LLVM API Documentation

llvm::Interpreter Class Reference

#include <Interpreter.h>

Inheritance diagram for llvm::Interpreter:

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Collaboration diagram for llvm::Interpreter:

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List of all members.

Public Member Functions

 Interpreter (ModuleProvider *M)
 ~Interpreter ()
void runAtExitHandlers ()
virtual GenericValue runFunction (Function *F, const std::vector< GenericValue > &ArgValues)
virtual void * recompileAndRelinkFunction (Function *F)
void freeMachineCodeForFunction (Function *F)
void callFunction (Function *F, const std::vector< GenericValue > &ArgVals)
void run ()
void visitReturnInst (ReturnInst &I)
void visitBranchInst (BranchInst &I)
void visitSwitchInst (SwitchInst &I)
void visitBinaryOperator (BinaryOperator &I)
void visitICmpInst (ICmpInst &I)
void visitFCmpInst (FCmpInst &I)
void visitAllocationInst (AllocationInst &I)
void visitFreeInst (FreeInst &I)
void visitLoadInst (LoadInst &I)
void visitStoreInst (StoreInst &I)
void visitGetElementPtrInst (GetElementPtrInst &I)
void visitPHINode (PHINode &PN)
void visitTruncInst (TruncInst &I)
void visitZExtInst (ZExtInst &I)
void visitSExtInst (SExtInst &I)
void visitFPTruncInst (FPTruncInst &I)
void visitFPExtInst (FPExtInst &I)
void visitUIToFPInst (UIToFPInst &I)
void visitSIToFPInst (SIToFPInst &I)
void visitFPToUIInst (FPToUIInst &I)
void visitFPToSIInst (FPToSIInst &I)
void visitPtrToIntInst (PtrToIntInst &I)
void visitIntToPtrInst (IntToPtrInst &I)
void visitBitCastInst (BitCastInst &I)
void visitSelectInst (SelectInst &I)
void visitCallSite (CallSite CS)
void visitCallInst (CallInst &I)
void visitInvokeInst (InvokeInst &I)
void visitUnwindInst (UnwindInst &I)
void visitUnreachableInst (UnreachableInst &I)
void visitShl (BinaryOperator &I)
void visitLShr (BinaryOperator &I)
void visitAShr (BinaryOperator &I)
void visitVAArgInst (VAArgInst &I)
void visitInstruction (Instruction &I)
GenericValue callExternalFunction (Function *F, const std::vector< GenericValue > &ArgVals)
void exitCalled (GenericValue GV)
void addAtExitHandler (Function *F)
GenericValue * getFirstVarArg ()
GenericValue executeGEPOperation (Value *Ptr, gep_type_iterator I, gep_type_iterator E, ExecutionContext &SF)

Static Public Member Functions

static void Register ()
static ExecutionEngine * create (ModuleProvider *M, std::string *ErrorStr=0, bool Fast=0)

Detailed Description

Definition at line 82 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

Constructor & Destructor Documentation

Interpreter::Interpreter ( ModuleProvider *  M  )  [explicit]

Definition at line 52 of file Interpreter.cpp.

References llvm::ExecutionEngine::emitGlobals(), llvm::ExecutionEngine::setTargetData(), and llvm::GenericValue::Untyped.

Referenced by create().

Interpreter::~Interpreter (  ) 

Definition at line 65 of file Interpreter.cpp.

Member Function Documentation

void Interpreter::runAtExitHandlers (  ) 

runAtExitHandlers - Run any functions registered by the program's calls to atexit(3), which we intercept and store in AtExitHandlers.

Definition at line 69 of file Interpreter.cpp.

References callFunction(), and run().

Referenced by exitCalled().

static void llvm::Interpreter::Register (  )  [inline, static]

Definition at line 104 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

References create(), and llvm::ExecutionEngine::InterpCtor.

ExecutionEngine * Interpreter::create ( ModuleProvider *  MP,
std::string *  ErrStr = 0,
bool  Fast = 0 
) [static]

create - Create an interpreter ExecutionEngine. This can never fail.

create - Create a new interpreter object. This can never fail.

Definition at line 39 of file Interpreter.cpp.

References Interpreter(), and llvm::ModuleProvider::materializeModule().

Referenced by Register().

GenericValue Interpreter::runFunction ( Function *  F,
const std::vector< GenericValue > &  ArgValues 
) [virtual]

run - Start execution with the specified function and arguments.

Implements llvm::ExecutionEngine.

Definition at line 80 of file Interpreter.cpp.

References callFunction(), llvm::Function::getFunctionType(), llvm::FunctionType::getNumParams(), and run().

virtual void* llvm::Interpreter::recompileAndRelinkFunction ( Function *  F  )  [inline, virtual]

recompileAndRelinkFunction - For the interpreter, functions are always up-to-date.

Implements llvm::ExecutionEngine.

Definition at line 121 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

void llvm::Interpreter::freeMachineCodeForFunction ( Function *  F  )  [inline, virtual]

freeMachineCodeForFunction - The interpreter does not generate any code.

Implements llvm::ExecutionEngine.

Definition at line 127 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

void Interpreter::callFunction ( Function *  F,
const std::vector< GenericValue > &  ArgVals 
)

Definition at line 1297 of file Execution.cpp.

References AI, llvm::Function::arg_begin(), llvm::Function::arg_end(), llvm::Function::arg_size(), llvm::BasicBlock::begin(), llvm::Function::begin(), callExternalFunction(), llvm::ExecutionContext::CurBB, llvm::ExecutionContext::CurFunction, llvm::ExecutionContext::CurInst, E, llvm::Function::getFunctionType(), llvm::Function::getReturnType(), llvm::Function::isDeclaration(), llvm::FunctionType::isVarArg(), SetValue(), and llvm::ExecutionContext::VarArgs.

Referenced by runAtExitHandlers(), runFunction(), and visitCallSite().

void Interpreter::run (  ) 

Definition at line 1335 of file Execution.cpp.

References llvm::ExecutionContext::CurInst, llvm::Type::DoubleTyID, llvm::GenericValue::DoubleVal, DOUT, llvm::Type::FloatTyID, llvm::GenericValue::FloatVal, llvm::APInt::getBitWidth(), I, llvm::Type::IntegerTyID, llvm::GenericValue::IntVal, llvm::Type::PointerTyID, llvm::GenericValue::PointerVal, llvm::APInt::toStringUnsigned(), Val, llvm::ExecutionContext::Values, llvm::Type::VoidTy, and llvm::Type::VoidTyID.

Referenced by runAtExitHandlers(), and runFunction().

void Interpreter::visitReturnInst ( ReturnInst &  I  ) 

Definition at line 634 of file Execution.cpp.

References llvm::User::getNumOperands(), llvm::ReturnInst::getReturnValue(), llvm::Value::getType(), and llvm::Type::VoidTy.

void Interpreter::visitBranchInst ( BranchInst &  I  ) 

Definition at line 671 of file Execution.cpp.

References Dest, llvm::BranchInst::getCondition(), llvm::BranchInst::getSuccessor(), and llvm::BranchInst::isUnconditional().

void Interpreter::visitSwitchInst ( SwitchInst &  I  ) 

Definition at line 684 of file Execution.cpp.

References Dest, executeICMP_EQ(), llvm::SwitchInst::getDefaultDest(), llvm::User::getNumOperands(), llvm::User::getOperand(), llvm::Value::getType(), and llvm::GenericValue::IntVal.

void Interpreter::visitBinaryOperator ( BinaryOperator &  I  ) 

Definition at line 545 of file Execution.cpp.

References Add(), And(), llvm::cerr(), executeAddInst(), executeFDivInst(), executeFRemInst(), executeMulInst(), executeSubInst(), llvm::BinaryOperator::getOpcode(), llvm::User::getOperand(), llvm::Value::getType(), llvm::GenericValue::IntVal, llvm::APIntOps::Or(), R, llvm::APInt::sdiv(), SetValue(), llvm::APInt::srem(), Ty, llvm::APInt::udiv(), llvm::APInt::urem(), and llvm::APIntOps::Xor().

void Interpreter::visitICmpInst ( ICmpInst &  I  ) 

Definition at line 281 of file Execution.cpp.

References llvm::cerr(), executeICMP_EQ(), executeICMP_NE(), executeICMP_SGE(), executeICMP_SGT(), executeICMP_SLE(), executeICMP_SLT(), executeICMP_UGE(), executeICMP_UGT(), executeICMP_ULE(), executeICMP_ULT(), llvm::User::getOperand(), llvm::CmpInst::getPredicate(), llvm::Value::getType(), llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_SGE, llvm::CmpInst::ICMP_SGT, llvm::CmpInst::ICMP_SLE, llvm::CmpInst::ICMP_SLT, llvm::CmpInst::ICMP_UGE, llvm::CmpInst::ICMP_UGT, llvm::CmpInst::ICMP_ULE, llvm::CmpInst::ICMP_ULT, R, SetValue(), and Ty.

void Interpreter::visitFCmpInst ( FCmpInst &  I  ) 

Definition at line 469 of file Execution.cpp.

References llvm::cerr(), executeFCMP_OEQ(), executeFCMP_OGE(), executeFCMP_OGT(), executeFCMP_OLE(), executeFCMP_OLT(), executeFCMP_ONE(), executeFCMP_ORD(), executeFCMP_UEQ(), executeFCMP_UGE(), executeFCMP_UGT(), executeFCMP_ULE(), executeFCMP_ULT(), executeFCMP_UNE(), executeFCMP_UNO(), llvm::CmpInst::FCMP_FALSE, llvm::CmpInst::FCMP_OEQ, llvm::CmpInst::FCMP_OGE, llvm::CmpInst::FCMP_OGT, llvm::CmpInst::FCMP_OLE, llvm::CmpInst::FCMP_OLT, llvm::CmpInst::FCMP_ONE, llvm::CmpInst::FCMP_ORD, llvm::CmpInst::FCMP_TRUE, llvm::CmpInst::FCMP_UEQ, llvm::CmpInst::FCMP_UGE, llvm::CmpInst::FCMP_UGT, llvm::CmpInst::FCMP_ULE, llvm::CmpInst::FCMP_ULT, llvm::CmpInst::FCMP_UNE, llvm::CmpInst::FCMP_UNO, llvm::User::getOperand(), llvm::CmpInst::getPredicate(), llvm::Value::getType(), R, SetValue(), and Ty.

void Interpreter::visitAllocationInst ( AllocationInst &  I  ) 

Definition at line 744 of file Execution.cpp.

References DOUT, llvm::TargetData::getABITypeSize(), llvm::SequentialType::getElementType(), llvm::Instruction::getOpcode(), llvm::User::getOperand(), llvm::AllocationInst::getType(), llvm::GenericValue::PointerVal, llvm::PTOGV(), SetValue(), and Ty.

void Interpreter::visitFreeInst ( FreeInst &  I  ) 

Definition at line 773 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and llvm::GVTOP().

void Interpreter::visitLoadInst ( LoadInst &  I  ) 

Definition at line 829 of file Execution.cpp.

References llvm::cerr(), llvm::LoadInst::getPointerOperand(), llvm::Value::getType(), llvm::GVTOP(), llvm::LoadInst::isVolatile(), llvm::ExecutionEngine::LoadValueFromMemory(), PrintVolatile, and SetValue().

void Interpreter::visitStoreInst ( StoreInst &  I  ) 

Definition at line 840 of file Execution.cpp.

References llvm::cerr(), llvm::User::getOperand(), llvm::StoreInst::getPointerOperand(), llvm::Value::getType(), llvm::GVTOP(), llvm::StoreInst::isVolatile(), PrintVolatile, llvm::ExecutionEngine::StoreValueToMemory(), and Val.

void Interpreter::visitGetElementPtrInst ( GetElementPtrInst &  I  ) 

Definition at line 823 of file Execution.cpp.

References executeGEPOperation(), llvm::gep_type_begin(), llvm::gep_type_end(), llvm::GetElementPtrInst::getPointerOperand(), and SetValue().

void llvm::Interpreter::visitPHINode ( PHINode &  PN  )  [inline]

Definition at line 147 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

void Interpreter::visitTruncInst ( TruncInst &  I  ) 

Definition at line 1108 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitZExtInst ( ZExtInst &  I  ) 

Definition at line 1118 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitSExtInst ( SExtInst &  I  ) 

Definition at line 1113 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitFPTruncInst ( FPTruncInst &  I  ) 

Definition at line 1123 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitFPExtInst ( FPExtInst &  I  ) 

Definition at line 1128 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitUIToFPInst ( UIToFPInst &  I  ) 

Definition at line 1133 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitSIToFPInst ( SIToFPInst &  I  ) 

Definition at line 1138 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitFPToUIInst ( FPToUIInst &  I  ) 

Definition at line 1143 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitFPToSIInst ( FPToSIInst &  I  ) 

Definition at line 1148 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitPtrToIntInst ( PtrToIntInst &  I  ) 

Definition at line 1153 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitIntToPtrInst ( IntToPtrInst &  I  ) 

Definition at line 1158 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitBitCastInst ( BitCastInst &  I  ) 

Definition at line 1163 of file Execution.cpp.

References llvm::User::getOperand(), llvm::Value::getType(), and SetValue().

void Interpreter::visitSelectInst ( SelectInst &  I  ) 

Definition at line 578 of file Execution.cpp.

References executeSelectInst(), llvm::User::getOperand(), R, and SetValue().

void Interpreter::visitCallSite ( CallSite  CS  ) 

Definition at line 854 of file Execution.cpp.

References llvm::CallSite::arg_begin(), llvm::CallSite::arg_end(), llvm::CallSite::arg_size(), llvm::ExecutionContext::Caller, callFunction(), llvm::ExecutionContext::CurInst, F, llvm::CallSite::getCalledFunction(), llvm::CallSite::getCalledValue(), llvm::CallSite::getInstruction(), llvm::Function::getIntrinsicID(), llvm::Instruction::getParent(), llvm::Value::getType(), llvm::GVTOP(), llvm::Function::isDeclaration(), llvm::Type::isInteger(), llvm::IntrinsicLowering::LowerIntrinsicCall(), llvm::Intrinsic::not_intrinsic, llvm::CallSite::paramHasAttr(), SetValue(), llvm::Attribute::SExt, Ty, llvm::GenericValue::UIntPairVal, V, and llvm::Attribute::ZExt.

Referenced by visitCallInst(), and visitInvokeInst().

void llvm::Interpreter::visitCallInst ( CallInst &  I  )  [inline]

Definition at line 164 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

References visitCallSite().

void llvm::Interpreter::visitInvokeInst ( InvokeInst &  I  )  [inline]

Definition at line 165 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

References visitCallSite().

void Interpreter::visitUnwindInst ( UnwindInst &  I  ) 

Definition at line 648 of file Execution.cpp.

References llvm::ExecutionContext::Caller, and Inst.

void Interpreter::visitUnreachableInst ( UnreachableInst &  I  ) 

Definition at line 666 of file Execution.cpp.

References llvm::cerr().

void Interpreter::visitShl ( BinaryOperator &  I  ) 

Definition at line 925 of file Execution.cpp.

References llvm::User::getOperand(), llvm::GenericValue::IntVal, SetValue(), and llvm::APInt::shl().

void Interpreter::visitLShr ( BinaryOperator &  I  ) 

Definition at line 934 of file Execution.cpp.

References llvm::User::getOperand(), llvm::GenericValue::IntVal, llvm::APInt::lshr(), and SetValue().

void Interpreter::visitAShr ( BinaryOperator &  I  ) 

Definition at line 943 of file Execution.cpp.

References llvm::APInt::ashr(), llvm::User::getOperand(), llvm::GenericValue::IntVal, and SetValue().

void Interpreter::visitVAArgInst ( VAArgInst &  I  ) 

Definition at line 1171 of file Execution.cpp.

References llvm::cerr(), llvm::User::getOperand(), llvm::Value::getType(), llvm::Type::getTypeID(), IMPLEMENT_VAARG, llvm::Type::IntegerTyID, llvm::GenericValue::IntVal, SetValue(), Ty, and llvm::GenericValue::UIntPairVal.

void llvm::Interpreter::visitInstruction ( Instruction &  I  )  [inline]

Definition at line 174 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

References llvm::cerr().

GenericValue Interpreter::callExternalFunction ( Function *  F,
const std::vector< GenericValue > &  ArgVals 
)

Definition at line 100 of file ExternalFunctions.cpp.

References llvm::cerr(), FI, llvm::Type::getDescription(), llvm::Function::getFunctionType(), llvm::Value::getName(), llvm::GlobalValue::getType(), and lookupFunction().

Referenced by callFunction().

void Interpreter::exitCalled ( GenericValue  GV  ) 

Definition at line 592 of file Execution.cpp.

References llvm::APInt::getZExtValue(), llvm::GenericValue::IntVal, runAtExitHandlers(), and llvm::APInt::zextOrTrunc().

Referenced by lle_X_exit().

void llvm::Interpreter::addAtExitHandler ( Function *  F  )  [inline]

Definition at line 183 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

Referenced by lle_X_atexit().

GenericValue* llvm::Interpreter::getFirstVarArg (  )  [inline]

Definition at line 187 of file lib/ExecutionEngine/Interpreter/Interpreter.h.

GenericValue Interpreter::executeGEPOperation ( Value *  Ptr,
gep_type_iterator  I,
gep_type_iterator  E,
ExecutionContext &  SF 
)

Definition at line 783 of file Execution.cpp.

References DOUT, llvm::TargetData::getABITypeSize(), llvm::StructLayout::getElementOffset(), llvm::SequentialType::getElementType(), llvm::generic_gep_type_iterator< ItTy >::getOperand(), llvm::TargetData::getStructLayout(), llvm::Value::getType(), llvm::APInt::getZExtValue(), llvm::ConstantInt::getZExtValue(), Idx, Index, llvm::GenericValue::IntVal, and llvm::GenericValue::PointerVal.

Referenced by visitGetElementPtrInst().

The documentation for this class was generated from the following files:

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