#include "llvm/PassManagers.h"
+#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Module.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/PassNameParser.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Mutex.h"
#include "llvm/System/Threading.h"
clEnumVal(Executions, "print pass name before it is executed"),
clEnumVal(Details , "print pass details when it is executed"),
clEnumValEnd));
+
+typedef llvm::cl::list<const llvm::PassInfo *, bool, PassNameParser>
+PassOptionList;
+
+// Print IR out before/after specified passes.
+static PassOptionList
+PrintBefore("print-before",
+ llvm::cl::desc("Print IR before specified passes"));
+
+static PassOptionList
+PrintAfter("print-after",
+ llvm::cl::desc("Print IR after specified passes"));
+
+static cl::opt<bool>
+PrintBeforeAll("print-before-all",
+ llvm::cl::desc("Print IR before each pass"),
+ cl::init(false));
+static cl::opt<bool>
+PrintAfterAll("print-after-all",
+ llvm::cl::desc("Print IR after each pass"),
+ cl::init(false));
+
+/// This is a helper to determine whether to print IR before or
+/// after a pass.
+
+static bool ShouldPrintBeforeOrAfterPass(Pass *P,
+ PassOptionList &PassesToPrint) {
+ for (unsigned i = 0, ie = PassesToPrint.size(); i < ie; ++i) {
+ const llvm::PassInfo *PassInf = PassesToPrint[i];
+ if (PassInf && P->getPassInfo())
+ if (PassInf->getPassArgument() ==
+ P->getPassInfo()->getPassArgument()) {
+ return true;
+ }
+ }
+ return false;
+}
+
+
+/// This is a utility to check whether a pass should have IR dumped
+/// before it.
+static bool ShouldPrintBeforePass(Pass *P) {
+ return PrintBeforeAll || ShouldPrintBeforeOrAfterPass(P, PrintBefore);
+}
+
+/// This is a utility to check whether a pass should have IR dumped
+/// after it.
+static bool ShouldPrintAfterPass(Pass *P) {
+ return PrintAfterAll || ShouldPrintBeforeOrAfterPass(P, PrintAfter);
+}
+
} // End of llvm namespace
/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions
schedulePass(P);
}
+ /// createPrinterPass - Get a function printer pass.
+ Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+ return createPrintFunctionPass(Banner, &O);
+ }
+
// Prepare for running an on the fly pass, freeing memory if needed
// from a previous run.
void releaseMemoryOnTheFly();
addImmutablePass(IP);
recordAvailableAnalysis(IP);
} else {
- P->assignPassManager(activeStack);
+ P->assignPassManager(activeStack, PMT_FunctionPassManager);
}
}
}
}
+ /// createPrinterPass - Get a module printer pass.
+ Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+ return createPrintModulePass(&O, false, Banner);
+ }
+
/// run - Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the module, and if so, return true.
bool runOnModule(Module &M);
schedulePass(P);
}
+ /// createPrinterPass - Get a module printer pass.
+ Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+ return createPrintModulePass(&O, false, Banner);
+ }
+
/// run - Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the module, and if so, return true.
bool run(Module &M);
addImmutablePass(IP);
recordAvailableAnalysis(IP);
} else {
- P->assignPassManager(activeStack);
+ P->assignPassManager(activeStack, PMT_ModulePassManager);
}
}
static ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex;
class TimingInfo {
- std::map<Pass*, Timer> TimingData;
+ DenseMap<Pass*, Timer*> TimingData;
TimerGroup TG;
-
public:
// Use 'create' member to get this.
TimingInfo() : TG("... Pass execution timing report ...") {}
// TimingDtor - Print out information about timing information
~TimingInfo() {
- // Delete all of the timers...
- TimingData.clear();
+ // Delete all of the timers, which accumulate their info into the
+ // TimerGroup.
+ for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(),
+ E = TimingData.end(); I != E; ++I)
+ delete I->second;
// TimerGroup is deleted next, printing the report.
}
// null. It may be called multiple times.
static void createTheTimeInfo();
- /// passStarted - This method creates a timer for the given pass if it doesn't
- /// already have one, and starts the timer.
- Timer *passStarted(Pass *P) {
+ /// getPassTimer - Return the timer for the specified pass if it exists.
+ Timer *getPassTimer(Pass *P) {
if (P->getAsPMDataManager())
return 0;
sys::SmartScopedLock<true> Lock(*TimingInfoMutex);
- std::map<Pass*, Timer>::iterator I = TimingData.find(P);
- if (I == TimingData.end())
- I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first;
- Timer *T = &I->second;
- T->startTimer();
+ Timer *&T = TimingData[P];
+ if (T == 0)
+ T = new Timer(P->getPassName(), TG);
return T;
}
};
// If Pass not found then check the interfaces implemented by Immutable Pass
if (!P) {
- const std::vector<const PassInfo*> &ImmPI =
- PI->getInterfacesImplemented();
- if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end())
- P = *I;
+ const PassInfo::InterfaceInfo *ImmPI = PI->getInterfacesImplemented();
+ while (ImmPI) {
+ if (ImmPI->interface == AID) {
+ P = *I;
+ break;
+ } else
+ ImmPI = ImmPI->next;
+ }
}
}
//This pass is the current implementation of all of the interfaces it
//implements as well.
- const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
- for (unsigned i = 0, e = II.size(); i != e; ++i)
- AvailableAnalysis[II[i]] = P;
+ const PassInfo::InterfaceInfo *II = PI->getInterfacesImplemented();
+ while (II) {
+ AvailableAnalysis[II->interface] = P;
+ II = II->next;
+ }
}
// Return true if P preserves high level analysis used by other
E = PreservedSet.end(); I != E; ++I) {
AnalysisID AID = *I;
if (Pass *AP = findAnalysisPass(AID, true)) {
-
- Timer *T = 0;
- if (TheTimeInfo) T = TheTimeInfo->passStarted(AP);
+ TimeRegion PassTimer(getPassTimer(AP));
AP->verifyAnalysis();
- if (T) T->stopTimer();
}
}
}
{
// If the pass crashes releasing memory, remember this.
PassManagerPrettyStackEntry X(P);
-
- Timer *T = StartPassTimer(P);
+ TimeRegion PassTimer(getPassTimer(P));
+
P->releaseMemory();
- StopPassTimer(P, T);
}
if (const PassInfo *PI = P->getPassInfo()) {
// Remove all interfaces this pass implements, for which it is also
// listed as the available implementation.
- const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
- for (unsigned i = 0, e = II.size(); i != e; ++i) {
+ const PassInfo::InterfaceInfo *II = PI->getInterfacesImplemented();
+ while (II) {
std::map<AnalysisID, Pass*>::iterator Pos =
- AvailableAnalysis.find(II[i]);
+ AvailableAnalysis.find(II->interface);
if (Pos != AvailableAnalysis.end() && Pos->second == P)
AvailableAnalysis.erase(Pos);
+ II = II->next;
}
}
}
llvm_unreachable("Unable to schedule pass");
}
+Pass *PMDataManager::getOnTheFlyPass(Pass *P, const PassInfo *PI, Function &F) {
+ assert(0 && "Unable to find on the fly pass");
+ return NULL;
+}
+
// Destructor
PMDataManager::~PMDataManager() {
for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(),
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I)
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
BasicBlockPass *BP = getContainedPass(Index);
+ bool LocalChanged = false;
dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName());
dumpRequiredSet(BP);
{
// If the pass crashes, remember this.
PassManagerPrettyStackEntry X(BP, *I);
-
- Timer *T = StartPassTimer(BP);
- Changed |= BP->runOnBasicBlock(*I);
- StopPassTimer(BP, T);
+ TimeRegion PassTimer(getPassTimer(BP));
+
+ LocalChanged |= BP->runOnBasicBlock(*I);
}
- if (Changed)
+ Changed |= LocalChanged;
+ if (LocalChanged)
dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG,
I->getName());
dumpPreservedSet(BP);
delete FPM;
}
+/// addImpl - Add a pass to the queue of passes to run, without
+/// checking whether to add a printer pass.
+void FunctionPassManager::addImpl(Pass *P) {
+ FPM->add(P);
+}
+
/// add - Add a pass to the queue of passes to run. This passes
/// ownership of the Pass to the PassManager. When the
/// PassManager_X is destroyed, the pass will be destroyed as well, so
/// there is no need to delete the pass. (TODO delete passes.)
/// This implies that all passes MUST be allocated with 'new'.
void FunctionPassManager::add(Pass *P) {
- FPM->add(P);
+ // If this is a not a function pass, don't add a printer for it.
+ if (P->getPassKind() == PT_Function)
+ if (ShouldPrintBeforePass(P))
+ addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ")
+ + P->getPassName() + " ***"));
+
+ addImpl(P);
+
+ if (P->getPassKind() == PT_Function)
+ if (ShouldPrintAfterPass(P))
+ addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ")
+ + P->getPassName() + " ***"));
}
/// run - Execute all of the passes scheduled for execution. Keep
/// so, return true.
///
bool FunctionPassManager::run(Function &F) {
- std::string errstr;
- if (F.Materialize(&errstr)) {
- llvm_report_error("Error reading bitcode file: " + errstr);
+ if (F.isMaterializable()) {
+ std::string errstr;
+ if (F.Materialize(&errstr))
+ report_fatal_error("Error reading bitcode file: " + Twine(errstr));
}
return FPM->run(F);
}
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
FunctionPass *FP = getContainedPass(Index);
+ bool LocalChanged = false;
dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName());
dumpRequiredSet(FP);
{
PassManagerPrettyStackEntry X(FP, F);
+ TimeRegion PassTimer(getPassTimer(FP));
- Timer *T = StartPassTimer(FP);
- Changed |= FP->runOnFunction(F);
- StopPassTimer(FP, T);
+ LocalChanged |= FP->runOnFunction(F);
}
- if (Changed)
+ Changed |= LocalChanged;
+ if (LocalChanged)
dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName());
dumpPreservedSet(FP);
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
ModulePass *MP = getContainedPass(Index);
+ bool LocalChanged = false;
dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier());
dumpRequiredSet(MP);
{
PassManagerPrettyStackEntry X(MP, M);
- Timer *T = StartPassTimer(MP);
- Changed |= MP->runOnModule(M);
- StopPassTimer(MP, T);
+ TimeRegion PassTimer(getPassTimer(MP));
+
+ LocalChanged |= MP->runOnModule(M);
}
- if (Changed)
+ Changed |= LocalChanged;
+ if (LocalChanged)
dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG,
M.getModuleIdentifier());
dumpPreservedSet(MP);
delete PM;
}
+/// addImpl - Add a pass to the queue of passes to run, without
+/// checking whether to add a printer pass.
+void PassManager::addImpl(Pass *P) {
+ PM->add(P);
+}
+
/// add - Add a pass to the queue of passes to run. This passes ownership of
/// the Pass to the PassManager. When the PassManager is destroyed, the pass
/// will be destroyed as well, so there is no need to delete the pass. This
/// implies that all passes MUST be allocated with 'new'.
void PassManager::add(Pass *P) {
- PM->add(P);
+ if (ShouldPrintBeforePass(P))
+ addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ")
+ + P->getPassName() + " ***"));
+
+ addImpl(P);
+
+ if (ShouldPrintAfterPass(P))
+ addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ")
+ + P->getPassName() + " ***"));
}
/// run - Execute all of the passes scheduled for execution. Keep track of
}
/// If TimingInfo is enabled then start pass timer.
-Timer *llvm::StartPassTimer(Pass *P) {
+Timer *llvm::getPassTimer(Pass *P) {
if (TheTimeInfo)
- return TheTimeInfo->passStarted(P);
+ return TheTimeInfo->getPassTimer(P);
return 0;
}
-/// If TimingInfo is enabled then stop pass timer.
-void llvm::StopPassTimer(Pass *P, Timer *T) {
- if (T) T->stopTimer();
-}
-
//===----------------------------------------------------------------------===//
// PMStack implementation
//
// [3] Assign manager to manage this new manager. This may create
// and push new managers into PMS
- BBP->assignPassManager(PMS);
+ BBP->assignPassManager(PMS, PreferredType);
// [4] Push new manager into PMS
PMS.push(BBP);
return wrap(new PassManager());
}
+LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M) {
+ return wrap(new FunctionPassManager(unwrap(M)));
+}
+
LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) {
- return wrap(new FunctionPassManager(unwrap(P)));
+ return LLVMCreateFunctionPassManagerForModule(
+ reinterpret_cast<LLVMModuleRef>(P));
}
LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) {
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