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[mlir][openacc] Initial translation for DataOp to LLVM IR
Add basic translation of acc.data to LLVM IR with runtime calls. Reviewed By: jdoerfert Differential Revision: https://reviews.llvm.org/D104301
This commit is contained in:
Valentin Clement
clementval
parent
5b7208da36
commit
c463fa6cad
@ -636,6 +636,31 @@ public:
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createOffloadMapnames(SmallVectorImpl<llvm::Constant *> &Names,
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std::string VarName);
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struct MapperAllocas {
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AllocaInst *ArgsBase = nullptr;
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AllocaInst *Args = nullptr;
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AllocaInst *ArgSizes = nullptr;
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};
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/// Create the allocas instruction used in call to mapper functions.
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void createMapperAllocas(const LocationDescription &Loc,
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InsertPointTy AllocaIP, unsigned NumOperands,
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struct MapperAllocas &MapperAllocas);
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/// Create the call for the target mapper function.
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/// \param Loc The source location description.
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/// \param MapperFunc Function to be called.
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/// \param SrcLocInfo Source location information global.
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/// \param MaptypesArgs
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/// \param MapnamesArg
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/// \param MapperAllocas The AllocaInst used for the call.
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/// \param DeviceID Device ID for the call.
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/// \param TotalNbOperand Number of operand in the call.
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void emitMapperCall(const LocationDescription &Loc, Function *MapperFunc,
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Value *SrcLocInfo, Value *MaptypesArg, Value *MapnamesArg,
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struct MapperAllocas &MapperAllocas, int64_t DeviceID,
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unsigned NumOperands);
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public:
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/// Generator for __kmpc_copyprivate
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///
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@ -2318,6 +2318,51 @@ OpenMPIRBuilder::createOffloadMaptypes(SmallVectorImpl<uint64_t> &Mappings,
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return MaptypesArrayGlobal;
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}
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void OpenMPIRBuilder::createMapperAllocas(const LocationDescription &Loc,
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InsertPointTy AllocaIP,
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unsigned NumOperands,
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struct MapperAllocas &MapperAllocas) {
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if (!updateToLocation(Loc))
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return;
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auto *ArrI8PtrTy = ArrayType::get(Int8Ptr, NumOperands);
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auto *ArrI64Ty = ArrayType::get(Int64, NumOperands);
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Builder.restoreIP(AllocaIP);
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AllocaInst *ArgsBase = Builder.CreateAlloca(ArrI8PtrTy);
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AllocaInst *Args = Builder.CreateAlloca(ArrI8PtrTy);
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AllocaInst *ArgSizes = Builder.CreateAlloca(ArrI64Ty);
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Builder.restoreIP(Loc.IP);
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MapperAllocas.ArgsBase = ArgsBase;
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MapperAllocas.Args = Args;
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MapperAllocas.ArgSizes = ArgSizes;
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}
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void OpenMPIRBuilder::emitMapperCall(const LocationDescription &Loc,
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Function *MapperFunc, Value *SrcLocInfo,
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Value *MaptypesArg, Value *MapnamesArg,
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struct MapperAllocas &MapperAllocas,
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int64_t DeviceID, unsigned NumOperands) {
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if (!updateToLocation(Loc))
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return;
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auto *ArrI8PtrTy = ArrayType::get(Int8Ptr, NumOperands);
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auto *ArrI64Ty = ArrayType::get(Int64, NumOperands);
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Value *ArgsBaseGEP =
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Builder.CreateInBoundsGEP(ArrI8PtrTy, MapperAllocas.ArgsBase,
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{Builder.getInt32(0), Builder.getInt32(0)});
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Value *ArgsGEP =
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Builder.CreateInBoundsGEP(ArrI8PtrTy, MapperAllocas.Args,
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{Builder.getInt32(0), Builder.getInt32(0)});
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Value *ArgSizesGEP =
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Builder.CreateInBoundsGEP(ArrI64Ty, MapperAllocas.ArgSizes,
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{Builder.getInt32(0), Builder.getInt32(0)});
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Value *NullPtr = Constant::getNullValue(Int8Ptr->getPointerTo());
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Builder.CreateCall(MapperFunc,
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{SrcLocInfo, Builder.getInt64(DeviceID),
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Builder.getInt32(NumOperands), ArgsBaseGEP, ArgsGEP,
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ArgSizesGEP, MaptypesArg, MapnamesArg, NullPtr});
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}
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bool OpenMPIRBuilder::checkAndEmitFlushAfterAtomic(
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const LocationDescription &Loc, llvm::AtomicOrdering AO, AtomicKind AK) {
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assert(!(AO == AtomicOrdering::NotAtomic ||
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@ -2703,4 +2703,110 @@ TEST_F(OpenMPIRBuilderTest, CreateOffloadMapnames) {
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EXPECT_EQ(Initializer->getType()->getArrayNumElements(), Names.size());
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}
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TEST_F(OpenMPIRBuilderTest, CreateMapperAllocas) {
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OpenMPIRBuilder OMPBuilder(*M);
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OMPBuilder.initialize();
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F->setName("func");
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IRBuilder<> Builder(BB);
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OpenMPIRBuilder::LocationDescription Loc({Builder.saveIP(), DL});
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unsigned TotalNbOperand = 2;
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OpenMPIRBuilder::MapperAllocas MapperAllocas;
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IRBuilder<>::InsertPoint AllocaIP(&F->getEntryBlock(),
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F->getEntryBlock().getFirstInsertionPt());
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OMPBuilder.createMapperAllocas(Loc, AllocaIP, TotalNbOperand, MapperAllocas);
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EXPECT_NE(MapperAllocas.ArgsBase, nullptr);
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EXPECT_NE(MapperAllocas.Args, nullptr);
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EXPECT_NE(MapperAllocas.ArgSizes, nullptr);
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EXPECT_TRUE(MapperAllocas.ArgsBase->getAllocatedType()->isArrayTy());
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ArrayType *ArrType =
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dyn_cast<ArrayType>(MapperAllocas.ArgsBase->getAllocatedType());
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EXPECT_EQ(ArrType->getNumElements(), TotalNbOperand);
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EXPECT_TRUE(MapperAllocas.ArgsBase->getAllocatedType()
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->getArrayElementType()
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->isPointerTy());
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EXPECT_TRUE(MapperAllocas.ArgsBase->getAllocatedType()
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->getArrayElementType()
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->getPointerElementType()
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->isIntegerTy(8));
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EXPECT_TRUE(MapperAllocas.Args->getAllocatedType()->isArrayTy());
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ArrType = dyn_cast<ArrayType>(MapperAllocas.Args->getAllocatedType());
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EXPECT_EQ(ArrType->getNumElements(), TotalNbOperand);
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EXPECT_TRUE(MapperAllocas.Args->getAllocatedType()
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->getArrayElementType()
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->isPointerTy());
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EXPECT_TRUE(MapperAllocas.Args->getAllocatedType()
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->getArrayElementType()
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->getPointerElementType()
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->isIntegerTy(8));
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EXPECT_TRUE(MapperAllocas.ArgSizes->getAllocatedType()->isArrayTy());
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ArrType = dyn_cast<ArrayType>(MapperAllocas.ArgSizes->getAllocatedType());
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EXPECT_EQ(ArrType->getNumElements(), TotalNbOperand);
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EXPECT_TRUE(MapperAllocas.ArgSizes->getAllocatedType()
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->getArrayElementType()
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->isIntegerTy(64));
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}
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TEST_F(OpenMPIRBuilderTest, EmitMapperCall) {
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OpenMPIRBuilder OMPBuilder(*M);
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OMPBuilder.initialize();
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F->setName("func");
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IRBuilder<> Builder(BB);
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LLVMContext &Ctx = M->getContext();
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OpenMPIRBuilder::LocationDescription Loc({Builder.saveIP(), DL});
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unsigned TotalNbOperand = 2;
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OpenMPIRBuilder::MapperAllocas MapperAllocas;
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IRBuilder<>::InsertPoint AllocaIP(&F->getEntryBlock(),
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F->getEntryBlock().getFirstInsertionPt());
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OMPBuilder.createMapperAllocas(Loc, AllocaIP, TotalNbOperand, MapperAllocas);
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auto *BeginMapperFunc = OMPBuilder.getOrCreateRuntimeFunctionPtr(
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omp::OMPRTL___tgt_target_data_begin_mapper);
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SmallVector<uint64_t> Flags = {0, 2};
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Constant *SrcLocCst = OMPBuilder.getOrCreateSrcLocStr("", "file1", 2, 5);
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Value *SrcLocInfo = OMPBuilder.getOrCreateIdent(SrcLocCst);
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Constant *Cst1 = OMPBuilder.getOrCreateSrcLocStr("array1", "file1", 2, 5);
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Constant *Cst2 = OMPBuilder.getOrCreateSrcLocStr("array2", "file1", 3, 5);
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SmallVector<llvm::Constant *> Names = {Cst1, Cst2};
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GlobalVariable *Maptypes =
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OMPBuilder.createOffloadMaptypes(Flags, ".offload_maptypes");
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Value *MaptypesArg = Builder.CreateConstInBoundsGEP2_32(
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ArrayType::get(Type::getInt64Ty(Ctx), TotalNbOperand), Maptypes,
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/*Idx0=*/0, /*Idx1=*/0);
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GlobalVariable *Mapnames =
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OMPBuilder.createOffloadMapnames(Names, ".offload_mapnames");
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Value *MapnamesArg = Builder.CreateConstInBoundsGEP2_32(
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ArrayType::get(Type::getInt8PtrTy(Ctx), TotalNbOperand), Mapnames,
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/*Idx0=*/0, /*Idx1=*/0);
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OMPBuilder.emitMapperCall(Builder.saveIP(), BeginMapperFunc, SrcLocInfo,
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MaptypesArg, MapnamesArg, MapperAllocas, -1,
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TotalNbOperand);
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CallInst *MapperCall = dyn_cast<CallInst>(&BB->back());
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EXPECT_NE(MapperCall, nullptr);
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EXPECT_EQ(MapperCall->getNumArgOperands(), 9U);
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EXPECT_EQ(MapperCall->getCalledFunction()->getName(),
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"__tgt_target_data_begin_mapper");
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EXPECT_EQ(MapperCall->getOperand(0), SrcLocInfo);
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EXPECT_TRUE(MapperCall->getOperand(1)->getType()->isIntegerTy(64));
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EXPECT_TRUE(MapperCall->getOperand(2)->getType()->isIntegerTy(32));
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EXPECT_EQ(MapperCall->getOperand(6), MaptypesArg);
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EXPECT_EQ(MapperCall->getOperand(7), MapnamesArg);
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EXPECT_TRUE(MapperCall->getOperand(8)->getType()->isPointerTy());
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}
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} // namespace
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