1 //===- llvm/unittest/IR/IRBuilderTest.cpp - IRBuilder 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/IRBuilder.h" 10 #include "llvm/IR/BasicBlock.h" 11 #include "llvm/IR/DIBuilder.h" 12 #include "llvm/IR/DataLayout.h" 13 #include "llvm/IR/Function.h" 14 #include "llvm/IR/IntrinsicInst.h" 15 #include "llvm/IR/IntrinsicsAArch64.h" 16 #include "llvm/IR/LLVMContext.h" 17 #include "llvm/IR/MDBuilder.h" 18 #include "llvm/IR/Module.h" 19 #include "llvm/IR/NoFolder.h" 20 #include "llvm/IR/Verifier.h" 21 #include "gtest/gtest.h" 22 23 using namespace llvm; 24 25 namespace { 26 27 class IRBuilderTest : public testing::Test { 28 protected: 29 void SetUp() override { 30 M.reset(new Module("MyModule", Ctx)); 31 FunctionType *FTy = FunctionType::get(Type::getVoidTy(Ctx), 32 /*isVarArg=*/false); 33 F = Function::Create(FTy, Function::ExternalLinkage, "", M.get()); 34 BB = BasicBlock::Create(Ctx, "", F); 35 GV = new GlobalVariable(*M, Type::getFloatTy(Ctx), true, 36 GlobalValue::ExternalLinkage, nullptr); 37 } 38 39 void TearDown() override { 40 BB = nullptr; 41 M.reset(); 42 } 43 44 LLVMContext Ctx; 45 std::unique_ptr<Module> M; 46 Function *F; 47 BasicBlock *BB; 48 GlobalVariable *GV; 49 }; 50 51 TEST_F(IRBuilderTest, Intrinsics) { 52 IRBuilder<> Builder(BB); 53 Value *V; 54 Instruction *I; 55 CallInst *Call; 56 IntrinsicInst *II; 57 58 V = Builder.CreateLoad(GV->getValueType(), GV); 59 I = cast<Instruction>(Builder.CreateFAdd(V, V)); 60 I->setHasNoInfs(true); 61 I->setHasNoNaNs(false); 62 63 Call = Builder.CreateMinNum(V, V); 64 II = cast<IntrinsicInst>(Call); 65 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::minnum); 66 67 Call = Builder.CreateMaxNum(V, V); 68 II = cast<IntrinsicInst>(Call); 69 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::maxnum); 70 71 Call = Builder.CreateMinimum(V, V); 72 II = cast<IntrinsicInst>(Call); 73 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::minimum); 74 75 Call = Builder.CreateMaximum(V, V); 76 II = cast<IntrinsicInst>(Call); 77 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::maximum); 78 79 Call = Builder.CreateIntrinsic(Intrinsic::readcyclecounter, {}, {}); 80 II = cast<IntrinsicInst>(Call); 81 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::readcyclecounter); 82 83 Call = Builder.CreateUnaryIntrinsic(Intrinsic::fabs, V); 84 II = cast<IntrinsicInst>(Call); 85 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::fabs); 86 EXPECT_FALSE(II->hasNoInfs()); 87 EXPECT_FALSE(II->hasNoNaNs()); 88 89 Call = Builder.CreateUnaryIntrinsic(Intrinsic::fabs, V, I); 90 II = cast<IntrinsicInst>(Call); 91 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::fabs); 92 EXPECT_TRUE(II->hasNoInfs()); 93 EXPECT_FALSE(II->hasNoNaNs()); 94 95 Call = Builder.CreateBinaryIntrinsic(Intrinsic::pow, V, V); 96 II = cast<IntrinsicInst>(Call); 97 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::pow); 98 EXPECT_FALSE(II->hasNoInfs()); 99 EXPECT_FALSE(II->hasNoNaNs()); 100 101 Call = Builder.CreateBinaryIntrinsic(Intrinsic::pow, V, V, I); 102 II = cast<IntrinsicInst>(Call); 103 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::pow); 104 EXPECT_TRUE(II->hasNoInfs()); 105 EXPECT_FALSE(II->hasNoNaNs()); 106 107 Call = Builder.CreateIntrinsic(Intrinsic::fma, {V->getType()}, {V, V, V}); 108 II = cast<IntrinsicInst>(Call); 109 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::fma); 110 EXPECT_FALSE(II->hasNoInfs()); 111 EXPECT_FALSE(II->hasNoNaNs()); 112 113 Call = Builder.CreateIntrinsic(Intrinsic::fma, {V->getType()}, {V, V, V}, I); 114 II = cast<IntrinsicInst>(Call); 115 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::fma); 116 EXPECT_TRUE(II->hasNoInfs()); 117 EXPECT_FALSE(II->hasNoNaNs()); 118 119 Call = Builder.CreateIntrinsic(Intrinsic::fma, {V->getType()}, {V, V, V}, I); 120 II = cast<IntrinsicInst>(Call); 121 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::fma); 122 EXPECT_TRUE(II->hasNoInfs()); 123 EXPECT_FALSE(II->hasNoNaNs()); 124 } 125 126 TEST_F(IRBuilderTest, IntrinsicsWithScalableVectors) { 127 IRBuilder<> Builder(BB); 128 CallInst *Call; 129 FunctionType *FTy; 130 131 // Test scalable flag isn't dropped for intrinsic that is explicitly defined 132 // with scalable vectors, e.g. LLVMType<nxv4i32>. 133 Type *SrcVecTy = VectorType::get(Builder.getHalfTy(), 8, true); 134 Type *DstVecTy = VectorType::get(Builder.getInt32Ty(), 4, true); 135 Type *PredTy = VectorType::get(Builder.getInt1Ty(), 16, true); 136 137 SmallVector<Value*, 3> ArgTys; 138 ArgTys.push_back(UndefValue::get(DstVecTy)); 139 ArgTys.push_back(UndefValue::get(PredTy)); 140 ArgTys.push_back(UndefValue::get(SrcVecTy)); 141 142 Call = Builder.CreateIntrinsic(Intrinsic::aarch64_sve_fcvtzs_i32f16, {}, 143 ArgTys, nullptr, "aarch64.sve.fcvtzs.i32f16"); 144 FTy = Call->getFunctionType(); 145 EXPECT_EQ(FTy->getReturnType(), DstVecTy); 146 for (unsigned i = 0; i != ArgTys.size(); ++i) 147 EXPECT_EQ(FTy->getParamType(i), ArgTys[i]->getType()); 148 149 // Test scalable flag isn't dropped for intrinsic defined with 150 // LLVMScalarOrSameVectorWidth. 151 152 Type *VecTy = VectorType::get(Builder.getInt32Ty(), 4, true); 153 Type *PtrToVecTy = VecTy->getPointerTo(); 154 PredTy = VectorType::get(Builder.getInt1Ty(), 4, true); 155 156 ArgTys.clear(); 157 ArgTys.push_back(UndefValue::get(PtrToVecTy)); 158 ArgTys.push_back(UndefValue::get(Builder.getInt32Ty())); 159 ArgTys.push_back(UndefValue::get(PredTy)); 160 ArgTys.push_back(UndefValue::get(VecTy)); 161 162 Call = Builder.CreateIntrinsic(Intrinsic::masked_load, 163 {VecTy, PtrToVecTy}, ArgTys, 164 nullptr, "masked.load"); 165 FTy = Call->getFunctionType(); 166 EXPECT_EQ(FTy->getReturnType(), VecTy); 167 for (unsigned i = 0; i != ArgTys.size(); ++i) 168 EXPECT_EQ(FTy->getParamType(i), ArgTys[i]->getType()); 169 } 170 171 TEST_F(IRBuilderTest, ConstrainedFP) { 172 IRBuilder<> Builder(BB); 173 Value *V; 174 Value *VDouble; 175 Value *VInt; 176 CallInst *Call; 177 IntrinsicInst *II; 178 GlobalVariable *GVDouble = new GlobalVariable(*M, Type::getDoubleTy(Ctx), 179 true, GlobalValue::ExternalLinkage, nullptr); 180 181 V = Builder.CreateLoad(GV->getValueType(), GV); 182 VDouble = Builder.CreateLoad(GVDouble->getValueType(), GVDouble); 183 184 // See if we get constrained intrinsics instead of non-constrained 185 // instructions. 186 Builder.setIsFPConstrained(true); 187 auto Parent = BB->getParent(); 188 Parent->addFnAttr(Attribute::StrictFP); 189 190 V = Builder.CreateFAdd(V, V); 191 ASSERT_TRUE(isa<IntrinsicInst>(V)); 192 II = cast<IntrinsicInst>(V); 193 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fadd); 194 195 V = Builder.CreateFSub(V, V); 196 ASSERT_TRUE(isa<IntrinsicInst>(V)); 197 II = cast<IntrinsicInst>(V); 198 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fsub); 199 200 V = Builder.CreateFMul(V, V); 201 ASSERT_TRUE(isa<IntrinsicInst>(V)); 202 II = cast<IntrinsicInst>(V); 203 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fmul); 204 205 V = Builder.CreateFDiv(V, V); 206 ASSERT_TRUE(isa<IntrinsicInst>(V)); 207 II = cast<IntrinsicInst>(V); 208 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fdiv); 209 210 V = Builder.CreateFRem(V, V); 211 ASSERT_TRUE(isa<IntrinsicInst>(V)); 212 II = cast<IntrinsicInst>(V); 213 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_frem); 214 215 VInt = Builder.CreateFPToUI(VDouble, Builder.getInt32Ty()); 216 ASSERT_TRUE(isa<IntrinsicInst>(VInt)); 217 II = cast<IntrinsicInst>(VInt); 218 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fptoui); 219 220 VInt = Builder.CreateFPToSI(VDouble, Builder.getInt32Ty()); 221 ASSERT_TRUE(isa<IntrinsicInst>(VInt)); 222 II = cast<IntrinsicInst>(VInt); 223 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fptosi); 224 225 VDouble = Builder.CreateUIToFP(VInt, Builder.getDoubleTy()); 226 ASSERT_TRUE(isa<IntrinsicInst>(VDouble)); 227 II = cast<IntrinsicInst>(VDouble); 228 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_uitofp); 229 230 VDouble = Builder.CreateSIToFP(VInt, Builder.getDoubleTy()); 231 ASSERT_TRUE(isa<IntrinsicInst>(VDouble)); 232 II = cast<IntrinsicInst>(VDouble); 233 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_sitofp); 234 235 V = Builder.CreateFPTrunc(VDouble, Type::getFloatTy(Ctx)); 236 ASSERT_TRUE(isa<IntrinsicInst>(V)); 237 II = cast<IntrinsicInst>(V); 238 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fptrunc); 239 240 VDouble = Builder.CreateFPExt(V, Type::getDoubleTy(Ctx)); 241 ASSERT_TRUE(isa<IntrinsicInst>(VDouble)); 242 II = cast<IntrinsicInst>(VDouble); 243 EXPECT_EQ(II->getIntrinsicID(), Intrinsic::experimental_constrained_fpext); 244 245 // Verify attributes on the call are created automatically. 246 AttributeSet CallAttrs = II->getAttributes().getFnAttributes(); 247 EXPECT_EQ(CallAttrs.hasAttribute(Attribute::StrictFP), true); 248 249 // Verify attributes on the containing function are created when requested. 250 Builder.setConstrainedFPFunctionAttr(); 251 AttributeList Attrs = BB->getParent()->getAttributes(); 252 AttributeSet FnAttrs = Attrs.getFnAttributes(); 253 EXPECT_EQ(FnAttrs.hasAttribute(Attribute::StrictFP), true); 254 255 // Verify the codepaths for setting and overriding the default metadata. 256 V = Builder.CreateFAdd(V, V); 257 ASSERT_TRUE(isa<ConstrainedFPIntrinsic>(V)); 258 auto *CII = cast<ConstrainedFPIntrinsic>(V); 259 EXPECT_EQ(fp::ebStrict, CII->getExceptionBehavior()); 260 EXPECT_EQ(fp::rmDynamic, CII->getRoundingMode()); 261 262 Builder.setDefaultConstrainedExcept(fp::ebIgnore); 263 Builder.setDefaultConstrainedRounding(fp::rmUpward); 264 V = Builder.CreateFAdd(V, V); 265 CII = cast<ConstrainedFPIntrinsic>(V); 266 EXPECT_EQ(fp::ebIgnore, CII->getExceptionBehavior()); 267 EXPECT_EQ(CII->getRoundingMode(), fp::rmUpward); 268 269 Builder.setDefaultConstrainedExcept(fp::ebIgnore); 270 Builder.setDefaultConstrainedRounding(fp::rmToNearest); 271 V = Builder.CreateFAdd(V, V); 272 CII = cast<ConstrainedFPIntrinsic>(V); 273 EXPECT_EQ(fp::ebIgnore, CII->getExceptionBehavior()); 274 EXPECT_EQ(fp::rmToNearest, CII->getRoundingMode()); 275 276 Builder.setDefaultConstrainedExcept(fp::ebMayTrap); 277 Builder.setDefaultConstrainedRounding(fp::rmDownward); 278 V = Builder.CreateFAdd(V, V); 279 CII = cast<ConstrainedFPIntrinsic>(V); 280 EXPECT_EQ(fp::ebMayTrap, CII->getExceptionBehavior()); 281 EXPECT_EQ(fp::rmDownward, CII->getRoundingMode()); 282 283 Builder.setDefaultConstrainedExcept(fp::ebStrict); 284 Builder.setDefaultConstrainedRounding(fp::rmTowardZero); 285 V = Builder.CreateFAdd(V, V); 286 CII = cast<ConstrainedFPIntrinsic>(V); 287 EXPECT_EQ(fp::ebStrict, CII->getExceptionBehavior()); 288 EXPECT_EQ(fp::rmTowardZero, CII->getRoundingMode()); 289 290 Builder.setDefaultConstrainedExcept(fp::ebIgnore); 291 Builder.setDefaultConstrainedRounding(fp::rmDynamic); 292 V = Builder.CreateFAdd(V, V); 293 CII = cast<ConstrainedFPIntrinsic>(V); 294 EXPECT_EQ(fp::ebIgnore, CII->getExceptionBehavior()); 295 EXPECT_EQ(fp::rmDynamic, CII->getRoundingMode()); 296 297 // Now override the defaults. 298 Call = Builder.CreateConstrainedFPBinOp( 299 Intrinsic::experimental_constrained_fadd, V, V, nullptr, "", nullptr, 300 fp::rmDownward, fp::ebMayTrap); 301 CII = cast<ConstrainedFPIntrinsic>(Call); 302 EXPECT_EQ(CII->getIntrinsicID(), Intrinsic::experimental_constrained_fadd); 303 EXPECT_EQ(fp::ebMayTrap, CII->getExceptionBehavior()); 304 EXPECT_EQ(fp::rmDownward, CII->getRoundingMode()); 305 306 Builder.CreateRetVoid(); 307 EXPECT_FALSE(verifyModule(*M)); 308 } 309 310 TEST_F(IRBuilderTest, Lifetime) { 311 IRBuilder<> Builder(BB); 312 AllocaInst *Var1 = Builder.CreateAlloca(Builder.getInt8Ty()); 313 AllocaInst *Var2 = Builder.CreateAlloca(Builder.getInt32Ty()); 314 AllocaInst *Var3 = Builder.CreateAlloca(Builder.getInt8Ty(), 315 Builder.getInt32(123)); 316 317 CallInst *Start1 = Builder.CreateLifetimeStart(Var1); 318 CallInst *Start2 = Builder.CreateLifetimeStart(Var2); 319 CallInst *Start3 = Builder.CreateLifetimeStart(Var3, Builder.getInt64(100)); 320 321 EXPECT_EQ(Start1->getArgOperand(0), Builder.getInt64(-1)); 322 EXPECT_EQ(Start2->getArgOperand(0), Builder.getInt64(-1)); 323 EXPECT_EQ(Start3->getArgOperand(0), Builder.getInt64(100)); 324 325 EXPECT_EQ(Start1->getArgOperand(1), Var1); 326 EXPECT_NE(Start2->getArgOperand(1), Var2); 327 EXPECT_EQ(Start3->getArgOperand(1), Var3); 328 329 Value *End1 = Builder.CreateLifetimeEnd(Var1); 330 Builder.CreateLifetimeEnd(Var2); 331 Builder.CreateLifetimeEnd(Var3); 332 333 IntrinsicInst *II_Start1 = dyn_cast<IntrinsicInst>(Start1); 334 IntrinsicInst *II_End1 = dyn_cast<IntrinsicInst>(End1); 335 ASSERT_TRUE(II_Start1 != nullptr); 336 EXPECT_EQ(II_Start1->getIntrinsicID(), Intrinsic::lifetime_start); 337 ASSERT_TRUE(II_End1 != nullptr); 338 EXPECT_EQ(II_End1->getIntrinsicID(), Intrinsic::lifetime_end); 339 } 340 341 TEST_F(IRBuilderTest, CreateCondBr) { 342 IRBuilder<> Builder(BB); 343 BasicBlock *TBB = BasicBlock::Create(Ctx, "", F); 344 BasicBlock *FBB = BasicBlock::Create(Ctx, "", F); 345 346 BranchInst *BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB); 347 Instruction *TI = BB->getTerminator(); 348 EXPECT_EQ(BI, TI); 349 EXPECT_EQ(2u, TI->getNumSuccessors()); 350 EXPECT_EQ(TBB, TI->getSuccessor(0)); 351 EXPECT_EQ(FBB, TI->getSuccessor(1)); 352 353 BI->eraseFromParent(); 354 MDNode *Weights = MDBuilder(Ctx).createBranchWeights(42, 13); 355 BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB, Weights); 356 TI = BB->getTerminator(); 357 EXPECT_EQ(BI, TI); 358 EXPECT_EQ(2u, TI->getNumSuccessors()); 359 EXPECT_EQ(TBB, TI->getSuccessor(0)); 360 EXPECT_EQ(FBB, TI->getSuccessor(1)); 361 EXPECT_EQ(Weights, TI->getMetadata(LLVMContext::MD_prof)); 362 } 363 364 TEST_F(IRBuilderTest, LandingPadName) { 365 IRBuilder<> Builder(BB); 366 LandingPadInst *LP = Builder.CreateLandingPad(Builder.getInt32Ty(), 0, "LP"); 367 EXPECT_EQ(LP->getName(), "LP"); 368 } 369 370 TEST_F(IRBuilderTest, DataLayout) { 371 std::unique_ptr<Module> M(new Module("test", Ctx)); 372 M->setDataLayout("e-n32"); 373 EXPECT_TRUE(M->getDataLayout().isLegalInteger(32)); 374 M->setDataLayout("e"); 375 EXPECT_FALSE(M->getDataLayout().isLegalInteger(32)); 376 } 377 378 TEST_F(IRBuilderTest, GetIntTy) { 379 IRBuilder<> Builder(BB); 380 IntegerType *Ty1 = Builder.getInt1Ty(); 381 EXPECT_EQ(Ty1, IntegerType::get(Ctx, 1)); 382 383 DataLayout* DL = new DataLayout(M.get()); 384 IntegerType *IntPtrTy = Builder.getIntPtrTy(*DL); 385 unsigned IntPtrBitSize = DL->getPointerSizeInBits(0); 386 EXPECT_EQ(IntPtrTy, IntegerType::get(Ctx, IntPtrBitSize)); 387 delete DL; 388 } 389 390 TEST_F(IRBuilderTest, UnaryOperators) { 391 IRBuilder<NoFolder> Builder(BB); 392 Value *V = Builder.CreateLoad(GV->getValueType(), GV); 393 394 // Test CreateUnOp(X) 395 Value *U = Builder.CreateUnOp(Instruction::FNeg, V); 396 ASSERT_TRUE(isa<Instruction>(U)); 397 ASSERT_TRUE(isa<FPMathOperator>(U)); 398 ASSERT_TRUE(isa<UnaryOperator>(U)); 399 ASSERT_FALSE(isa<BinaryOperator>(U)); 400 401 // Test CreateFNegFMF(X) 402 Instruction *I = cast<Instruction>(U); 403 I->setHasNoSignedZeros(true); 404 I->setHasNoNaNs(true); 405 Value *VFMF = Builder.CreateFNegFMF(V, I); 406 Instruction *IFMF = cast<Instruction>(VFMF); 407 EXPECT_TRUE(IFMF->hasNoSignedZeros()); 408 EXPECT_TRUE(IFMF->hasNoNaNs()); 409 EXPECT_FALSE(IFMF->hasAllowReassoc()); 410 } 411 412 TEST_F(IRBuilderTest, FastMathFlags) { 413 IRBuilder<> Builder(BB); 414 Value *F, *FC; 415 Instruction *FDiv, *FAdd, *FCmp, *FCall; 416 417 F = Builder.CreateLoad(GV->getValueType(), GV); 418 F = Builder.CreateFAdd(F, F); 419 420 EXPECT_FALSE(Builder.getFastMathFlags().any()); 421 ASSERT_TRUE(isa<Instruction>(F)); 422 FAdd = cast<Instruction>(F); 423 EXPECT_FALSE(FAdd->hasNoNaNs()); 424 425 FastMathFlags FMF; 426 Builder.setFastMathFlags(FMF); 427 428 // By default, no flags are set. 429 F = Builder.CreateFAdd(F, F); 430 EXPECT_FALSE(Builder.getFastMathFlags().any()); 431 ASSERT_TRUE(isa<Instruction>(F)); 432 FAdd = cast<Instruction>(F); 433 EXPECT_FALSE(FAdd->hasNoNaNs()); 434 EXPECT_FALSE(FAdd->hasNoInfs()); 435 EXPECT_FALSE(FAdd->hasNoSignedZeros()); 436 EXPECT_FALSE(FAdd->hasAllowReciprocal()); 437 EXPECT_FALSE(FAdd->hasAllowContract()); 438 EXPECT_FALSE(FAdd->hasAllowReassoc()); 439 EXPECT_FALSE(FAdd->hasApproxFunc()); 440 441 // Set all flags in the instruction. 442 FAdd->setFast(true); 443 EXPECT_TRUE(FAdd->hasNoNaNs()); 444 EXPECT_TRUE(FAdd->hasNoInfs()); 445 EXPECT_TRUE(FAdd->hasNoSignedZeros()); 446 EXPECT_TRUE(FAdd->hasAllowReciprocal()); 447 EXPECT_TRUE(FAdd->hasAllowContract()); 448 EXPECT_TRUE(FAdd->hasAllowReassoc()); 449 EXPECT_TRUE(FAdd->hasApproxFunc()); 450 451 // All flags are set in the builder. 452 FMF.setFast(); 453 Builder.setFastMathFlags(FMF); 454 455 F = Builder.CreateFAdd(F, F); 456 EXPECT_TRUE(Builder.getFastMathFlags().any()); 457 EXPECT_TRUE(Builder.getFastMathFlags().all()); 458 ASSERT_TRUE(isa<Instruction>(F)); 459 FAdd = cast<Instruction>(F); 460 EXPECT_TRUE(FAdd->hasNoNaNs()); 461 EXPECT_TRUE(FAdd->isFast()); 462 463 // Now, try it with CreateBinOp 464 F = Builder.CreateBinOp(Instruction::FAdd, F, F); 465 EXPECT_TRUE(Builder.getFastMathFlags().any()); 466 ASSERT_TRUE(isa<Instruction>(F)); 467 FAdd = cast<Instruction>(F); 468 EXPECT_TRUE(FAdd->hasNoNaNs()); 469 EXPECT_TRUE(FAdd->isFast()); 470 471 F = Builder.CreateFDiv(F, F); 472 EXPECT_TRUE(Builder.getFastMathFlags().all()); 473 ASSERT_TRUE(isa<Instruction>(F)); 474 FDiv = cast<Instruction>(F); 475 EXPECT_TRUE(FDiv->hasAllowReciprocal()); 476 477 // Clear all FMF in the builder. 478 Builder.clearFastMathFlags(); 479 480 F = Builder.CreateFDiv(F, F); 481 ASSERT_TRUE(isa<Instruction>(F)); 482 FDiv = cast<Instruction>(F); 483 EXPECT_FALSE(FDiv->hasAllowReciprocal()); 484 485 // Try individual flags. 486 FMF.clear(); 487 FMF.setAllowReciprocal(); 488 Builder.setFastMathFlags(FMF); 489 490 F = Builder.CreateFDiv(F, F); 491 EXPECT_TRUE(Builder.getFastMathFlags().any()); 492 EXPECT_TRUE(Builder.getFastMathFlags().AllowReciprocal); 493 ASSERT_TRUE(isa<Instruction>(F)); 494 FDiv = cast<Instruction>(F); 495 EXPECT_TRUE(FDiv->hasAllowReciprocal()); 496 497 Builder.clearFastMathFlags(); 498 499 FC = Builder.CreateFCmpOEQ(F, F); 500 ASSERT_TRUE(isa<Instruction>(FC)); 501 FCmp = cast<Instruction>(FC); 502 EXPECT_FALSE(FCmp->hasAllowReciprocal()); 503 504 FMF.clear(); 505 FMF.setAllowReciprocal(); 506 Builder.setFastMathFlags(FMF); 507 508 FC = Builder.CreateFCmpOEQ(F, F); 509 EXPECT_TRUE(Builder.getFastMathFlags().any()); 510 EXPECT_TRUE(Builder.getFastMathFlags().AllowReciprocal); 511 ASSERT_TRUE(isa<Instruction>(FC)); 512 FCmp = cast<Instruction>(FC); 513 EXPECT_TRUE(FCmp->hasAllowReciprocal()); 514 515 Builder.clearFastMathFlags(); 516 517 // Test FP-contract 518 FC = Builder.CreateFAdd(F, F); 519 ASSERT_TRUE(isa<Instruction>(FC)); 520 FAdd = cast<Instruction>(FC); 521 EXPECT_FALSE(FAdd->hasAllowContract()); 522 523 FMF.clear(); 524 FMF.setAllowContract(true); 525 Builder.setFastMathFlags(FMF); 526 527 FC = Builder.CreateFAdd(F, F); 528 EXPECT_TRUE(Builder.getFastMathFlags().any()); 529 EXPECT_TRUE(Builder.getFastMathFlags().AllowContract); 530 ASSERT_TRUE(isa<Instruction>(FC)); 531 FAdd = cast<Instruction>(FC); 532 EXPECT_TRUE(FAdd->hasAllowContract()); 533 534 FMF.setApproxFunc(); 535 Builder.clearFastMathFlags(); 536 Builder.setFastMathFlags(FMF); 537 // Now 'aml' and 'contract' are set. 538 F = Builder.CreateFMul(F, F); 539 FAdd = cast<Instruction>(F); 540 EXPECT_TRUE(FAdd->hasApproxFunc()); 541 EXPECT_TRUE(FAdd->hasAllowContract()); 542 EXPECT_FALSE(FAdd->hasAllowReassoc()); 543 544 FMF.setAllowReassoc(); 545 Builder.clearFastMathFlags(); 546 Builder.setFastMathFlags(FMF); 547 // Now 'aml' and 'contract' and 'reassoc' are set. 548 F = Builder.CreateFMul(F, F); 549 FAdd = cast<Instruction>(F); 550 EXPECT_TRUE(FAdd->hasApproxFunc()); 551 EXPECT_TRUE(FAdd->hasAllowContract()); 552 EXPECT_TRUE(FAdd->hasAllowReassoc()); 553 554 // Test a call with FMF. 555 auto CalleeTy = FunctionType::get(Type::getFloatTy(Ctx), 556 /*isVarArg=*/false); 557 auto Callee = 558 Function::Create(CalleeTy, Function::ExternalLinkage, "", M.get()); 559 560 FCall = Builder.CreateCall(Callee, None); 561 EXPECT_FALSE(FCall->hasNoNaNs()); 562 563 Function *V = 564 Function::Create(CalleeTy, Function::ExternalLinkage, "", M.get()); 565 FCall = Builder.CreateCall(V, None); 566 EXPECT_FALSE(FCall->hasNoNaNs()); 567 568 FMF.clear(); 569 FMF.setNoNaNs(); 570 Builder.setFastMathFlags(FMF); 571 572 FCall = Builder.CreateCall(Callee, None); 573 EXPECT_TRUE(Builder.getFastMathFlags().any()); 574 EXPECT_TRUE(Builder.getFastMathFlags().NoNaNs); 575 EXPECT_TRUE(FCall->hasNoNaNs()); 576 577 FCall = Builder.CreateCall(V, None); 578 EXPECT_TRUE(Builder.getFastMathFlags().any()); 579 EXPECT_TRUE(Builder.getFastMathFlags().NoNaNs); 580 EXPECT_TRUE(FCall->hasNoNaNs()); 581 582 Builder.clearFastMathFlags(); 583 584 // To test a copy, make sure that a '0' and a '1' change state. 585 F = Builder.CreateFDiv(F, F); 586 ASSERT_TRUE(isa<Instruction>(F)); 587 FDiv = cast<Instruction>(F); 588 EXPECT_FALSE(FDiv->getFastMathFlags().any()); 589 FDiv->setHasAllowReciprocal(true); 590 FAdd->setHasAllowReciprocal(false); 591 FAdd->setHasNoNaNs(true); 592 FDiv->copyFastMathFlags(FAdd); 593 EXPECT_TRUE(FDiv->hasNoNaNs()); 594 EXPECT_FALSE(FDiv->hasAllowReciprocal()); 595 596 } 597 598 TEST_F(IRBuilderTest, WrapFlags) { 599 IRBuilder<NoFolder> Builder(BB); 600 601 // Test instructions. 602 GlobalVariable *G = new GlobalVariable(*M, Builder.getInt32Ty(), true, 603 GlobalValue::ExternalLinkage, nullptr); 604 Value *V = Builder.CreateLoad(G->getValueType(), G); 605 EXPECT_TRUE( 606 cast<BinaryOperator>(Builder.CreateNSWAdd(V, V))->hasNoSignedWrap()); 607 EXPECT_TRUE( 608 cast<BinaryOperator>(Builder.CreateNSWMul(V, V))->hasNoSignedWrap()); 609 EXPECT_TRUE( 610 cast<BinaryOperator>(Builder.CreateNSWSub(V, V))->hasNoSignedWrap()); 611 EXPECT_TRUE(cast<BinaryOperator>( 612 Builder.CreateShl(V, V, "", /* NUW */ false, /* NSW */ true)) 613 ->hasNoSignedWrap()); 614 615 EXPECT_TRUE( 616 cast<BinaryOperator>(Builder.CreateNUWAdd(V, V))->hasNoUnsignedWrap()); 617 EXPECT_TRUE( 618 cast<BinaryOperator>(Builder.CreateNUWMul(V, V))->hasNoUnsignedWrap()); 619 EXPECT_TRUE( 620 cast<BinaryOperator>(Builder.CreateNUWSub(V, V))->hasNoUnsignedWrap()); 621 EXPECT_TRUE(cast<BinaryOperator>( 622 Builder.CreateShl(V, V, "", /* NUW */ true, /* NSW */ false)) 623 ->hasNoUnsignedWrap()); 624 625 // Test operators created with constants. 626 Constant *C = Builder.getInt32(42); 627 EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNSWAdd(C, C)) 628 ->hasNoSignedWrap()); 629 EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNSWSub(C, C)) 630 ->hasNoSignedWrap()); 631 EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNSWMul(C, C)) 632 ->hasNoSignedWrap()); 633 EXPECT_TRUE(cast<OverflowingBinaryOperator>( 634 Builder.CreateShl(C, C, "", /* NUW */ false, /* NSW */ true)) 635 ->hasNoSignedWrap()); 636 637 EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNUWAdd(C, C)) 638 ->hasNoUnsignedWrap()); 639 EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNUWSub(C, C)) 640 ->hasNoUnsignedWrap()); 641 EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNUWMul(C, C)) 642 ->hasNoUnsignedWrap()); 643 EXPECT_TRUE(cast<OverflowingBinaryOperator>( 644 Builder.CreateShl(C, C, "", /* NUW */ true, /* NSW */ false)) 645 ->hasNoUnsignedWrap()); 646 } 647 648 TEST_F(IRBuilderTest, RAIIHelpersTest) { 649 IRBuilder<> Builder(BB); 650 EXPECT_FALSE(Builder.getFastMathFlags().allowReciprocal()); 651 MDBuilder MDB(M->getContext()); 652 653 MDNode *FPMathA = MDB.createFPMath(0.01f); 654 MDNode *FPMathB = MDB.createFPMath(0.1f); 655 656 Builder.setDefaultFPMathTag(FPMathA); 657 658 { 659 IRBuilder<>::FastMathFlagGuard Guard(Builder); 660 FastMathFlags FMF; 661 FMF.setAllowReciprocal(); 662 Builder.setFastMathFlags(FMF); 663 Builder.setDefaultFPMathTag(FPMathB); 664 EXPECT_TRUE(Builder.getFastMathFlags().allowReciprocal()); 665 EXPECT_EQ(FPMathB, Builder.getDefaultFPMathTag()); 666 } 667 668 EXPECT_FALSE(Builder.getFastMathFlags().allowReciprocal()); 669 EXPECT_EQ(FPMathA, Builder.getDefaultFPMathTag()); 670 671 Value *F = Builder.CreateLoad(GV->getValueType(), GV); 672 673 { 674 IRBuilder<>::InsertPointGuard Guard(Builder); 675 Builder.SetInsertPoint(cast<Instruction>(F)); 676 EXPECT_EQ(F, &*Builder.GetInsertPoint()); 677 } 678 679 EXPECT_EQ(BB->end(), Builder.GetInsertPoint()); 680 EXPECT_EQ(BB, Builder.GetInsertBlock()); 681 } 682 683 TEST_F(IRBuilderTest, createFunction) { 684 IRBuilder<> Builder(BB); 685 DIBuilder DIB(*M); 686 auto File = DIB.createFile("error.swift", "/"); 687 auto CU = 688 DIB.createCompileUnit(dwarf::DW_LANG_Swift, File, "swiftc", true, "", 0); 689 auto Type = DIB.createSubroutineType(DIB.getOrCreateTypeArray(None)); 690 auto NoErr = DIB.createFunction( 691 CU, "noerr", "", File, 1, Type, 1, DINode::FlagZero, 692 DISubprogram::SPFlagDefinition | DISubprogram::SPFlagOptimized); 693 EXPECT_TRUE(!NoErr->getThrownTypes()); 694 auto Int = DIB.createBasicType("Int", 64, dwarf::DW_ATE_signed); 695 auto Error = DIB.getOrCreateArray({Int}); 696 auto Err = DIB.createFunction( 697 CU, "err", "", File, 1, Type, 1, DINode::FlagZero, 698 DISubprogram::SPFlagDefinition | DISubprogram::SPFlagOptimized, nullptr, 699 nullptr, Error.get()); 700 EXPECT_TRUE(Err->getThrownTypes().get() == Error.get()); 701 DIB.finalize(); 702 } 703 704 TEST_F(IRBuilderTest, DIBuilder) { 705 IRBuilder<> Builder(BB); 706 DIBuilder DIB(*M); 707 auto File = DIB.createFile("F.CBL", "/"); 708 auto CU = DIB.createCompileUnit(dwarf::DW_LANG_Cobol74, 709 DIB.createFile("F.CBL", "/"), "llvm-cobol74", 710 true, "", 0); 711 auto Type = DIB.createSubroutineType(DIB.getOrCreateTypeArray(None)); 712 auto SP = DIB.createFunction( 713 CU, "foo", "", File, 1, Type, 1, DINode::FlagZero, 714 DISubprogram::SPFlagDefinition | DISubprogram::SPFlagOptimized); 715 F->setSubprogram(SP); 716 AllocaInst *I = Builder.CreateAlloca(Builder.getInt8Ty()); 717 auto BarSP = DIB.createFunction( 718 CU, "bar", "", File, 1, Type, 1, DINode::FlagZero, 719 DISubprogram::SPFlagDefinition | DISubprogram::SPFlagOptimized); 720 auto BadScope = DIB.createLexicalBlockFile(BarSP, File, 0); 721 I->setDebugLoc(DebugLoc::get(2, 0, BadScope)); 722 DIB.finalize(); 723 EXPECT_TRUE(verifyModule(*M)); 724 } 725 726 TEST_F(IRBuilderTest, createArtificialSubprogram) { 727 IRBuilder<> Builder(BB); 728 DIBuilder DIB(*M); 729 auto File = DIB.createFile("main.c", "/"); 730 auto CU = DIB.createCompileUnit(dwarf::DW_LANG_C, File, "clang", 731 /*isOptimized=*/true, /*Flags=*/"", 732 /*Runtime Version=*/0); 733 auto Type = DIB.createSubroutineType(DIB.getOrCreateTypeArray(None)); 734 auto SP = DIB.createFunction( 735 CU, "foo", /*LinkageName=*/"", File, 736 /*LineNo=*/1, Type, /*ScopeLine=*/2, DINode::FlagZero, 737 DISubprogram::SPFlagDefinition | DISubprogram::SPFlagOptimized); 738 EXPECT_TRUE(SP->isDistinct()); 739 740 F->setSubprogram(SP); 741 AllocaInst *I = Builder.CreateAlloca(Builder.getInt8Ty()); 742 ReturnInst *R = Builder.CreateRetVoid(); 743 I->setDebugLoc(DebugLoc::get(3, 2, SP)); 744 R->setDebugLoc(DebugLoc::get(4, 2, SP)); 745 DIB.finalize(); 746 EXPECT_FALSE(verifyModule(*M)); 747 748 Function *G = Function::Create(F->getFunctionType(), 749 Function::ExternalLinkage, "", M.get()); 750 BasicBlock *GBB = BasicBlock::Create(Ctx, "", G); 751 Builder.SetInsertPoint(GBB); 752 I->removeFromParent(); 753 Builder.Insert(I); 754 Builder.CreateRetVoid(); 755 EXPECT_FALSE(verifyModule(*M)); 756 757 DISubprogram *GSP = DIBuilder::createArtificialSubprogram(F->getSubprogram()); 758 EXPECT_EQ(SP->getFile(), GSP->getFile()); 759 EXPECT_EQ(SP->getType(), GSP->getType()); 760 EXPECT_EQ(SP->getLine(), GSP->getLine()); 761 EXPECT_EQ(SP->getScopeLine(), GSP->getScopeLine()); 762 EXPECT_TRUE(GSP->isDistinct()); 763 764 G->setSubprogram(GSP); 765 EXPECT_TRUE(verifyModule(*M)); 766 767 auto *InlinedAtNode = 768 DILocation::getDistinct(Ctx, GSP->getScopeLine(), 0, GSP); 769 DebugLoc DL = I->getDebugLoc(); 770 DenseMap<const MDNode *, MDNode *> IANodes; 771 auto IA = DebugLoc::appendInlinedAt(DL, InlinedAtNode, Ctx, IANodes); 772 auto NewDL = DebugLoc::get(DL.getLine(), DL.getCol(), DL.getScope(), IA); 773 I->setDebugLoc(NewDL); 774 EXPECT_FALSE(verifyModule(*M)); 775 776 EXPECT_EQ("foo", SP->getName()); 777 EXPECT_EQ("foo", GSP->getName()); 778 EXPECT_FALSE(SP->isArtificial()); 779 EXPECT_TRUE(GSP->isArtificial()); 780 } 781 782 TEST_F(IRBuilderTest, InsertExtractElement) { 783 IRBuilder<> Builder(BB); 784 785 auto VecTy = VectorType::get(Builder.getInt64Ty(), 4); 786 auto Elt1 = Builder.getInt64(-1); 787 auto Elt2 = Builder.getInt64(-2); 788 Value *Vec = UndefValue::get(VecTy); 789 Vec = Builder.CreateInsertElement(Vec, Elt1, Builder.getInt8(1)); 790 Vec = Builder.CreateInsertElement(Vec, Elt2, 2); 791 auto X1 = Builder.CreateExtractElement(Vec, 1); 792 auto X2 = Builder.CreateExtractElement(Vec, Builder.getInt32(2)); 793 EXPECT_EQ(Elt1, X1); 794 EXPECT_EQ(Elt2, X2); 795 } 796 797 TEST_F(IRBuilderTest, CreateGlobalStringPtr) { 798 IRBuilder<> Builder(BB); 799 800 auto String1a = Builder.CreateGlobalStringPtr("TestString", "String1a"); 801 auto String1b = Builder.CreateGlobalStringPtr("TestString", "String1b", 0); 802 auto String2 = Builder.CreateGlobalStringPtr("TestString", "String2", 1); 803 auto String3 = Builder.CreateGlobalString("TestString", "String3", 2); 804 805 EXPECT_TRUE(String1a->getType()->getPointerAddressSpace() == 0); 806 EXPECT_TRUE(String1b->getType()->getPointerAddressSpace() == 0); 807 EXPECT_TRUE(String2->getType()->getPointerAddressSpace() == 1); 808 EXPECT_TRUE(String3->getType()->getPointerAddressSpace() == 2); 809 } 810 811 TEST_F(IRBuilderTest, DebugLoc) { 812 auto CalleeTy = FunctionType::get(Type::getVoidTy(Ctx), 813 /*isVarArg=*/false); 814 auto Callee = 815 Function::Create(CalleeTy, Function::ExternalLinkage, "", M.get()); 816 817 DIBuilder DIB(*M); 818 auto File = DIB.createFile("tmp.cpp", "/"); 819 auto CU = DIB.createCompileUnit(dwarf::DW_LANG_C_plus_plus_11, 820 DIB.createFile("tmp.cpp", "/"), "", true, "", 821 0); 822 auto SPType = DIB.createSubroutineType(DIB.getOrCreateTypeArray(None)); 823 auto SP = 824 DIB.createFunction(CU, "foo", "foo", File, 1, SPType, 1, DINode::FlagZero, 825 DISubprogram::SPFlagDefinition); 826 DebugLoc DL1 = DILocation::get(Ctx, 2, 0, SP); 827 DebugLoc DL2 = DILocation::get(Ctx, 3, 0, SP); 828 829 auto BB2 = BasicBlock::Create(Ctx, "bb2", F); 830 auto Br = BranchInst::Create(BB2, BB); 831 Br->setDebugLoc(DL1); 832 833 IRBuilder<> Builder(Ctx); 834 Builder.SetInsertPoint(Br); 835 EXPECT_EQ(DL1, Builder.getCurrentDebugLocation()); 836 auto Call1 = Builder.CreateCall(Callee, None); 837 EXPECT_EQ(DL1, Call1->getDebugLoc()); 838 839 Call1->setDebugLoc(DL2); 840 Builder.SetInsertPoint(Call1->getParent(), Call1->getIterator()); 841 EXPECT_EQ(DL2, Builder.getCurrentDebugLocation()); 842 auto Call2 = Builder.CreateCall(Callee, None); 843 EXPECT_EQ(DL2, Call2->getDebugLoc()); 844 845 DIB.finalize(); 846 } 847 848 TEST_F(IRBuilderTest, DIImportedEntity) { 849 IRBuilder<> Builder(BB); 850 DIBuilder DIB(*M); 851 auto F = DIB.createFile("F.CBL", "/"); 852 auto CU = DIB.createCompileUnit(dwarf::DW_LANG_Cobol74, 853 F, "llvm-cobol74", 854 true, "", 0); 855 DIB.createImportedDeclaration(CU, nullptr, F, 1); 856 DIB.createImportedDeclaration(CU, nullptr, F, 1); 857 DIB.createImportedModule(CU, (DIImportedEntity *)nullptr, F, 2); 858 DIB.createImportedModule(CU, (DIImportedEntity *)nullptr, F, 2); 859 DIB.finalize(); 860 EXPECT_TRUE(verifyModule(*M)); 861 EXPECT_TRUE(CU->getImportedEntities().size() == 2); 862 } 863 864 // 0: #define M0 V0 <-- command line definition 865 // 0: main.c <-- main file 866 // 3: #define M1 V1 <-- M1 definition in main.c 867 // 5: #include "file.h" <-- inclusion of file.h from main.c 868 // 1: #define M2 <-- M2 definition in file.h with no value 869 // 7: #undef M1 V1 <-- M1 un-definition in main.c 870 TEST_F(IRBuilderTest, DIBuilderMacro) { 871 IRBuilder<> Builder(BB); 872 DIBuilder DIB(*M); 873 auto File1 = DIB.createFile("main.c", "/"); 874 auto File2 = DIB.createFile("file.h", "/"); 875 auto CU = DIB.createCompileUnit( 876 dwarf::DW_LANG_C, DIB.createFile("main.c", "/"), "llvm-c", true, "", 0); 877 auto MDef0 = 878 DIB.createMacro(nullptr, 0, dwarf::DW_MACINFO_define, "M0", "V0"); 879 auto TMF1 = DIB.createTempMacroFile(nullptr, 0, File1); 880 auto MDef1 = DIB.createMacro(TMF1, 3, dwarf::DW_MACINFO_define, "M1", "V1"); 881 auto TMF2 = DIB.createTempMacroFile(TMF1, 5, File2); 882 auto MDef2 = DIB.createMacro(TMF2, 1, dwarf::DW_MACINFO_define, "M2"); 883 auto MUndef1 = DIB.createMacro(TMF1, 7, dwarf::DW_MACINFO_undef, "M1"); 884 885 EXPECT_EQ(dwarf::DW_MACINFO_define, MDef1->getMacinfoType()); 886 EXPECT_EQ(3u, MDef1->getLine()); 887 EXPECT_EQ("M1", MDef1->getName()); 888 EXPECT_EQ("V1", MDef1->getValue()); 889 890 EXPECT_EQ(dwarf::DW_MACINFO_undef, MUndef1->getMacinfoType()); 891 EXPECT_EQ(7u, MUndef1->getLine()); 892 EXPECT_EQ("M1", MUndef1->getName()); 893 EXPECT_EQ("", MUndef1->getValue()); 894 895 EXPECT_EQ(dwarf::DW_MACINFO_start_file, TMF2->getMacinfoType()); 896 EXPECT_EQ(5u, TMF2->getLine()); 897 EXPECT_EQ(File2, TMF2->getFile()); 898 899 DIB.finalize(); 900 901 SmallVector<Metadata *, 4> Elements; 902 Elements.push_back(MDef2); 903 auto MF2 = DIMacroFile::get(Ctx, dwarf::DW_MACINFO_start_file, 5, File2, 904 DIB.getOrCreateMacroArray(Elements)); 905 906 Elements.clear(); 907 Elements.push_back(MDef1); 908 Elements.push_back(MF2); 909 Elements.push_back(MUndef1); 910 auto MF1 = DIMacroFile::get(Ctx, dwarf::DW_MACINFO_start_file, 0, File1, 911 DIB.getOrCreateMacroArray(Elements)); 912 913 Elements.clear(); 914 Elements.push_back(MDef0); 915 Elements.push_back(MF1); 916 auto MN0 = MDTuple::get(Ctx, Elements); 917 EXPECT_EQ(MN0, CU->getRawMacros()); 918 919 Elements.clear(); 920 Elements.push_back(MDef1); 921 Elements.push_back(MF2); 922 Elements.push_back(MUndef1); 923 auto MN1 = MDTuple::get(Ctx, Elements); 924 EXPECT_EQ(MN1, MF1->getRawElements()); 925 926 Elements.clear(); 927 Elements.push_back(MDef2); 928 auto MN2 = MDTuple::get(Ctx, Elements); 929 EXPECT_EQ(MN2, MF2->getRawElements()); 930 EXPECT_TRUE(verifyModule(*M)); 931 } 932 } 933