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InstructionConstruction.cpp
425 lines (403 loc) · 19.8 KB
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InstructionConstruction.cpp
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#include "InstructionConstruction.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/DenseMap.h"
#define make_build_method(cname,iname) \
void CLIPS ## cname ## Builder ::build ( iname * inst, KnowledgeConstruction* kc, char* parent) { \
open(); \
addFields(inst, kc, parent); \
close(); \
std::string str = getCompletedString(); \
kc->addToKnowledgeBase((PointerAddress) inst, str);\
}
void CLIPSInstructionBuilder::addFields(Instruction* instruction, KnowledgeConstruction *kc, char* parent, bool addDestinationRegisters) {
User* tmp = (User*)instruction;
CLIPSUserBuilder::addFields(tmp, kc, parent);
FunctionNamer& namer = getNamer();
std::string par (parent);
PointerAddress pa = namer.registerInstructionWithBasicBlock(par);
addField("TimeIndex", pa);
addField("Operation", (char*) instruction->getOpcodeName());
if(instruction->mayWriteToMemory()) addTrueField("MayWriteToMemory");
if(instruction->mayReadFromMemory()) addTrueField("MayReadFromMemory");
if(instruction->mayReadOrWriteMemory()) addTrueField("MayReadOrWriteMemory");
if(instruction->mayHaveSideEffects()) addTrueField("MayHaveSideEffects");
if(instruction->isBinaryOp()) addTrueField("IsBinaryOp");
if(instruction->isTerminator()) addTrueField("IsTerminator");
if(instruction->isShift()) addTrueField("IsShift");
if(instruction->isCast()) addTrueField("IsCast");
if(instruction->isArithmeticShift()) addTrueField("IsArithmeticShift");
if(instruction->isLogicalShift()) addTrueField("IsLogicalShift");
if(instruction->isAssociative()) addTrueField("IsAssociative");
if(instruction->isCommutative()) addTrueField("IsCommutative");
if(!instruction->getType()->isVoidTy() && instruction->hasName() && addDestinationRegisters) {
addField("DestinationRegisters", instruction->getName());
}
if(!instruction->use_empty()) {
// DenseMap<BasicBlock*,unsigned> counterArgument;
//BasicBlock* directParent = instruction->getParent();
//we could have an instruction not used in the block it's created :D
openField("Consumers");
for(Value::use_iterator i = instruction->use_begin(),
e = instruction->use_end(); i != e; ++i) {
User* target = *i;
PointerAddress ptr = (PointerAddress)target;
if(namer.pointerRegistered(ptr)) {
appendValue(namer.nameFromPointer(ptr));
} else if(isa<Function>(target) || isa<Instruction>(target)) {
appendValue(target->getName());
} else {
appendValue(kc->route(target, namer));
}
}
closeField();
/*
openField("BlocksUsedIn");
for(DenseMap<BasicBlock*, unsigned>::iterator a = counterArgument.begin(), b = counterArgument.end(); a != b; ++a) {
BasicBlock* bb = a->first;
appendValue(bb->getName()); //the name of the basic block
appendValue(a->second); //the number of iterations
}
closeField();
*/
}
}
make_build_method(Instruction,Instruction)
/*
void CLIPSInstructionBuilder::build(Instruction* inst, KnowledgeConstruction *kc, char* parent) {
open();
addFields(inst, kc, parent);
close();
std::string &str = getCompletedString();
kc.addToKnowledgeBase((PointerAddress)inst, str);
}
*/
void CLIPSPHINodeBuilder::addFields(PHINode* instruction, KnowledgeConstruction *kc, char* parent)
{
//I don't think we want to do User's addField as it's not necessary
//We should do Value instead
CLIPSValueBuilder::addFields((Value*)instruction, kc, parent);
std::string par(parent);
FunctionNamer& namer = getNamer();
PointerAddress pa = namer.registerInstructionWithBasicBlock(par);
addField("TimeIndex", pa);
addField("Operation", instruction->getOpcodeName());
if(instruction->mayWriteToMemory()) addTrueField("MayWriteToMemory");
if(instruction->mayReadFromMemory()) addTrueField("MayReadFromMemory");
if(instruction->mayReadOrWriteMemory()) addTrueField("MayReadOrWriteMemory");
if(instruction->mayHaveSideEffects()) addTrueField("MayHaveSideEffects");
if(instruction->isBinaryOp()) addTrueField("IsBinaryOp");
if(instruction->isTerminator()) addTrueField("IsTerminator");
if(instruction->isShift()) addTrueField("IsShift");
if(instruction->isCast()) addTrueField("IsCast");
if(instruction->isArithmeticShift()) addTrueField("IsArithmeticShift");
if(instruction->isLogicalShift()) addTrueField("IsLogicalShift");
if(instruction->isAssociative()) addTrueField("IsAssociative");
if(instruction->isCommutative()) addTrueField("IsCommutative");
//TODO: insert code to add the potential constant value
addField("DestinationRegisters", instruction->getName());
openField("Operands");
//we use pattern matching within CLIPS to our advantage :D
for(unsigned i = 0; i < instruction->getNumIncomingValues(); ++i) {
Value* target = instruction->getIncomingValue(i);
BasicBlock* from = instruction->getIncomingBlock(i);
if(isa<UndefValue>(target)) appendValue("undef");
else if(Instruction* inst = dyn_cast<Instruction>(target)) appendValue(inst->getName());
else appendValue(kc->route(target, namer));
appendValue(from->getName());
}
closeField();
if(!instruction->use_empty()) {
//DenseMap<BasicBlock*,unsigned> counterArgument;
//BasicBlock* directParent = instruction->getParent();
//we could have an instruction not used in the block it's created :D
openField("Consumers");
for(Value::use_iterator i = instruction->use_begin(), e = instruction->use_end(); i != e; ++i) {
User* target = *i;
/*
//this part was taken from isUsedOutsideOfBlock in llvm::Instruction
It has been modified though
PHINode* PN = dyn_cast<PHINode>(target);
if(PN == 0) {
Instruction* j = cast<Instruction>(target);
BasicBlock* target = j->getParent();
if(!counterArgument.count(target)) // {
std::pair<BasicBlock*,unsigned> pair(target, 1);
counterArgument.insert(pair);
} else {
std::pair<BasicBlock*,unsigned>& pair = counterArgument.FindAndConstruct(target);
pair.second = pair.second + 1;
}
} else {
//PHI nodes are evaluated within the basic block denoted in each cell
BasicBlock* incBlock = PN->getIncomingBlock(i);
if(incBlock != directParent && !counterArgument.count(incBlock)) {
std::pair<BasicBlock*,unsigned> pair(incBlock, 1);
counterArgument.insert(pair);
} else {
std::pair<BasicBlock*,unsigned>& pair = counterArgument.FindAndConstruct(incBlock);
pair.second = pair.second + 1;
}
}
//end graft
*/
PointerAddress ptr = (PointerAddress)target;
if(namer.pointerRegistered(ptr)) {
appendValue(namer.nameFromPointer(ptr));
} else if(isa<Function>(target) || isa<Instruction>(target)) {
appendValue(target->getName());
} else {
appendValue(kc->route(target, namer));
}
}
closeField();
/*
openField("BlocksUsedIn");
for(DenseMap<BasicBlock*, unsigned>::iterator a = counterArgument.begin(), b = counterArgument.end(); a != b; ++a) {
BasicBlock* bb = a->first;
appendValue(bb->getName()); //the name of the basic block
appendValue(a->second); //the number of iterations
}
closeField();
*/
}
}
make_build_method(PHINode, PHINode)
void CLIPSStoreInstructionBuilder::addFields(StoreInst* target, KnowledgeConstruction *kc, char* parent) {
CLIPSInstructionBuilder::addFields((Instruction*)target, kc, parent, false);
addField("Alignment", target->getAlignment());
if(target->isAtomic()) addTrueField("IsAtomic");
if(target->isSimple()) addTrueField("IsSimple");
if(target->isUnordered()) addTrueField("IsUnordered");
if(target->isVolatile()) addTrueField("IsVolatile");
openField("DestinationRegisters");
Value* pointer = target->getPointerOperand();
if(pointer->hasName()) {
appendValue(pointer->getName());
} else {
appendValue(kc->route(pointer, getNamer()));
}
closeField();
}
make_build_method(StoreInstruction, StoreInst)
void CLIPSBinaryOperatorBuilder::addFields(BinaryOperator* target, KnowledgeConstruction *kc, char* parent) {
CLIPSInstructionBuilder::addFields((Instruction*)target, kc, parent);
if(target->hasNoUnsignedWrap()) addTrueField("HasNoUnsignedWrap");
if(target->hasNoSignedWrap()) addTrueField("HasNoSignedWrap");
if(target->isExact()) addTrueField("IsExact");
}
make_build_method(BinaryOperator, BinaryOperator)
void CLIPSCallInstructionBuilder::addFields(CallInst* target, KnowledgeConstruction *kc, char* parent) {
CLIPSInstructionBuilder::addFields((Instruction*)target, kc, parent);
if(target->isTailCall()) addTrueField("IsTailCall");
if(target->isNoInline()) addTrueField("IsNoInline");
if(target->canReturnTwice()) addTrueField("CanReturnTwice");
if(target-> doesNotAccessMemory()) addTrueField("DoesNotAccessMemory");
if(target-> onlyReadsMemory()) addTrueField("OnlyReadsMemory");
if(target-> doesNotReturn()) addTrueField("DoesNotReturn");
if(target-> doesNotThrow()) addTrueField("DoesNotThrow");
if(target-> hasStructRetAttr()) addTrueField("HasStructRetAttr");
if(target-> hasByValArgument()) addTrueField("HasByValArgument");
if(target-> isInlineAsm()) addTrueField("IsInlineAsm");
Function* fn = target->getCalledFunction();
openField("CalledFunction");
if(fn != NULL) appendValue(fn->getName());
else appendValue("indirect");
closeField();
if(target->getNumArgOperands() > 0) {
openField("ArgumentOperands");
FunctionNamer& namer = getNamer();
for(unsigned i = 0; i < target->getNumArgOperands(); ++i) {
//add function args
appendValue(kc->route(target->getArgOperand(i), namer));
}
closeField();
}
}
make_build_method(CallInstruction,CallInst)
void CLIPSVAArgInstructionBuilder::addFields(VAArgInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSUnaryInstructionBuilder::addFields((UnaryInstruction*)inst, kc, parent);
}
make_build_method(VAArgInstruction, VAArgInst)
void CLIPSLoadInstructionBuilder::addFields(LoadInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSUnaryInstructionBuilder::addFields((UnaryInstruction*)inst, kc, parent);
addField("Alignment", inst->getAlignment());
if(inst->isAtomic()) addTrueField("IsAtomic");
if(inst->isSimple()) addTrueField("IsSimple");
if(inst->isUnordered()) addTrueField("IsUnordered");
if(inst->isVolatile()) addTrueField("IsVolatile");
}
make_build_method(LoadInstruction, LoadInst)
void CLIPSExtractValueInstructionBuilder::addFields(ExtractValueInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSUnaryInstructionBuilder::addFields((UnaryInstruction*)inst, kc, parent);
addField("AggregateOperand", kc->route(inst->getAggregateOperand(), getNamer()));
openField("Indices");
for(ExtractValueInst::idx_iterator i = inst->idx_begin(), e = inst->idx_end();
i != e; ++i) {
char* buf = CharBuffer(32);
sprintf(buf, "%d", *i);
appendValue(buf);
free(buf);
}
closeField();
}
make_build_method(ExtractValueInstruction, ExtractValueInst)
void CLIPSCastInstructionBuilder::addFields(CastInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSUnaryInstructionBuilder::addFields((UnaryInstruction*)inst, kc, parent);
if(inst->isIntegerCast()) addTrueField("IsIntegerCast");
if(inst->isLosslessCast()) addTrueField("IsLosslessCast");
FunctionNamer& namer = getNamer();
addField("SourceType", kc->route(inst->getSrcTy(), namer));
addField("DestinationType", kc->route(inst->getDestTy(), namer));
}
make_build_method(CastInstruction, CastInst)
void CLIPSAllocaInstructionBuilder::addFields(AllocaInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSUnaryInstructionBuilder::addFields((UnaryInstruction*)inst, kc, parent);
if(inst->isArrayAllocation()) addTrueField("IsArrayAllocation");
if(inst->isStaticAlloca()) addTrueField("IsStaticAllocation");
addField("Alignment", inst->getAlignment());
addField("ArraySize", kc->route(inst->getArraySize(), getNamer()));
}
make_build_method(AllocaInstruction, AllocaInst)
void CLIPSUnaryInstructionBuilder::addFields(UnaryInstruction* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSInstructionBuilder::addFields((Instruction*)inst, kc, parent);
}
make_build_method(UnaryInstruction, UnaryInstruction)
void CLIPSSelectInstructionBuilder::addFields(SelectInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSInstructionBuilder::addFields((Instruction*)inst, kc, parent);
FunctionNamer& namer = getNamer();
addField("Condition", kc->route(inst->getCondition(), namer));
addField("TrueValue", kc->route(inst->getTrueValue(), namer));
addField("FalseValue", kc->route(inst->getFalseValue(), namer));
}
make_build_method(SelectInstruction, SelectInst)
void CLIPSUnreachableInstructionBuilder::addFields(UnreachableInst* instruction, KnowledgeConstruction *kc, char* parent) {
CLIPSTerminatorInstructionBuilder::addFields((TerminatorInst*)instruction, kc, parent);
}
make_build_method(UnreachableInstruction, UnreachableInst)
void CLIPSCompareInstructionBuilder::addFields(CmpInst* target, KnowledgeConstruction *kc, char* parent) {
CLIPSInstructionBuilder::addFields((Instruction*)target, kc, parent);
addField("Predicate", target->getPredicate());
addField("InversePredicate", target->getInversePredicate());
addField("SwappedPredicate", target->getSwappedPredicate());
if(target->isFPPredicate()) addTrueField("IsFPPredicate");
if(target->isIntPredicate()) addTrueField("IsIntPredicate");
if(target->isCommutative()) addTrueField("IsCommutative");
if(target->isEquality()) addTrueField("IsEquality");
if(target->isSigned()) addTrueField("IsSigned");
if(target->isUnsigned()) addTrueField("IsUnsigned");
if(target->isTrueWhenEqual()) addTrueField("IsTrueWhenEqual");
if(target->isFalseWhenEqual()) addTrueField("IsFalseWhenEqual");
}
make_build_method(CompareInstruction, CmpInst)
void CLIPSFPCompareInstructionBuilder::addFields(FCmpInst* target, KnowledgeConstruction *kc, char* parent) {
CLIPSCompareInstructionBuilder::addFields((CmpInst*)target,kc,parent);
if(target->isRelational()) addTrueField("IsRelational");
}
make_build_method(FPCompareInstruction, FCmpInst)
void CLIPSIntCompareInstructionBuilder::addFields(ICmpInst* target, KnowledgeConstruction *kc, char* parent) {
CLIPSCompareInstructionBuilder::addFields((CmpInst*)target,kc, parent);
addField("SignedPredicate", target->getSignedPredicate());
addField("UnsignedPredicate", target->getUnsignedPredicate());
if(target->isRelational()) addTrueField("IsRelational");
}
make_build_method(IntCompareInstruction, ICmpInst)
void CLIPSGetElementPtrInstructionBuilder::addFields(GetElementPtrInst* target, KnowledgeConstruction *kc, char* parent) {
CLIPSInstructionBuilder::addFields((Instruction*)target, kc, parent);
if(target->hasIndices()) addTrueField("HasIndices");
if(target->hasAllZeroIndices()) addTrueField("HasAllZeroIndices");
if(target->hasAllConstantIndices()) addTrueField("HasAllConstantIndices");
if(target->isInBounds()) addTrueField("IsInBounds");
}
make_build_method(GetElementPtrInstruction, GetElementPtrInst)
void CLIPSTerminatorInstructionBuilder::addFields(TerminatorInst* target, KnowledgeConstruction *kc, char* parent) {
CLIPSInstructionBuilder::addFields((Instruction*)target, kc, parent);
addField("NumSuccessors", target->getNumSuccessors());
}
make_build_method(TerminatorInstruction, TerminatorInst)
void CLIPSBranchInstructionBuilder::addFields(BranchInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSTerminatorInstructionBuilder::addFields((TerminatorInst*)inst, kc, parent);
if(inst->isUnconditional()) addTrueField("IsUnconditional");
if(inst->isConditional()) {
addTrueField("IsConditional");
addField("Condition", kc->route(inst->getCondition(), getNamer()));
}
}
make_build_method(BranchInstruction, BranchInst)
void CLIPSIndirectBranchInstructionBuilder::addFields(IndirectBrInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSTerminatorInstructionBuilder::addFields((TerminatorInst*)inst, kc, parent);
addField("Address", kc->route(inst->getAddress(), getNamer()));
}
make_build_method(IndirectBranchInstruction, IndirectBrInst)
void CLIPSInvokeInstructionBuilder::addFields(InvokeInst* target, KnowledgeConstruction *kc, char* parent) {
CLIPSTerminatorInstructionBuilder::addFields((TerminatorInst*)target, kc, parent);
if(target->isNoInline()) addTrueField("IsNoInline");
if(target->doesNotAccessMemory()) addTrueField("DoesNotAccessMemory");
if(target->onlyReadsMemory()) addTrueField("OnlyReadsMemory");
if(target->doesNotReturn()) addTrueField("DoesNotReturn");
if(target->hasStructRetAttr()) addTrueField("HasStructRetAttr");
if(target->hasByValArgument()) addTrueField("HasByValArgument");
addField("NormalDestination", target->getNormalDest()->getName());
addField("UnwindDestination", target->getUnwindDest()->getName());
Function* fn = target->getCalledFunction();
openField("CalledFunction");
if(fn != NULL) {
appendValue(fn->getName());
} else {
appendValue("indirect");
}
closeField();
if(target->getNumArgOperands() > 0) {
openField("Arguments");
FunctionNamer& namer = getNamer();
for(unsigned i = 0;i < target->getNumArgOperands(); ++i) {
appendValue(kc->route(target->getArgOperand(i), namer));
}
closeField();
}
}
make_build_method(InvokeInstruction, InvokeInst)
void CLIPSResumeInstructionBuilder::addFields(ResumeInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSTerminatorInstructionBuilder::addFields((TerminatorInst*)inst, kc, parent);
}
make_build_method(ResumeInstruction, ResumeInst)
void CLIPSReturnInstructionBuilder::addFields(ReturnInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSTerminatorInstructionBuilder::addFields((TerminatorInst*)inst, kc, parent);
Value* result = inst->getReturnValue();
if(result != 0) addField("ReturnValue", kc->route(result, getNamer()));
}
make_build_method(ReturnInstruction, ReturnInst)
void CLIPSSwitchInstructionBuilder::addFields(SwitchInst* inst, KnowledgeConstruction *kc, char* parent) {
CLIPSValueBuilder::addFields((Value*)inst, kc, parent);
std::string par(parent);
FunctionNamer& namer = getNamer();
PointerAddress pa = namer.registerInstructionWithBasicBlock(par);
addField("TimeIndex", pa);
addField("Operation", (char*) inst->getOpcodeName());
if(inst->mayWriteToMemory()) addTrueField("MayWriteToMemory");
if(inst->mayReadFromMemory()) addTrueField("MayReadFromMemory");
if(inst->mayReadOrWriteMemory()) addTrueField("MayReadOrWriteMemory");
if(inst->mayHaveSideEffects()) addTrueField("MayHaveSideEffects");
if(inst->isBinaryOp()) addTrueField("IsBinaryOp");
if(inst->isTerminator()) addTrueField("IsTerminator");
if(inst->isShift()) addTrueField("IsShift");
if(inst->isCast()) addTrueField("IsCast");
if(inst->isArithmeticShift()) addTrueField("IsArithmeticShift");
if(inst->isLogicalShift()) addTrueField("IsLogicalShift");
if(inst->isAssociative()) addTrueField("IsAssociative");
if(inst->isCommutative()) addTrueField("IsCommutative");
addField("Condition", kc->route(inst->getCondition(), getNamer()));
addField("DefaultDestination", inst->getDefaultDest()->getName());
unsigned succCount = inst->getNumSuccessors();
if(succCount > 0) {
addField("NumSuccessors", succCount);
openField("Operands");
for(unsigned i = 0; i < succCount; ++i) {
appendValue(i);
BasicBlock* target = inst->getSuccessor(i);
appendValue(target->getName());
}
closeField();
}
}
make_build_method(SwitchInstruction, SwitchInst)
#undef make_build_method