#include "llvm/Module.h"
#include "Support/STLExtras.h"
#include "Support/TypeInfo.h"
-#include <typeinfo>
-#include <sys/time.h>
-#include <stdio.h>
+#include "Config/stdio.h"
+#include "Config/sys/resource.h"
+#include "Config/sys/time.h"
+#include "Config/unistd.h"
+#include <set>
+
+// IncludeFile - Stub function used to help linking out.
+IncludeFile::IncludeFile(void*) {}
//===----------------------------------------------------------------------===//
// AnalysisID Class Implementation
// AnalysisUsage Class Implementation
//
-// preservesCFG - This function should be called to by the pass, iff they do
+// setPreservesCFG - This function should be called to by the pass, iff they do
// not:
//
// 1. Add or remove basic blocks from the function
// This function annotates the AnalysisUsage info object to say that analyses
// that only depend on the CFG are preserved by this pass.
//
-void AnalysisUsage::preservesCFG() {
+void AnalysisUsage::setPreservesCFG() {
// Since this transformation doesn't modify the CFG, it preserves all analyses
// that only depend on the CFG (like dominators, loop info, etc...)
//
void PassManager::add(Pass *P) { PM->add(P); }
bool PassManager::run(Module &M) { return PM->run(M); }
+//===----------------------------------------------------------------------===//
+// FunctionPassManager implementation - The FunctionPassManager class
+// is a simple Pimpl class that wraps the PassManagerT template. It
+// is like PassManager, but only deals in FunctionPasses.
+//
+FunctionPassManager::FunctionPassManager() : PM(new PassManagerT<Function>()) {}
+FunctionPassManager::~FunctionPassManager() { delete PM; }
+void FunctionPassManager::add(FunctionPass *P) { PM->add(P); }
+bool FunctionPassManager::run(Function &F) { return PM->run(F); }
+
//===----------------------------------------------------------------------===//
// TimingInfo Class - This class is used to calculate information about the
EnableTiming("time-passes",
cl::desc("Time each pass, printing elapsed time for each on exit"));
-static double getTime() {
- struct timeval T;
- gettimeofday(&T, 0);
- return T.tv_sec + T.tv_usec/1000000.0;
+// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to
+// a non null value (if the -time-passes option is enabled) or it leaves it
+// null. It may be called multiple times.
+void TimingInfo::createTheTimeInfo() {
+ if (!EnableTiming || TheTimeInfo) return;
+
+ // Constructed the first time this is called, iff -time-passes is enabled.
+ // This guarantees that the object will be constructed before static globals,
+ // thus it will be destroyed before them.
+ static TimingInfo TTI;
+ TheTimeInfo = &TTI;
}
-// Create method. If Timing is enabled, this creates and returns a new timing
-// object, otherwise it returns null.
-//
-TimingInfo *TimingInfo::create() {
- return EnableTiming ? new TimingInfo() : 0;
-}
-
-void TimingInfo::passStarted(Pass *P) { TimingData[P] -= getTime(); }
-void TimingInfo::passEnded(Pass *P) { TimingData[P] += getTime(); }
-
-// TimingDtor - Print out information about timing information
-TimingInfo::~TimingInfo() {
- // Iterate over all of the data, converting it into the dual of the data map,
- // so that the data is sorted by amount of time taken, instead of pointer.
- //
- std::vector<std::pair<double, Pass*> > Data;
- double TotalTime = 0;
- for (std::map<Pass*, double>::iterator I = TimingData.begin(),
- E = TimingData.end(); I != E; ++I)
- // Throw out results for "grouping" pass managers...
- if (!dynamic_cast<AnalysisResolver*>(I->first)) {
- Data.push_back(std::make_pair(I->second, I->first));
- TotalTime += I->second;
- }
-
- // Sort the data by time as the primary key, in reverse order...
- std::sort(Data.begin(), Data.end(), std::greater<std::pair<double, Pass*> >());
-
- // Print out timing header...
- std::cerr << std::string(79, '=') << "\n"
- << " ... Pass execution timing report ...\n"
- << std::string(79, '=') << "\n Total Execution Time: " << TotalTime
- << " seconds\n\n % Time: Seconds:\tPass Name:\n";
-
- // Loop through all of the timing data, printing it out...
- for (unsigned i = 0, e = Data.size(); i != e; ++i) {
- fprintf(stderr, " %6.2f%% %fs\t%s\n", Data[i].first*100 / TotalTime,
- Data[i].first, Data[i].second->getPassName());
- }
- std::cerr << " 100.00% " << TotalTime << "s\tTOTAL\n"
- << std::string(79, '=') << "\n";
-}
-
-
void PMDebug::PrintArgumentInformation(const Pass *P) {
// Print out passes in pass manager...
if (const AnalysisResolver *PM = dynamic_cast<const AnalysisResolver*>(P)) {
Pass *P, const std::vector<AnalysisID> &Set){
if (PassDebugging >= Details && !Set.empty()) {
std::cerr << (void*)P << std::string(Depth*2+3, ' ') << Msg << " Analyses:";
- for (unsigned i = 0; i != Set.size(); ++i)
- std::cerr << " " << Set[i]->getPassName();
+ for (unsigned i = 0; i != Set.size(); ++i) {
+ if (i) std::cerr << ",";
+ std::cerr << " " << Set[i]->getPassName();
+ }
std::cerr << "\n";
}
}
PM->addPass(this, AU);
}
+bool Pass::mustPreserveAnalysisID(const PassInfo *AnalysisID) const {
+ return Resolver->getAnalysisToUpdate(AnalysisID) != 0;
+}
+
// dumpPassStructure - Implement the -debug-passes=Structure option
void Pass::dumpPassStructure(unsigned Offset) {
std::cerr << std::string(Offset*2, ' ') << getPassName() << "\n";
print(std::cerr, 0);
}
+//===----------------------------------------------------------------------===//
+// ImmutablePass Implementation
+//
+void ImmutablePass::addToPassManager(PassManagerT<Module> *PM,
+ AnalysisUsage &AU) {
+ PM->addPass(this, AU);
+}
+
+
//===----------------------------------------------------------------------===//
// FunctionPass Implementation
//
// function.
//
bool BasicBlockPass::runOnFunction(Function &F) {
- bool Changed = false;
+ bool Changed = doInitialization(F);
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I)
Changed |= runOnBasicBlock(*I);
- return Changed;
+ return Changed | doFinalization(F);
}
// To run directly on the basic block, we initialize, runOnBasicBlock, then
// finalize.
//
bool BasicBlockPass::run(BasicBlock &BB) {
- Module &M = *BB.getParent()->getParent();
- return doInitialization(M) | runOnBasicBlock(BB) | doFinalization(M);
+ Function &F = *BB.getParent();
+ Module &M = *F.getParent();
+ return doInitialization(M) | doInitialization(F) | runOnBasicBlock(BB) |
+ doFinalization(F) | doFinalization(M);
}
void BasicBlockPass::addToPassManager(PassManagerT<Function> *PM,
// pass...
const PassInfo *Pass::getPassInfo() const {
if (PassInfoCache) return PassInfoCache;
+ return lookupPassInfo(typeid(*this));
+}
+
+const PassInfo *Pass::lookupPassInfo(const std::type_info &TI) {
if (PassInfoMap == 0) return 0;
- std::map<TypeInfo, PassInfo*>::iterator I = PassInfoMap->find(typeid(*this));
+ std::map<TypeInfo, PassInfo*>::iterator I = PassInfoMap->find(TI);
return (I != PassInfoMap->end()) ? I->second : 0;
}
(*I)->passRegistered(PI);
}
-RegisterPassBase::~RegisterPassBase() {
+void RegisterPassBase::unregisterPass(PassInfo *PI) {
assert(PassInfoMap && "Pass registered but not in map!");
std::map<TypeInfo, PassInfo*>::iterator I =
- PassInfoMap->find(PIObj->getTypeInfo());
+ PassInfoMap->find(PI->getTypeInfo());
assert(I != PassInfoMap->end() && "Pass registered but not in map!");
// Remove pass from the map...
if (Listeners)
for (std::vector<PassRegistrationListener*>::iterator
I = Listeners->begin(), E = Listeners->end(); I != E; ++I)
- (*I)->passUnregistered(PIObj);
+ (*I)->passUnregistered(PI);
// Delete the PassInfo object itself...
- delete PIObj;
+ delete PI;
}
+//===----------------------------------------------------------------------===//
+// Analysis Group Implementation Code
+//===----------------------------------------------------------------------===//
+
+struct AnalysisGroupInfo {
+ const PassInfo *DefaultImpl;
+ std::set<const PassInfo *> Implementations;
+ AnalysisGroupInfo() : DefaultImpl(0) {}
+};
+
+static std::map<const PassInfo *, AnalysisGroupInfo> *AnalysisGroupInfoMap = 0;
+
+// RegisterAGBase implementation
+//
+RegisterAGBase::RegisterAGBase(const std::type_info &Interface,
+ const std::type_info *Pass, bool isDefault)
+ : ImplementationInfo(0), isDefaultImplementation(isDefault) {
+
+ InterfaceInfo = const_cast<PassInfo*>(Pass::lookupPassInfo(Interface));
+ if (InterfaceInfo == 0) { // First reference to Interface, add it now.
+ InterfaceInfo = // Create the new PassInfo for the interface...
+ new PassInfo("", "", Interface, PassInfo::AnalysisGroup, 0, 0);
+ registerPass(InterfaceInfo);
+ PIObj = 0;
+ }
+ assert(InterfaceInfo->getPassType() == PassInfo::AnalysisGroup &&
+ "Trying to join an analysis group that is a normal pass!");
+
+ if (Pass) {
+ ImplementationInfo = Pass::lookupPassInfo(*Pass);
+ assert(ImplementationInfo &&
+ "Must register pass before adding to AnalysisGroup!");
+
+ // Make sure we keep track of the fact that the implementation implements
+ // the interface.
+ PassInfo *IIPI = const_cast<PassInfo*>(ImplementationInfo);
+ IIPI->addInterfaceImplemented(InterfaceInfo);
+
+ // Lazily allocate to avoid nasty initialization order dependencies
+ if (AnalysisGroupInfoMap == 0)
+ AnalysisGroupInfoMap = new std::map<const PassInfo *,AnalysisGroupInfo>();
+
+ AnalysisGroupInfo &AGI = (*AnalysisGroupInfoMap)[InterfaceInfo];
+ assert(AGI.Implementations.count(ImplementationInfo) == 0 &&
+ "Cannot add a pass to the same analysis group more than once!");
+ AGI.Implementations.insert(ImplementationInfo);
+ if (isDefault) {
+ assert(AGI.DefaultImpl == 0 && InterfaceInfo->getNormalCtor() == 0 &&
+ "Default implementation for analysis group already specified!");
+ assert(ImplementationInfo->getNormalCtor() &&
+ "Cannot specify pass as default if it does not have a default ctor");
+ AGI.DefaultImpl = ImplementationInfo;
+ InterfaceInfo->setNormalCtor(ImplementationInfo->getNormalCtor());
+ }
+ }
+}
+
+void RegisterAGBase::setGroupName(const char *Name) {
+ assert(InterfaceInfo->getPassName()[0] == 0 && "Interface Name already set!");
+ InterfaceInfo->setPassName(Name);
+}
+
+RegisterAGBase::~RegisterAGBase() {
+ if (ImplementationInfo) {
+ assert(AnalysisGroupInfoMap && "Inserted into map, but map doesn't exist?");
+ AnalysisGroupInfo &AGI = (*AnalysisGroupInfoMap)[InterfaceInfo];
+
+ assert(AGI.Implementations.count(ImplementationInfo) &&
+ "Pass not a member of analysis group?");
+
+ if (AGI.DefaultImpl == ImplementationInfo)
+ AGI.DefaultImpl = 0;
+
+ AGI.Implementations.erase(ImplementationInfo);
+
+ // Last member of this analysis group? Unregister PassInfo, delete map entry
+ if (AGI.Implementations.empty()) {
+ assert(AGI.DefaultImpl == 0 &&
+ "Default implementation didn't unregister?");
+ AnalysisGroupInfoMap->erase(InterfaceInfo);
+ if (AnalysisGroupInfoMap->empty()) { // Delete map if empty
+ delete AnalysisGroupInfoMap;
+ AnalysisGroupInfoMap = 0;
+ }
+
+ unregisterPass(InterfaceInfo);
+ }
+ }
+}
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff