int main(int argc, char** argv) {
cl::ParseCommandLineOptions(argc, argv, "LLVM hello world\n");
LLVMContext context;
//std::unique_ptr<MemoryBuffer> mb;
DiagnosticHandlerFunction dhf;
ErrorOr<std::unique_ptr<MemoryBuffer>> mb = MemoryBuffer::getFile(FileName); // here we got segmentation fault
if (std::error_code EC = mb.getError()) {
std::cout<< "Could not open input file: " + EC.message();
}
ErrorOr<Module *> moduleOrError = parseBitcodeFile(mb.get()->getMemBufferRef() , context, dhf);
if(std::error_code() ){
std::cerr << "Error reading bitcode: " << std::error_code() << std::endl;
return -1;
}
raw_os_ostream O(std::cout);
Module * m = moduleOrError.get();
for (Module::const_iterator i = m -> getFunctionList().begin(), e = m -> getFunctionList().end(); i != e; ++i ) {
if(!i->isDeclaration()){
O << i->getName() << " has "<< i -> size() << "basic block(s).\n";
}
}
//O<<"ok";
return 0;
}
bool PNaClABIVerifyModule::runOnModule(Module &M) {
if (!M.getModuleInlineAsm().empty()) {
Reporter->addError() <<
"Module contains disallowed top-level inline assembly\n";
}
for (Module::const_global_iterator MI = M.global_begin(), ME = M.global_end();
MI != ME; ++MI) {
checkGlobalIsFlattened(MI);
checkGlobalValueCommon(MI);
if (MI->isThreadLocal()) {
Reporter->addError() << "Variable " << MI->getName() <<
" has disallowed \"thread_local\" attribute\n";
}
}
// No aliases allowed for now.
for (Module::alias_iterator MI = M.alias_begin(),
E = M.alias_end(); MI != E; ++MI) {
Reporter->addError() << "Variable " << MI->getName() <<
" is an alias (disallowed)\n";
}
for (Module::const_iterator MI = M.begin(), ME = M.end(); MI != ME; ++MI) {
if (MI->isIntrinsic()) {
// Check intrinsics.
if (!isWhitelistedIntrinsic(MI, MI->getIntrinsicID())) {
Reporter->addError() << "Function " << MI->getName()
<< " is a disallowed LLVM intrinsic\n";
}
} else {
// Check types of functions and their arguments. Not necessary
// for intrinsics, whose types are fixed anyway, and which have
// argument types that we disallow such as i8.
if (!PNaClABITypeChecker::isValidFunctionType(MI->getFunctionType())) {
Reporter->addError() << "Function " << MI->getName()
<< " has disallowed type: "
<< PNaClABITypeChecker::getTypeName(MI->getFunctionType())
<< "\n";
}
// This check is disabled in streaming mode because it would
// reject a function that is defined but not read in yet.
// Unfortunately this means we simply don't check this property
// when translating a pexe in the browser.
// TODO(mseaborn): Enforce this property in the bitcode reader.
if (!StreamingMode && MI->isDeclaration()) {
Reporter->addError() << "Function " << MI->getName()
<< " is declared but not defined (disallowed)\n";
}
if (!MI->getAttributes().isEmpty()) {
Reporter->addError()
<< "Function " << MI->getName() << " has disallowed attributes:"
<< getAttributesAsString(MI->getAttributes()) << "\n";
}
if (MI->getCallingConv() != CallingConv::C) {
Reporter->addError()
<< "Function " << MI->getName()
<< " has disallowed calling convention: "
<< MI->getCallingConv() << "\n";
}
}
checkGlobalValueCommon(MI);
if (MI->hasGC()) {
Reporter->addError() << "Function " << MI->getName() <<
" has disallowed \"gc\" attribute\n";
}
// Knowledge of what function alignments are useful is
// architecture-specific and sandbox-specific, so PNaCl pexes
// should not be able to specify function alignment.
if (MI->getAlignment() != 0) {
Reporter->addError() << "Function " << MI->getName() <<
" has disallowed \"align\" attribute\n";
}
}
// Check named metadata nodes
for (Module::const_named_metadata_iterator I = M.named_metadata_begin(),
E = M.named_metadata_end(); I != E; ++I) {
if (!isWhitelistedMetadata(I)) {
Reporter->addError() << "Named metadata node " << I->getName()
<< " is disallowed\n";
}
}
Reporter->checkForFatalErrors();
return false;
}
std::unique_ptr<Module> llvm::CloneModule(
const Module *M, ValueToValueMapTy &VMap,
std::function<bool(const GlobalValue *)> ShouldCloneDefinition) {
// First off, we need to create the new module.
std::unique_ptr<Module> New =
llvm::make_unique<Module>(M->getModuleIdentifier(), M->getContext());
New->setDataLayout(M->getDataLayout());
New->setTargetTriple(M->getTargetTriple());
New->setModuleInlineAsm(M->getModuleInlineAsm());
// Loop over all of the global variables, making corresponding globals in the
// new module. Here we add them to the VMap and to the new Module. We
// don't worry about attributes or initializers, they will come later.
//
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
GlobalVariable *GV = new GlobalVariable(*New,
I->getValueType(),
I->isConstant(), I->getLinkage(),
(Constant*) nullptr, I->getName(),
(GlobalVariable*) nullptr,
I->getThreadLocalMode(),
I->getType()->getAddressSpace());
GV->copyAttributesFrom(&*I);
VMap[&*I] = GV;
}
// Loop over the functions in the module, making external functions as before
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *NF =
Function::Create(cast<FunctionType>(I->getValueType()),
I->getLinkage(), I->getName(), New.get());
NF->copyAttributesFrom(&*I);
VMap[&*I] = NF;
}
// Loop over the aliases in the module
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I) {
if (!ShouldCloneDefinition(&*I)) {
// An alias cannot act as an external reference, so we need to create
// either a function or a global variable depending on the value type.
// FIXME: Once pointee types are gone we can probably pick one or the
// other.
GlobalValue *GV;
if (I->getValueType()->isFunctionTy())
GV = Function::Create(cast<FunctionType>(I->getValueType()),
GlobalValue::ExternalLinkage, I->getName(),
New.get());
else
GV = new GlobalVariable(
*New, I->getValueType(), false, GlobalValue::ExternalLinkage,
(Constant *)nullptr, I->getName(), (GlobalVariable *)nullptr,
I->getThreadLocalMode(), I->getType()->getAddressSpace());
VMap[&*I] = GV;
// We do not copy attributes (mainly because copying between different
// kinds of globals is forbidden), but this is generally not required for
// correctness.
continue;
}
auto *GA = GlobalAlias::create(I->getValueType(),
I->getType()->getPointerAddressSpace(),
I->getLinkage(), I->getName(), New.get());
GA->copyAttributesFrom(&*I);
VMap[&*I] = GA;
}
// Now that all of the things that global variable initializer can refer to
// have been created, loop through and copy the global variable referrers
// over... We also set the attributes on the global now.
//
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
GlobalVariable *GV = cast<GlobalVariable>(VMap[&*I]);
if (!ShouldCloneDefinition(&*I)) {
// Skip after setting the correct linkage for an external reference.
GV->setLinkage(GlobalValue::ExternalLinkage);
continue;
}
if (I->hasInitializer())
GV->setInitializer(MapValue(I->getInitializer(), VMap));
}
// Similarly, copy over function bodies now...
//
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *F = cast<Function>(VMap[&*I]);
if (!ShouldCloneDefinition(&*I)) {
// Skip after setting the correct linkage for an external reference.
F->setLinkage(GlobalValue::ExternalLinkage);
// Personality function is not valid on a declaration.
F->setPersonalityFn(nullptr);
continue;
}
if (!I->isDeclaration()) {
Function::arg_iterator DestI = F->arg_begin();
for (Function::const_arg_iterator J = I->arg_begin(); J != I->arg_end();
++J) {
DestI->setName(J->getName());
VMap[&*J] = &*DestI++;
}
SmallVector<ReturnInst*, 8> Returns; // Ignore returns cloned.
CloneFunctionInto(F, &*I, VMap, /*ModuleLevelChanges=*/true, Returns);
}
if (I->hasPersonalityFn())
F->setPersonalityFn(MapValue(I->getPersonalityFn(), VMap));
}
// And aliases
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I) {
// We already dealt with undefined aliases above.
if (!ShouldCloneDefinition(&*I))
continue;
GlobalAlias *GA = cast<GlobalAlias>(VMap[&*I]);
if (const Constant *C = I->getAliasee())
GA->setAliasee(MapValue(C, VMap));
}
// And named metadata....
for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
E = M->named_metadata_end(); I != E; ++I) {
const NamedMDNode &NMD = *I;
NamedMDNode *NewNMD = New->getOrInsertNamedMetadata(NMD.getName());
for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i)
NewNMD->addOperand(MapMetadata(NMD.getOperand(i), VMap));
}
return New;
}
Module *llvm::CloneModule(const Module *M, ValueToValueMapTy &VMap) {
// First off, we need to create the new module.
Module *New = new Module(M->getModuleIdentifier(), M->getContext());
New->setDataLayout(M->getDataLayout());
New->setTargetTriple(M->getTargetTriple());
New->setModuleInlineAsm(M->getModuleInlineAsm());
// Loop over all of the global variables, making corresponding globals in the
// new module. Here we add them to the VMap and to the new Module. We
// don't worry about attributes or initializers, they will come later.
//
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
GlobalVariable *GV = new GlobalVariable(*New,
I->getType()->getElementType(),
I->isConstant(), I->getLinkage(),
(Constant*) nullptr, I->getName(),
(GlobalVariable*) nullptr,
I->getThreadLocalMode(),
I->getType()->getAddressSpace());
GV->copyAttributesFrom(I);
VMap[I] = GV;
}
// Loop over the functions in the module, making external functions as before
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *NF =
Function::Create(cast<FunctionType>(I->getType()->getElementType()),
I->getLinkage(), I->getName(), New);
NF->copyAttributesFrom(I);
VMap[I] = NF;
}
// Loop over the aliases in the module
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I) {
auto *PTy = cast<PointerType>(I->getType());
auto *GA =
GlobalAlias::create(PTy->getElementType(), PTy->getAddressSpace(),
I->getLinkage(), I->getName(), New);
GA->copyAttributesFrom(I);
VMap[I] = GA;
}
// Now that all of the things that global variable initializer can refer to
// have been created, loop through and copy the global variable referrers
// over... We also set the attributes on the global now.
//
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
GlobalVariable *GV = cast<GlobalVariable>(VMap[I]);
if (I->hasInitializer())
GV->setInitializer(MapValue(I->getInitializer(), VMap));
}
// Similarly, copy over function bodies now...
//
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *F = cast<Function>(VMap[I]);
if (!I->isDeclaration()) {
Function::arg_iterator DestI = F->arg_begin();
for (Function::const_arg_iterator J = I->arg_begin(); J != I->arg_end();
++J) {
DestI->setName(J->getName());
VMap[J] = DestI++;
}
SmallVector<ReturnInst*, 8> Returns; // Ignore returns cloned.
CloneFunctionInto(F, I, VMap, /*ModuleLevelChanges=*/true, Returns);
}
}
// And aliases
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I) {
GlobalAlias *GA = cast<GlobalAlias>(VMap[I]);
if (const Constant *C = I->getAliasee())
GA->setAliasee(cast<GlobalObject>(MapValue(C, VMap)));
}
// And named metadata....
for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
E = M->named_metadata_end(); I != E; ++I) {
const NamedMDNode &NMD = *I;
NamedMDNode *NewNMD = New->getOrInsertNamedMetadata(NMD.getName());
for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i)
NewNMD->addOperand(MapValue(NMD.getOperand(i), VMap));
}
return New;
}
void externalsAndGlobalsCheck(const Module *m) {
std::map<std::string, bool> externals;
std::set<std::string> modelled(modelledExternals,
modelledExternals+NELEMS(modelledExternals));
std::set<std::string> dontCare(dontCareExternals,
dontCareExternals+NELEMS(dontCareExternals));
std::set<std::string> unsafe(unsafeExternals,
unsafeExternals+NELEMS(unsafeExternals));
switch (Libc) {
case KleeLibc:
dontCare.insert(dontCareKlee, dontCareKlee+NELEMS(dontCareKlee));
break;
case UcLibc:
dontCare.insert(dontCareUclibc,
dontCareUclibc+NELEMS(dontCareUclibc));
break;
case NoLibc: /* silence compiler warning */
break;
}
if (WithPOSIXRuntime)
dontCare.insert("syscall");
for (Module::const_iterator fnIt = m->begin(), fn_ie = m->end();
fnIt != fn_ie; ++fnIt) {
if (fnIt->isDeclaration() && !fnIt->use_empty())
externals.insert(std::make_pair(fnIt->getName(), false));
for (Function::const_iterator bbIt = fnIt->begin(), bb_ie = fnIt->end();
bbIt != bb_ie; ++bbIt) {
for (BasicBlock::const_iterator it = bbIt->begin(), ie = bbIt->end();
it != ie; ++it) {
if (const CallInst *ci = dyn_cast<CallInst>(it)) {
if (isa<InlineAsm>(ci->getCalledValue())) {
klee_warning_once(&*fnIt,
"function \"%s\" has inline asm",
fnIt->getName().data());
}
}
}
}
}
for (Module::const_global_iterator
it = m->global_begin(), ie = m->global_end();
it != ie; ++it)
if (it->isDeclaration() && !it->use_empty())
externals.insert(std::make_pair(it->getName(), true));
// and remove aliases (they define the symbol after global
// initialization)
for (Module::const_alias_iterator
it = m->alias_begin(), ie = m->alias_end();
it != ie; ++it) {
std::map<std::string, bool>::iterator it2 =
externals.find(it->getName());
if (it2!=externals.end())
externals.erase(it2);
}
std::map<std::string, bool> foundUnsafe;
for (std::map<std::string, bool>::iterator
it = externals.begin(), ie = externals.end();
it != ie; ++it) {
const std::string &ext = it->first;
if (!modelled.count(ext) && (WarnAllExternals ||
!dontCare.count(ext))) {
if (unsafe.count(ext)) {
foundUnsafe.insert(*it);
} else {
klee_warning("undefined reference to %s: %s",
it->second ? "variable" : "function",
ext.c_str());
}
}
}
for (std::map<std::string, bool>::iterator
it = foundUnsafe.begin(), ie = foundUnsafe.end();
it != ie; ++it) {
const std::string &ext = it->first;
klee_warning("undefined reference to %s: %s (UNSAFE)!",
it->second ? "variable" : "function",
ext.c_str());
}
}
std::unique_ptr<Module>
llvm::CloneSubModule(const Module &M,
HandleGlobalVariableFtor HandleGlobalVariable,
HandleFunctionFtor HandleFunction, bool KeepInlineAsm) {
ValueToValueMapTy VMap;
// First off, we need to create the new module.
std::unique_ptr<Module> New =
llvm::make_unique<Module>(M.getModuleIdentifier(), M.getContext());
New->setDataLayout(M.getDataLayout());
New->setTargetTriple(M.getTargetTriple());
if (KeepInlineAsm)
New->setModuleInlineAsm(M.getModuleInlineAsm());
// Copy global variables (but not initializers, yet).
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
I != E; ++I) {
GlobalVariable *GV = new GlobalVariable(
*New, I->getType()->getElementType(), I->isConstant(), I->getLinkage(),
(Constant *)nullptr, I->getName(), (GlobalVariable *)nullptr,
I->getThreadLocalMode(), I->getType()->getAddressSpace());
GV->copyAttributesFrom(I);
VMap[I] = GV;
}
// Loop over the functions in the module, making external functions as before
for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) {
Function *NF =
Function::Create(cast<FunctionType>(I->getType()->getElementType()),
I->getLinkage(), I->getName(), &*New);
NF->copyAttributesFrom(I);
VMap[I] = NF;
}
// Loop over the aliases in the module
for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
I != E; ++I) {
auto *PTy = cast<PointerType>(I->getType());
auto *GA =
GlobalAlias::create(PTy->getElementType(), PTy->getAddressSpace(),
I->getLinkage(), I->getName(), &*New);
GA->copyAttributesFrom(I);
VMap[I] = GA;
}
// Now that all of the things that global variable initializer can refer to
// have been created, loop through and copy the global variable referrers
// over... We also set the attributes on the global now.
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
I != E; ++I) {
GlobalVariable &GV = *cast<GlobalVariable>(VMap[I]);
HandleGlobalVariable(GV, *I, VMap);
}
// Similarly, copy over function bodies now...
//
for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) {
Function &F = *cast<Function>(VMap[I]);
HandleFunction(F, *I, VMap);
}
// And aliases
for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
I != E; ++I) {
GlobalAlias *GA = cast<GlobalAlias>(VMap[I]);
if (const Constant *C = I->getAliasee())
GA->setAliasee(MapValue(C, VMap));
}
// And named metadata....
for (Module::const_named_metadata_iterator I = M.named_metadata_begin(),
E = M.named_metadata_end();
I != E; ++I) {
const NamedMDNode &NMD = *I;
NamedMDNode *NewNMD = New->getOrInsertNamedMetadata(NMD.getName());
for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i)
NewNMD->addOperand(MapMetadata(NMD.getOperand(i), VMap));
}
return New;
}
Module *llvm::CloneModule(const Module *M,
DenseMap<const Value*, Value*> &ValueMap) {
// First off, we need to create the new module...
Module *New = new Module(M->getModuleIdentifier());
New->setDataLayout(M->getDataLayout());
New->setTargetTriple(M->getTargetTriple());
New->setModuleInlineAsm(M->getModuleInlineAsm());
// Copy all of the type symbol table entries over.
const TypeSymbolTable &TST = M->getTypeSymbolTable();
for (TypeSymbolTable::const_iterator TI = TST.begin(), TE = TST.end();
TI != TE; ++TI)
New->addTypeName(TI->first, TI->second);
// Copy all of the dependent libraries over.
for (Module::lib_iterator I = M->lib_begin(), E = M->lib_end(); I != E; ++I)
New->addLibrary(*I);
// Loop over all of the global variables, making corresponding globals in the
// new module. Here we add them to the ValueMap and to the new Module. We
// don't worry about attributes or initializers, they will come later.
//
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
GlobalVariable *GV = new GlobalVariable(I->getType()->getElementType(),
false,
GlobalValue::ExternalLinkage, 0,
I->getName(), New);
GV->setAlignment(I->getAlignment());
ValueMap[I] = GV;
}
// Loop over the functions in the module, making external functions as before
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *NF =
Function::Create(cast<FunctionType>(I->getType()->getElementType()),
GlobalValue::ExternalLinkage, I->getName(), New);
NF->copyAttributesFrom(I);
ValueMap[I] = NF;
}
// Loop over the aliases in the module
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I)
ValueMap[I] = new GlobalAlias(I->getType(), GlobalAlias::ExternalLinkage,
I->getName(), NULL, New);
// Now that all of the things that global variable initializer can refer to
// have been created, loop through and copy the global variable referrers
// over... We also set the attributes on the global now.
//
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
GlobalVariable *GV = cast<GlobalVariable>(ValueMap[I]);
if (I->hasInitializer())
GV->setInitializer(cast<Constant>(MapValue(I->getInitializer(),
ValueMap)));
GV->setLinkage(I->getLinkage());
GV->setThreadLocal(I->isThreadLocal());
GV->setConstant(I->isConstant());
}
// Similarly, copy over function bodies now...
//
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *F = cast<Function>(ValueMap[I]);
if (!I->isDeclaration()) {
Function::arg_iterator DestI = F->arg_begin();
for (Function::const_arg_iterator J = I->arg_begin(); J != I->arg_end();
++J) {
DestI->setName(J->getName());
ValueMap[J] = DestI++;
}
std::vector<ReturnInst*> Returns; // Ignore returns cloned...
CloneFunctionInto(F, I, ValueMap, Returns);
}
F->setLinkage(I->getLinkage());
}
// And aliases
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I) {
GlobalAlias *GA = cast<GlobalAlias>(ValueMap[I]);
GA->setLinkage(I->getLinkage());
if (const Constant* C = I->getAliasee())
GA->setAliasee(cast<Constant>(MapValue(C, ValueMap)));
}
return New;
}
Module *llvm::CloneModule(const Module *M,
ValueToValueMapTy &VMap) {
// First off, we need to create the new module...
Module *New = new Module(M->getModuleIdentifier(), M->getContext());
New->setDataLayout(M->getDataLayout());
New->setTargetTriple(M->getTargetTriple());
New->setModuleInlineAsm(M->getModuleInlineAsm());
// Copy all of the type symbol table entries over.
const TypeSymbolTable &TST = M->getTypeSymbolTable();
for (TypeSymbolTable::const_iterator TI = TST.begin(), TE = TST.end();
TI != TE; ++TI)
New->addTypeName(TI->first, TI->second);
// Copy all of the dependent libraries over.
for (Module::lib_iterator I = M->lib_begin(), E = M->lib_end(); I != E; ++I)
New->addLibrary(*I);
// Loop over all of the global variables, making corresponding globals in the
// new module. Here we add them to the VMap and to the new Module. We
// don't worry about attributes or initializers, they will come later.
//
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
GlobalVariable *GV = new GlobalVariable(*New,
I->getType()->getElementType(),
false,
GlobalValue::ExternalLinkage, 0,
I->getName());
GV->setAlignment(I->getAlignment());
VMap[I] = GV;
}
// Loop over the functions in the module, making external functions as before
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *NF =
Function::Create(cast<FunctionType>(I->getType()->getElementType()),
GlobalValue::ExternalLinkage, I->getName(), New);
NF->copyAttributesFrom(I);
VMap[I] = NF;
}
// Loop over the aliases in the module
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I)
VMap[I] = new GlobalAlias(I->getType(), GlobalAlias::ExternalLinkage,
I->getName(), NULL, New);
// Now that all of the things that global variable initializer can refer to
// have been created, loop through and copy the global variable referrers
// over... We also set the attributes on the global now.
//
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
GlobalVariable *GV = cast<GlobalVariable>(VMap[I]);
if (I->hasInitializer())
GV->setInitializer(cast<Constant>(MapValue(I->getInitializer(),
VMap)));
GV->setLinkage(I->getLinkage());
GV->setThreadLocal(I->isThreadLocal());
GV->setConstant(I->isConstant());
}
// Similarly, copy over function bodies now...
//
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
Function *F = cast<Function>(VMap[I]);
if (!I->isDeclaration()) {
Function::arg_iterator DestI = F->arg_begin();
for (Function::const_arg_iterator J = I->arg_begin(); J != I->arg_end();
++J) {
DestI->setName(J->getName());
VMap[J] = DestI++;
}
SmallVector<ReturnInst*, 8> Returns; // Ignore returns cloned.
CloneFunctionInto(F, I, VMap, Returns);
}
F->setLinkage(I->getLinkage());
}
// And aliases
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I) {
GlobalAlias *GA = cast<GlobalAlias>(VMap[I]);
GA->setLinkage(I->getLinkage());
if (const Constant* C = I->getAliasee())
GA->setAliasee(cast<Constant>(MapValue(C, VMap)));
}
// And named metadata....
for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
E = M->named_metadata_end(); I != E; ++I) {
const NamedMDNode &NMD = *I;
SmallVector<MDNode*, 4> MDs;
for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i)
MDs.push_back(cast<MDNode>(MapValue(NMD.getOperand(i), VMap)));
NamedMDNode::Create(New->getContext(), NMD.getName(),
MDs.data(), MDs.size(), New);
}
// Update metadata attach with instructions.
for (Module::iterator MI = New->begin(), ME = New->end(); MI != ME; ++MI)
for (Function::iterator FI = MI->begin(), FE = MI->end();
FI != FE; ++FI)
for (BasicBlock::iterator BI = FI->begin(), BE = FI->end();
BI != BE; ++BI) {
SmallVector<std::pair<unsigned, MDNode *>, 4 > MDs;
BI->getAllMetadata(MDs);
for (SmallVector<std::pair<unsigned, MDNode *>, 4>::iterator
MDI = MDs.begin(), MDE = MDs.end(); MDI != MDE; ++MDI) {
Value *MappedValue = MapValue(MDI->second, VMap);
if (MDI->second != MappedValue && MappedValue)
BI->setMetadata(MDI->first, cast<MDNode>(MappedValue));
}
}
return New;
}
static void printCollection(const Collection &C, llvm::raw_ostream &O,
const Module *M, const std::string &Prefix) {
if (M == 0) {
O << "Null Module pointer, cannot continue!\n";
return;
}
unsigned TotalNumNodes = 0, TotalCallNodes = 0;
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
if (C.hasDSGraph(*I)) {
DSGraph* Gr = C.getDSGraph((const Function&)*I);
unsigned NumCalls = Gr->shouldUseAuxCalls() ?
Gr->getAuxFunctionCalls().size() : Gr->getFunctionCalls().size();
bool IsDuplicateGraph = false;
//if no only print options, print everything
bool doPrint = OnlyPrint.begin() == OnlyPrint.end();
//otherwise check the name
if (!doPrint)
doPrint = OnlyPrint.end() !=
std::find(OnlyPrint.begin(), OnlyPrint.end(), I->getName().str());
if (doPrint) {
const Function *SCCFn = Gr->retnodes_begin()->first;
if (&*I == SCCFn) {
Gr->writeGraphToFile(O, Prefix+I->getName().str());
} else {
IsDuplicateGraph = true; // Don't double count node/call nodes.
O << "Didn't write '" << Prefix+I->getName().str()
<< ".dot' - Graph already emitted to '" << Prefix+SCCFn->getName().str()
<< "\n";
}
} else {
const Function *SCCFn = Gr->retnodes_begin()->first;
if (&*I == SCCFn) {
//O << "Skipped Writing '" << Prefix+I->getName().str() << ".dot'... ["
// << Gr->getGraphSize() << "+" << NumCalls << "]\n";
} else {
IsDuplicateGraph = true; // Don't double count node/call nodes.
}
}
if (!IsDuplicateGraph) {
unsigned GraphSize = Gr->getGraphSize();
if (MaxGraphSize < GraphSize) MaxGraphSize = GraphSize;
TotalNumNodes += Gr->getGraphSize();
TotalCallNodes += NumCalls;
for (DSGraph::node_iterator NI = Gr->node_begin(), E = Gr->node_end();
NI != E; ++NI)
if (NI->isNodeCompletelyFolded())
++NumFoldedNodes;
}
}
DSGraph* GG = C.getGlobalsGraph();
TotalNumNodes += GG->getGraphSize();
TotalCallNodes += GG->getFunctionCalls().size();
GG->writeGraphToFile(O, Prefix + "GlobalsGraph");
O << "\nGraphs contain [" << TotalNumNodes << "+" << TotalCallNodes
<< "] nodes total\n";
}