr = DIExpression::get( 3044 Context, {dwarf::DW_OP_LLVM_convert, 32, dwarf::DW_ATE_signed}); 3045 Expr = DIExpression::append(Expr, Expected); 3046 ASSERT_EQ(Expr->getNumElements(), 5u); 3047 EXPECT_FOLD_CONST(16, -1, 32, -1, 2); 3048 EXPECT_EQ(NewExpr->getElements(), Expected); 3049 3050 #undef EXPECT_FOLD_CONST 3051 } 3052 3053 typedef MetadataTest DIObjCPropertyTest; 3054 3055 TEST_F(DIObjCPropertyTest, get) { 3056 StringRef Name = "name"; 3057 DIFile *File = getFile(); 3058 unsigned Line = 5; 3059 StringRef GetterName = "getter"; 3060 StringRef SetterName = "setter"; 3061 unsigned Attributes = 7; 3062 DIType *Type = getBasicType("basic"); 3063 3064 auto *N = DIObjCProperty::get(Context, Name, File, Line, GetterName, 3065 SetterName, Attributes, Type); 3066 3067 EXPECT_EQ(dwarf::DW_TAG_APPLE_property, N->getTag()); 3068 EXPECT_EQ(Name, N->getName()); 3069 EXPECT_EQ(File, N->getFile()); 3070 EXPECT_EQ(Line, N->getLine()); 3071 EXPECT_EQ(GetterName, N->getGetterName()); 3072 EXPECT_EQ(SetterName, N->getSetterName()); 3073 EXPECT_EQ(Attributes, N->getAttributes()); 3074 EXPECT_EQ(Type, N->getType()); 3075 EXPECT_EQ(N, DIObjCProperty::get(Context, Name, File, Line, GetterName, 3076 SetterName, Attributes, Type)); 3077 3078 EXPECT_NE(N, DIObjCProperty::get(Context, "other", File, Line, GetterName, 3079 SetterName, Attributes, Type)); 3080 EXPECT_NE(N, DIObjCProperty::get(Context, Name, getFile(), Line, GetterName, 3081 SetterName, Attributes, Type)); 3082 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line + 1, GetterName, 3083 SetterName, Attributes, Type)); 3084 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line, "other", 3085 SetterName, Attributes, Type)); 3086 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line, GetterName, 3087 "other", Attributes, Type)); 3088 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line, GetterName, 3089 SetterName, Attributes + 1, Type)); 3090 EXPECT_NE(N, DIObjCProperty::get(Context, Name, File, Line, GetterName, 3091 SetterName, Attributes, 3092 getBasicType("other"))); 3093 3094 TempDIObjCProperty Temp = N->clone(); 3095 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 3096 } 3097 3098 typedef MetadataTest DIImportedEntityTest; 3099 3100 TEST_F(DIImportedEntityTest, get) { 3101 unsigned Tag = dwarf::DW_TAG_imported_module; 3102 DIScope *Scope = getSubprogram(); 3103 DINode *Entity = getCompositeType(); 3104 DIFile *File = getFile(); 3105 unsigned Line = 5; 3106 StringRef Name = "name"; 3107 3108 auto *N = 3109 DIImportedEntity::get(Context, Tag, Scope, Entity, File, Line, Name); 3110 3111 EXPECT_EQ(Tag, N->getTag()); 3112 EXPECT_EQ(Scope, N->getScope()); 3113 EXPECT_EQ(Entity, N->getEntity()); 3114 EXPECT_EQ(File, N->getFile()); 3115 EXPECT_EQ(Line, N->getLine()); 3116 EXPECT_EQ(Name, N->getName()); 3117 EXPECT_EQ( 3118 N, DIImportedEntity::get(Context, Tag, Scope, Entity, File, Line, Name)); 3119 3120 EXPECT_NE(N, 3121 DIImportedEntity::get(Context, dwarf::DW_TAG_imported_declaration, 3122 Scope, Entity, File, Line, Name)); 3123 EXPECT_NE(N, DIImportedEntity::get(Context, Tag, getSubprogram(), Entity, 3124 File, Line, Name)); 3125 EXPECT_NE(N, DIImportedEntity::get(Context, Tag, Scope, getCompositeType(), 3126 File, Line, Name)); 3127 EXPECT_NE(N, DIImportedEntity::get(Context, Tag, Scope, Entity, nullptr, Line, 3128 Name)); 3129 EXPECT_NE(N, DIImportedEntity::get(Context, Tag, Scope, Entity, File, 3130 Line + 1, Name)); 3131 EXPECT_NE(N, DIImportedEntity::get(Context, Tag, Scope, Entity, File, Line, 3132 "other")); 3133 3134 TempDIImportedEntity Temp = N->clone(); 3135 EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp))); 3136 3137 MDTuple *Elements1 = getTuple(); 3138 MDTuple *Elements2 = getTuple(); 3139 auto *Ne = DIImportedEntity::get(Context, Tag, Scope, Entity, File, Line, 3140 Name, Elements1); 3141 3142 EXPECT_EQ(Elements1, Ne->getElements().get()); 3143 3144 EXPECT_EQ(Ne, DIImportedEntity::get(Context, Tag, Scope, Entity, File, Line, 3145 Name, Elements1)); 3146 EXPECT_NE(Ne, DIImportedEntity::get(Context, Tag, Scope, Entity, File, Line, 3147 "ModOther", Elements1)); 3148 EXPECT_NE(Ne, DIImportedEntity::get(Context, Tag, Scope, Entity, File, Line, 3149 Name, Elements2)); 3150 EXPECT_NE( 3151 Ne, DIImportedEntity::get(Context, Tag, Scope, Entity, File, Line, Name)); 3152 3153 TempDIImportedEntity Tempe = Ne->clone(); 3154 EXPECT_EQ(Ne, MDNode::replaceWithUniqued(std::move(Tempe))); 3155 } 3156 3157 typedef MetadataTest MetadataAsValueTest; 3158 3159 TEST_F(MetadataAsValueTest, MDNode) { 3160 MDNode *N = MDNode::get(Context, None); 3161 auto *V = MetadataAsValue::get(Context, N); 3162 EXPECT_TRUE(V->getType()->isMetadataTy()); 3163 EXPECT_EQ(N, V->getMetadata()); 3164 3165 auto *V2 = MetadataAsValue::get(Context, N); 3166 EXPECT_EQ(V, V2); 3167 } 3168 3169 TEST_F(MetadataAsValueTest, MDNodeMDNode) { 3170 MDNode *N = MDNode::get(Context, None); 3171 Metadata *Ops[] = {N}; 3172 MDNode *N2 = MDNode::get(Context, Ops); 3173 auto *V = MetadataAsValue::get(Context, N2); 3174 EXPECT_TRUE(V->getType()->isMetadataTy()); 3175 EXPECT_EQ(N2, V->getMetadata()); 3176 3177 auto *V2 = MetadataAsValue::get(Context, N2); 3178 EXPECT_EQ(V, V2); 3179 3180 auto *V3 = MetadataAsValue::get(Context, N); 3181 EXPECT_TRUE(V3->getType()->isMetadataTy()); 3182 EXPECT_NE(V, V3); 3183 EXPECT_EQ(N, V3->getMetadata()); 3184 } 3185 3186 TEST_F(MetadataAsValueTest, MDNodeConstant) { 3187 auto *C = ConstantInt::getTrue(Context); 3188 auto *MD = ConstantAsMetadata::get(C); 3189 Metadata *Ops[] = {MD}; 3190 auto *N = MDNode::get(Context, Ops); 3191 3192 auto *V = MetadataAsValue::get(Context, MD); 3193 EXPECT_TRUE(V->getType()->isMetadataTy()); 3194 EXPECT_EQ(MD, V->getMetadata()); 3195 3196 auto *V2 = MetadataAsValue::get(Context, N); 3197 EXPECT_EQ(MD, V2->getMetadata()); 3198 EXPECT_EQ(V, V2); 3199 } 3200 3201 typedef MetadataTest ValueAsMetadataTest; 3202 3203 TEST_F(ValueAsMetadataTest, UpdatesOnRAUW) { 3204 Type *Ty = Type::getInt1PtrTy(Context); 3205 std::unique_ptr<GlobalVariable> GV0( 3206 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 3207 auto *MD = ValueAsMetadata::get(GV0.get()); 3208 EXPECT_TRUE(MD->getValue() == GV0.get()); 3209 ASSERT_TRUE(GV0->use_empty()); 3210 3211 std::unique_ptr<GlobalVariable> GV1( 3212 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 3213 GV0->replaceAllUsesWith(GV1.get()); 3214 EXPECT_TRUE(MD->getValue() == GV1.get()); 3215 } 3216 3217 TEST_F(ValueAsMetadataTest, TempTempReplacement) { 3218 // Create a constant. 3219 ConstantAsMetadata *CI = 3220 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0))); 3221 3222 auto Temp1 = MDTuple::getTemporary(Context, None); 3223 auto Temp2 = MDTuple::getTemporary(Context, {CI}); 3224 auto *N = MDTuple::get(Context, {Temp1.get()}); 3225 3226 // Test replacing a temporary node with another temporary node. 3227 Temp1->replaceAllUsesWith(Temp2.get()); 3228 EXPECT_EQ(N->getOperand(0), Temp2.get()); 3229 3230 // Clean up Temp2 for teardown. 3231 Temp2->replaceAllUsesWith(nullptr); 3232 } 3233 3234 TEST_F(ValueAsMetadataTest, CollidingDoubleUpdates) { 3235 // Create a constant. 3236 ConstantAsMetadata *CI = 3237 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0))); 3238 3239 // Create a temporary to prevent nodes from resolving. 3240 auto Temp = MDTuple::getTemporary(Context, None); 3241 3242 // When the first operand of N1 gets reset to nullptr, it'll collide with N2. 3243 Metadata *Ops1[] = {CI, CI, Temp.get()}; 3244 Metadata *Ops2[] = {nullptr, CI, Temp.get()}; 3245 3246 auto *N1 = MDTuple::get(Context, Ops1); 3247 auto *N2 = MDTuple::get(Context, Ops2); 3248 ASSERT_NE(N1, N2); 3249 3250 // Tell metadata that the constant is getting deleted. 3251 // 3252 // After this, N1 will be invalid, so don't touch it. 3253 ValueAsMetadata::handleDeletion(CI->getValue()); 3254 EXPECT_EQ(nullptr, N2->getOperand(0)); 3255 EXPECT_EQ(nullptr, N2->getOperand(1)); 3256 EXPECT_EQ(Temp.get(), N2->getOperand(2)); 3257 3258 // Clean up Temp for teardown. 3259 Temp->replaceAllUsesWith(nullptr); 3260 } 3261 3262 typedef MetadataTest DIArgListTest; 3263 3264 TEST_F(DIArgListTest, get) { 3265 SmallVector<ValueAsMetadata *, 2> VMs; 3266 VMs.push_back( 3267 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0)))); 3268 VMs.push_back( 3269 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(2, 0)))); 3270 DIArgList *DV0 = DIArgList::get(Context, VMs); 3271 DIArgList *DV1 = DIArgList::get(Context, VMs); 3272 EXPECT_EQ(DV0, DV1); 3273 } 3274 3275 TEST_F(DIArgListTest, UpdatesOnRAUW) { 3276 Type *Ty = Type::getInt1PtrTy(Context); 3277 ConstantAsMetadata *CI = 3278 ConstantAsMetadata::get(ConstantInt::get(Context, APInt(8, 0))); 3279 std::unique_ptr<GlobalVariable> GV0( 3280 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 3281 auto *MD0 = ValueAsMetadata::get(GV0.get()); 3282 3283 SmallVector<ValueAsMetadata *, 2> VMs; 3284 VMs.push_back(CI); 3285 VMs.push_back(MD0); 3286 auto *AL = DIArgList::get(Context, VMs); 3287 EXPECT_EQ(AL->getArgs()[0], CI); 3288 EXPECT_EQ(AL->getArgs()[1], MD0); 3289 3290 std::unique_ptr<GlobalVariable> GV1( 3291 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 3292 auto *MD1 = ValueAsMetadata::get(GV1.get()); 3293 GV0->replaceAllUsesWith(GV1.get()); 3294 EXPECT_EQ(AL->getArgs()[0], CI); 3295 EXPECT_EQ(AL->getArgs()[1], MD1); 3296 } 3297 3298 typedef MetadataTest TrackingMDRefTest; 3299 3300 TEST_F(TrackingMDRefTest, UpdatesOnRAUW) { 3301 Type *Ty = Type::getInt1PtrTy(Context); 3302 std::unique_ptr<GlobalVariable> GV0( 3303 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 3304 TypedTrackingMDRef<ValueAsMetadata> MD(ValueAsMetadata::get(GV0.get())); 3305 EXPECT_TRUE(MD->getValue() == GV0.get()); 3306 ASSERT_TRUE(GV0->use_empty()); 3307 3308 std::unique_ptr<GlobalVariable> GV1( 3309 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 3310 GV0->replaceAllUsesWith(GV1.get()); 3311 EXPECT_TRUE(MD->getValue() == GV1.get()); 3312 3313 // Reset it, so we don't inadvertently test deletion. 3314 MD.reset(); 3315 } 3316 3317 TEST_F(TrackingMDRefTest, UpdatesOnDeletion) { 3318 Type *Ty = Type::getInt1PtrTy(Context); 3319 std::unique_ptr<GlobalVariable> GV( 3320 new GlobalVariable(Ty, false, GlobalValue::ExternalLinkage)); 3321 TypedTrackingMDRef<ValueAsMetadata> MD(ValueAsMetadata::get(GV.get())); 3322 EXPECT_TRUE(MD->getValue() == GV.get()); 3323 ASSERT_TRUE(GV->use_empty()); 3324 3325 GV.reset(); 3326 EXPECT_TRUE(!MD); 3327 } 3328 3329 TEST(NamedMDNodeTest, Search) { 3330 LLVMContext Context; 3331 ConstantAsMetadata *C = 3332 ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(Context), 1)); 3333 ConstantAsMetadata *C2 = 3334 ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(Context), 2)); 3335 3336 Metadata *const V = C; 3337 Metadata *const V2 = C2; 3338 MDNode *n = MDNode::get(Context, V); 3339 MDNode *n2 = MDNode::get(Context, V2); 3340 3341 Module M("MyModule", Context); 3342 const char *Name = "llvm.NMD1"; 3343 NamedMDNode *NMD = M.getOrInsertNamedMetadata(Name); 3344 NMD->addOperand(n); 3345 NMD->addOperand(n2); 3346 3347 std::string Str; 3348 raw_string_ostream oss(Str); 3349 NMD->print(oss); 3350 EXPECT_STREQ("!llvm.NMD1 = !{!0, !1}\n", 3351 oss.str().c_str()); 3352 } 3353 3354 typedef MetadataTest FunctionAttachmentTest; 3355 TEST_F(FunctionAttachmentTest, setMetadata) { 3356 Function *F = getFunction("foo"); 3357 ASSERT_FALSE(F->hasMetadata()); 3358 EXPECT_EQ(nullptr, F->getMetadata(LLVMContext::MD_dbg)); 3359 EXPECT_EQ(nullptr, F->getMetadata("dbg")); 3360 EXPECT_EQ(nullptr, F->getMetadata("other")); 3361 3362 DISubprogram *SP1 = getSubprogram(); 3363 DISubprogram *SP2 = getSubprogram(); 3364 ASSERT_NE(SP1, SP2); 3365 3366 F->setMetadata("dbg", SP1); 3367 EXPECT_TRUE(F->hasMetadata()); 3368 EXPECT_EQ(SP1, F->getMetadata(LLVMContext::MD_dbg)); 3369 EXPECT_EQ(SP1, F->getMetadata("dbg")); 3370 EXPECT_EQ(nullptr, F->getMetadata("other")); 3371 3372 F->setMetadata(LLVMContext::MD_dbg, SP2); 3373 EXPECT_TRUE(F->hasMetadata()); 3374 EXPECT_EQ(SP2, F->getMetadata(LLVMContext::MD_dbg)); 3375 EXPECT_EQ(SP2, F->getMetadata("dbg")); 3376 EXPECT_EQ(nullptr, F->getMetadata("other")); 3377 3378 F->setMetadata("dbg", nullptr); 3379 EXPECT_FALSE(F->hasMetadata()); 3380 EXPECT_EQ(nullptr, F->getMetadata(LLVMContext::MD_dbg)); 3381 EXPECT_EQ(nullptr, F->getMetadata("dbg")); 3382 EXPECT_EQ(nullptr, F->getMetadata("other")); 3383 3384 MDTuple *T1 = getTuple(); 3385 MDTuple *T2 = getTuple(); 3386 ASSERT_NE(T1, T2); 3387 3388 F->setMetadata("other1", T1); 3389 F->setMetadata("other2", T2); 3390 EXPECT_TRUE(F->hasMetadata()); 3391 EXPECT_EQ(T1, F->getMetadata("other1")); 3392 EXPECT_EQ(T2, F->getMetadata("other2")); 3393 EXPECT_EQ(nullptr, F->getMetadata("dbg")); 3394 3395 F->setMetadata("other1", T2); 3396 F->setMetadata("other2", T1); 3397 EXPECT_EQ(T2, F->getMetadata("other1")); 3398 EXPECT_EQ(T1, F->getMetadata("other2")); 3399 3400 F->setMetadata("other1", nullptr); 3401 F->setMetadata("other2", nullptr); 3402 EXPECT_FALSE(F->hasMetadata()); 3403 EXPECT_EQ(nullptr, F->getMetadata("other1")); 3404 EXPECT_EQ(nullptr, F->getMetadata("other2")); 3405 } 3406 3407 TEST_F(FunctionAttachmentTest, getAll) { 3408 Function *F = getFunction("foo"); 3409 3410 MDTuple *T1 = getTuple(); 3411 MDTuple *T2 = getTuple(); 3412 MDTuple *P = getTuple(); 3413 DISubprogram *SP = getSubprogram(); 3414 3415 F->setMetadata("other1", T2); 3416 F->setMetadata(LLVMContext::MD_dbg, SP); 3417 F->setMetadata("other2", T1); 3418 F->setMetadata(LLVMContext::MD_prof, P); 3419 F->setMetadata("other2", T2); 3420 F->setMetadata("other1", T1); 3421 3422 SmallVector<std::pair<unsigned, MDNode *>, 4> MDs; 3423 F->getAllMetadata(MDs); 3424 ASSERT_EQ(4u, MDs.size()); 3425 EXPECT_EQ(LLVMContext::MD_dbg, MDs[0].first); 3426 EXPECT_EQ(LLVMContext::MD_prof, MDs[1].first); 3427 EXPECT_EQ(Context.getMDKindID("other1"), MDs[2].first); 3428 EXPECT_EQ(Context.getMDKindID("other2"), MDs[3].first); 3429 EXPECT_EQ(SP, MDs[0].second); 3430 EXPECT_EQ(P, MDs[1].second); 3431 EXPECT_EQ(T1, MDs[2].second); 3432 EXPECT_EQ(T2, MDs[3].second); 3433 } 3434 3435 TEST_F(FunctionAttachmentTest, Verifier) { 3436 Function *F = getFunction("foo"); 3437 F->setMetadata("attach", getTuple()); 3438 F->setIsMaterializable(true); 3439 3440 // Confirm this is materializable. 3441 ASSERT_TRUE(F->isMaterializable()); 3442 3443 // Materializable functions cannot have metadata attachments. 3444 EXPECT_TRUE(verifyFunction(*F)); 3445 3446 // Function declarations can. 3447 F->setIsMaterializable(false); 3448 EXPECT_FALSE(verifyModule(*F->getParent())); 3449 EXPECT_FALSE(verifyFunction(*F)); 3450 3451 // So can definitions. 3452 (void)new UnreachableInst(Context, BasicBlock::Create(Context, "bb", F)); 3453 EXPECT_FALSE(verifyModule(*F->getParent())); 3454 EXPECT_FALSE(verifyFunction(*F)); 3455 } 3456 3457 TEST_F(FunctionAttachmentTest, RealEntryCount) { 3458 Function *F = getFunction("foo"); 3459 EXPECT_FALSE(F->getEntryCount().has_value()); 3460 F->setEntryCount(12304, Function::PCT_Real); 3461 auto Count = F->getEntryCount(); 3462 EXPECT_TRUE(Count.has_value()); 3463 EXPECT_EQ(12304u, Count->getCount()); 3464 EXPECT_EQ(Function::PCT_Real, Count->getType()); 3465 } 3466 3467 TEST_F(FunctionAttachmentTest, SyntheticEntryCount) { 3468 Function *F = getFunction("bar"); 3469 EXPECT_FALSE(F->getEntryCount().has_value()); 3470 F->setEntryCount(123, Function::PCT_Synthetic); 3471 auto Count = F->getEntryCount(true /*allow synthetic*/); 3472 EXPECT_TRUE(Count.has_value()); 3473 EXPECT_EQ(123u, Count->getCount()); 3474 EXPECT_EQ(Function::PCT_Synthetic, Count->getType()); 3475 } 3476 3477 TEST_F(FunctionAttachmentTest, SubprogramAttachment) { 3478 Function *F = getFunction("foo"); 3479 DISubprogram *SP = getSubprogram(); 3480 F->setSubprogram(SP); 3481 3482 // Note that the static_cast confirms that F->getSubprogram() actually 3483 // returns an DISubprogram. 3484 EXPECT_EQ(SP, static_cast<DISubprogram *>(F->getSubprogram())); 3485 EXPECT_EQ(SP, F->getMetadata("dbg")); 3486 EXPECT_EQ(SP, F->getMetadata(LLVMContext::MD_dbg)); 3487 } 3488 3489 typedef MetadataTest DistinctMDOperandPlaceholderTest; 3490 TEST_F(DistinctMDOperandPlaceholderTest, getID) { 3491 EXPECT_EQ(7u, DistinctMDOperandPlaceholder(7).getID()); 3492 } 3493 3494 TEST_F(DistinctMDOperandPlaceholderTest, replaceUseWith) { 3495 // Set up some placeholders. 3496 DistinctMDOperandPlaceholder PH0(7); 3497 DistinctMDOperandPlaceholder PH1(3); 3498 DistinctMDOperandPlaceholder PH2(0); 3499 Metadata *Ops[] = {&PH0, &PH1, &PH2}; 3500 auto *D = MDTuple::getDistinct(Context, Ops); 3501 ASSERT_EQ(&PH0, D->getOperand(0)); 3502 ASSERT_EQ(&PH1, D->getOperand(1)); 3503 ASSERT_EQ(&PH2, D->getOperand(2)); 3504 3505 // Replace them. 3506 auto *N0 = MDTuple::get(Context, None); 3507 auto *N1 = MDTuple::get(Context, N0); 3508 PH0.replaceUseWith(N0); 3509 PH1.replaceUseWith(N1); 3510 PH2.replaceUseWith(nullptr); 3511 EXPECT_EQ(N0, D->getOperand(0)); 3512 EXPECT_EQ(N1, D->getOperand(1)); 3513 EXPECT_EQ(nullptr, D->getOperand(2)); 3514 } 3515 3516 TEST_F(DistinctMDOperandPlaceholderTest, replaceUseWithNoUser) { 3517 // There is no user, but we can still call replace. 3518 DistinctMDOperandPlaceholder(7).replaceUseWith(MDTuple::get(Context, None)); 3519 } 3520 3521 // Test various assertions in metadata tracking. Don't run these tests if gtest 3522 // will use SEH to recover from them. Two of these tests get halfway through 3523 // inserting metadata into DenseMaps for tracking purposes, and then they 3524 // assert, and we attempt to destroy an LLVMContext with broken invariants, 3525 // leading to infinite loops. 3526 #if defined(GTEST_HAS_DEATH_TEST) && !defined(NDEBUG) && !defined(GTEST_HAS_SEH) 3527 TEST_F(DistinctMDOperandPlaceholderTest, MetadataAsValue) { 3528 // This shouldn't crash. 3529 DistinctMDOperandPlaceholder PH(7); 3530 EXPECT_DEATH(MetadataAsValue::get(Context, &PH), 3531 "Unexpected callback to owner"); 3532 } 3533 3534 TEST_F(DistinctMDOperandPlaceholderTest, UniquedMDNode) { 3535 // This shouldn't crash. 3536 DistinctMDOperandPlaceholder PH(7); 3537 EXPECT_DEATH(MDTuple::get(Context, &PH), "Unexpected callback to owner"); 3538 } 3539 3540 TEST_F(DistinctMDOperandPlaceholderTest, SecondDistinctMDNode) { 3541 // This shouldn't crash. 3542 DistinctMDOperandPlaceholder PH(7); 3543 MDTuple::getDistinct(Context, &PH); 3544 EXPECT_DEATH(MDTuple::getDistinct(Context, &PH), 3545 "Placeholders can only be used once"); 3546 } 3547 3548 TEST_F(DistinctMDOperandPlaceholderTest, TrackingMDRefAndDistinctMDNode) { 3549 // TrackingMDRef doesn't install an owner callback, so it can't be detected 3550 // as an invalid use. However, using a placeholder in a TrackingMDRef *and* 3551 // a distinct node isn't possible and we should assert. 3552 // 3553 // (There's no positive test for using TrackingMDRef because it's not a 3554 // useful thing to do.) 3555 { 3556 DistinctMDOperandPlaceholder PH(7); 3557 MDTuple::getDistinct(Context, &PH); 3558 EXPECT_DEATH(TrackingMDRef Ref(&PH), "Placeholders can only be used once"); 3559 } 3560 { 3561 DistinctMDOperandPlaceholder PH(7); 3562 TrackingMDRef Ref(&PH); 3563 EXPECT_DEATH(MDTuple::getDistinct(Context, &PH), 3564 "Placeholders can only be used once"); 3565 } 3566 } 3567 #endif 3568 3569 typedef MetadataTest DebugVariableTest; 3570 TEST_F(DebugVariableTest, DenseMap) { 3571 DenseMap<DebugVariable, uint64_t> DebugVariableMap; 3572 3573 DILocalScope *Scope = getSubprogram(); 3574 DIFile *File = getFile(); 3575 DIType *Type = getDerivedType(); 3576 DINode::DIFlags Flags = static_cast<DINode::DIFlags>(7); 3577 3578 DILocation *InlinedLoc = DILocation::get(Context, 2, 7, Scope); 3579 3580 DILocalVariable *VarA = 3581 DILocalVariable::get(Context, Scope, "A", File, 5, Type, 2, Flags, 8, nullptr); 3582 DILocalVariable *VarB = 3583 DILocalVariable::get(Context, Scope, "B", File, 7, Type, 3, Flags, 8, nullptr); 3584 3585 DebugVariable DebugVariableA(VarA, NoneType(), nullptr); 3586 DebugVariable DebugVariableInlineA(VarA, NoneType(), InlinedLoc); 3587 DebugVariable DebugVariableB(VarB, NoneType(), nullptr); 3588 DebugVariable DebugVariableFragB(VarB, {{16, 16}}, nullptr); 3589 3590 DebugVariableMap.insert({DebugVariableA, 2}); 3591 DebugVariableMap.insert({DebugVariableInlineA, 3}); 3592 DebugVariableMap.insert({DebugVariableB, 6}); 3593 DebugVariableMap.insert({DebugVariableFragB, 12}); 3594 3595 EXPECT_EQ(DebugVariableMap.count(DebugVariableA), 1u); 3596 EXPECT_EQ(DebugVariableMap.count(DebugVariableInlineA), 1u); 3597 EXPECT_EQ(DebugVariableMap.count(DebugVariableB), 1u); 3598 EXPECT_EQ(DebugVariableMap.count(DebugVariableFragB), 1u); 3599 3600 EXPECT_EQ(DebugVariableMap.find(DebugVariableA)->second, 2u); 3601 EXPECT_EQ(DebugVariableMap.find(DebugVariableInlineA)->second, 3u); 3602 EXPECT_EQ(DebugVariableMap.find(DebugVariableB)->second, 6u); 3603 EXPECT_EQ(DebugVariableMap.find(DebugVariableFragB)->second, 12u); 3604 } 3605 3606 typedef MetadataTest MDTupleAllocationTest; 3607 TEST_F(MDTupleAllocationTest, Tracking) { 3608 // Make sure that the move constructor and move assignment op 3609 // for MDOperand correctly adjust tracking information. 3610 auto *Value1 = getConstantAsMetadata(); 3611 MDTuple *A = MDTuple::getDistinct(Context, {Value1, Value1}); 3612 EXPECT_EQ(A->getOperand(0), Value1); 3613 EXPECT_EQ(A->getOperand(1), Value1); 3614 3615 MDNode::op_range Ops = A->operands(); 3616 3617 MDOperand NewOps1; 3618 // Move assignment operator. 3619 NewOps1 = std::move(*const_cast<MDOperand *>(Ops.begin())); 3620 // Move constructor. 3621 MDOperand NewOps2(std::move(*const_cast<MDOperand *>(Ops.begin() + 1))); 3622 3623 EXPECT_EQ(NewOps1.get(), static_cast<Metadata *>(Value1)); 3624 EXPECT_EQ(NewOps2.get(), static_cast<Metadata *>(Value1)); 3625 3626 auto *Value2 = getConstantAsMetadata(); 3627 Value *V1 = Value1->getValue(); 3628 Value *V2 = Value2->getValue(); 3629 ValueAsMetadata::handleRAUW(V1, V2); 3630 3631 EXPECT_EQ(NewOps1.get(), static_cast<Metadata *>(Value2)); 3632 EXPECT_EQ(NewOps2.get(), static_cast<Metadata *>(Value2)); 3633 } 3634 3635 TEST_F(MDTupleAllocationTest, Resize) { 3636 MDTuple *A = getTuple(); 3637 Metadata *Value1 = getConstantAsMetadata(); 3638 Metadata *Value2 = getConstantAsMetadata(); 3639 Metadata *Value3 = getConstantAsMetadata(); 3640 3641 EXPECT_EQ(A->getNumOperands(), 0u); 3642 3643 // Add a couple of elements to it, which resizes the node. 3644 A->push_back(Value1); 3645 EXPECT_EQ(A->getNumOperands(), 1u); 3646 EXPECT_EQ(A->getOperand(0), Value1); 3647 3648 A->push_back(Value2); 3649 EXPECT_EQ(A->getNumOperands(), 2u); 3650 EXPECT_EQ(A->getOperand(0), Value1); 3651 EXPECT_EQ(A->getOperand(1), Value2); 3652 3653 // Append another element, which should resize the node 3654 // to a "large" node, though not detectable by the user. 3655 A->push_back(Value3); 3656 EXPECT_EQ(A->getNumOperands(), 3u); 3657 EXPECT_EQ(A->getOperand(0), Value1); 3658 EXPECT_EQ(A->getOperand(1), Value2); 3659 EXPECT_EQ(A->getOperand(2), Value3); 3660 3661 // Remove the last element 3662 A->pop_back(); 3663 EXPECT_EQ(A->getNumOperands(), 2u); 3664 EXPECT_EQ(A->getOperand(1), Value2); 3665 3666 // Allocate a node with 4 operands. 3667 Metadata *Value4 = getConstantAsMetadata(); 3668 Metadata *Value5 = getConstantAsMetadata(); 3669 3670 Metadata *Ops[] = {Value1, Value2, Value3, Value4}; 3671 MDTuple *B = MDTuple::getDistinct(Context, Ops); 3672 3673 EXPECT_EQ(B->getNumOperands(), 4u); 3674 B->pop_back(); 3675 EXPECT_EQ(B->getNumOperands(), 3u); 3676 B->push_back(Value5); 3677 EXPECT_EQ(B->getNumOperands(), 4u); 3678 EXPECT_EQ(B->getOperand(0), Value1); 3679 EXPECT_EQ(B->getOperand(1), Value2); 3680 EXPECT_EQ(B->getOperand(2), Value3); 3681 EXPECT_EQ(B->getOperand(3), Value5); 3682 3683 // Check that we can resize temporary nodes as well. 3684 auto Temp1 = MDTuple::getTemporary(Context, None); 3685 EXPECT_EQ(Temp1->getNumOperands(), 0u); 3686 3687 Temp1->push_back(Value1); 3688 EXPECT_EQ(Temp1->getNumOperands(), 1u); 3689 EXPECT_EQ(Temp1->getOperand(0), Value1); 3690 3691 for (int i = 0; i < 11; i++) 3692 Temp1->push_back(Value2); 3693 EXPECT_EQ(Temp1->getNumOperands(), 12u); 3694 EXPECT_EQ(Temp1->getOperand(2), Value2); 3695 EXPECT_EQ(Temp1->getOperand(11), Value2); 3696 3697 // Allocate a node that starts off as a large one. 3698 Metadata *OpsLarge[] = {Value1, Value2, Value3, Value4, 3699 Value1, Value2, Value3, Value4, 3700 Value1, Value2, Value3, Value4, 3701 Value1, Value2, Value3, Value4, 3702 Value1, Value2, Value3, Value4}; 3703 MDTuple *C = MDTuple::getDistinct(Context, OpsLarge); 3704 EXPECT_EQ(C->getNumOperands(), 20u); 3705 EXPECT_EQ(C->getOperand(7), Value4); 3706 EXPECT_EQ(C->getOperand(13), Value2); 3707 3708 C->push_back(Value1); 3709 C->push_back(Value2); 3710 EXPECT_EQ(C->getNumOperands(), 22u); 3711 EXPECT_EQ(C->getOperand(21), Value2); 3712 C->pop_back(); 3713 EXPECT_EQ(C->getNumOperands(), 21u); 3714 EXPECT_EQ(C->getOperand(20), Value1); 3715 } 3716 3717 TEST_F(MDTupleAllocationTest, Tracking2) { 3718 // Resize a tuple and check that we can still RAUW one of its operands. 3719 auto *Value1 = getConstantAsMetadata(); 3720 MDTuple *A = getTuple(); 3721 A->push_back(Value1); 3722 A->push_back(Value1); 3723 A->push_back(Value1); // Causes a resize to large. 3724 EXPECT_EQ(A->getOperand(0), Value1); 3725 EXPECT_EQ(A->getOperand(1), Value1); 3726 EXPECT_EQ(A->getOperand(2), Value1); 3727 3728 auto *Value2 = getConstantAsMetadata(); 3729 Value *V1 = Value1->getValue(); 3730 Value *V2 = Value2->getValue(); 3731 ValueAsMetadata::handleRAUW(V1, V2); 3732 3733 EXPECT_EQ(A->getOperand(0), Value2); 3734 EXPECT_EQ(A->getOperand(1), Value2); 3735 EXPECT_EQ(A->getOperand(2), Value2); 3736 } 3737 3738 #if defined(GTEST_HAS_DEATH_TEST) && !defined(NDEBUG) && !defined(GTEST_HAS_SEH) 3739 typedef MetadataTest MDTupleAllocationDeathTest; 3740 TEST_F(MDTupleAllocationDeathTest, ResizeRejected) { 3741 MDTuple *A = MDTuple::get(Context, None); 3742 auto *Value1 = getConstantAsMetadata(); 3743 EXPECT_DEATH(A->push_back(Value1), 3744 "Resizing is not supported for uniqued nodes"); 3745 3746 // Check that a node, which has been allocated as a temporary, 3747 // cannot be resized after it has been uniqued. 3748 auto *Value2 = getConstantAsMetadata(); 3749 auto B = MDTuple::getTemporary(Context, {Value2}); 3750 B->push_back(Value2); 3751 MDTuple *BUniqued = MDNode::replaceWithUniqued(std::move(B)); 3752 EXPECT_EQ(BUniqued->getNumOperands(), 2u); 3753 EXPECT_EQ(BUniqued->getOperand(1), Value2); 3754 EXPECT_DEATH(BUniqued->push_back(Value2), 3755 "Resizing is not supported for uniqued nodes"); 3756 } 3757 #endif 3758 3759 } // end namespace 3760