#include "llvm/Pass.h"
#include "llvm/PassRegistry.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/PassNameParser.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
Pass::Pass(PassKind K, char &pid) : Resolver(0), PassID(&pid), Kind(K) { }
Pass::~Pass() {
delete Resolver;
}
ModulePass::~ModulePass() { }
Pass *ModulePass::createPrinterPass(raw_ostream &O,
const std::string &Banner) const {
return createPrintModulePass(&O, false, Banner);
}
PassManagerType ModulePass::getPotentialPassManagerType() const {
return PMT_ModulePassManager;
}
bool Pass::mustPreserveAnalysisID(char &AID) const {
return Resolver->getAnalysisIfAvailable(&AID, true) != 0;
}
void Pass::dumpPassStructure(unsigned Offset) {
dbgs().indent(Offset*2) << getPassName() << "\n";
}
const char *Pass::getPassName() const {
AnalysisID AID = getPassID();
const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(AID);
if (PI)
return PI->getPassName();
return "Unnamed pass: implement Pass::getPassName()";
}
void Pass::preparePassManager(PMStack &) {
}
PassManagerType Pass::getPotentialPassManagerType() const {
return PMT_Unknown;
}
void Pass::getAnalysisUsage(AnalysisUsage &) const {
}
void Pass::releaseMemory() {
}
void Pass::verifyAnalysis() const {
}
void *Pass::getAdjustedAnalysisPointer(AnalysisID AID) {
return this;
}
ImmutablePass *Pass::getAsImmutablePass() {
return 0;
}
PMDataManager *Pass::getAsPMDataManager() {
return 0;
}
void Pass::setResolver(AnalysisResolver *AR) {
assert(!Resolver && "Resolver is already set");
Resolver = AR;
}
void Pass::print(raw_ostream &O,const Module*) const {
O << "Pass::print not implemented for pass: '" << getPassName() << "'!\n";
}
void Pass::dump() const {
print(dbgs(), 0);
}
ImmutablePass::~ImmutablePass() { }
void ImmutablePass::initializePass() {
}
Pass *FunctionPass::createPrinterPass(raw_ostream &O,
const std::string &Banner) const {
return createPrintFunctionPass(Banner, &O);
}
bool FunctionPass::doInitialization(Module &) {
return false;
}
bool FunctionPass::doFinalization(Module &) {
return false;
}
PassManagerType FunctionPass::getPotentialPassManagerType() const {
return PMT_FunctionPassManager;
}
Pass *BasicBlockPass::createPrinterPass(raw_ostream &O,
const std::string &Banner) const {
llvm_unreachable("BasicBlockPass printing unsupported.");
return 0;
}
bool BasicBlockPass::doInitialization(Module &) {
return false;
}
bool BasicBlockPass::doInitialization(Function &) {
return false;
}
bool BasicBlockPass::doFinalization(Function &) {
return false;
}
bool BasicBlockPass::doFinalization(Module &) {
return false;
}
PassManagerType BasicBlockPass::getPotentialPassManagerType() const {
return PMT_BasicBlockPassManager;
}
const PassInfo *Pass::lookupPassInfo(const void *TI) {
return PassRegistry::getPassRegistry()->getPassInfo(TI);
}
const PassInfo *Pass::lookupPassInfo(StringRef Arg) {
return PassRegistry::getPassRegistry()->getPassInfo(Arg);
}
Pass *PassInfo::createPass() const {
assert((!isAnalysisGroup() || NormalCtor) &&
"No default implementation found for analysis group!");
assert(NormalCtor &&
"Cannot call createPass on PassInfo without default ctor!");
return NormalCtor();
}
RegisterAGBase::RegisterAGBase(const char *Name, const void *InterfaceID,
const void *PassID, bool isDefault)
: PassInfo(Name, InterfaceID) {
PassRegistry::getPassRegistry()->registerAnalysisGroup(InterfaceID, PassID,
*this, isDefault);
}
PassRegistrationListener::PassRegistrationListener() {
PassRegistry::getPassRegistry()->addRegistrationListener(this);
}
PassRegistrationListener::~PassRegistrationListener() {
PassRegistry::getPassRegistry()->removeRegistrationListener(this);
}
void PassRegistrationListener::enumeratePasses() {
PassRegistry::getPassRegistry()->enumerateWith(this);
}
PassNameParser::~PassNameParser() {}
namespace {
struct GetCFGOnlyPasses : public PassRegistrationListener {
typedef AnalysisUsage::VectorType VectorType;
VectorType &CFGOnlyList;
GetCFGOnlyPasses(VectorType &L) : CFGOnlyList(L) {}
void passEnumerate(const PassInfo *P) {
if (P->isCFGOnlyPass())
CFGOnlyList.push_back(P->getTypeInfo());
}
};
}
void AnalysisUsage::setPreservesCFG() {
GetCFGOnlyPasses(Preserved).enumeratePasses();
}
AnalysisUsage &AnalysisUsage::addPreserved(StringRef Arg) {
const PassInfo *PI = Pass::lookupPassInfo(Arg);
if (PI) Preserved.push_back(PI->getTypeInfo());
return *this;
}
AnalysisUsage &AnalysisUsage::addRequiredID(const void *ID) {
Required.push_back(ID);
return *this;
}
AnalysisUsage &AnalysisUsage::addRequiredID(char &ID) {
Required.push_back(&ID);
return *this;
}
AnalysisUsage &AnalysisUsage::addRequiredTransitiveID(char &ID) {
Required.push_back(&ID);
RequiredTransitive.push_back(&ID);
return *this;
}