#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);
}
}
// 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
// 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(),
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
bool FunctionPassManager::run(Function &F) {
if (F.isMaterializable()) {
std::string errstr;
- if (F.Materialize(&errstr)) {
- llvm_report_error("Error reading bitcode file: " + errstr);
- }
+ if (F.Materialize(&errstr))
+ report_fatal_error("Error reading bitcode file: " + Twine(errstr));
}
return FPM->run(F);
}
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
// [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);