//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Gordon Henriksen and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CollectorMetadata.h"
+#include "llvm/CodeGen/Collector.h"
+#include "llvm/CodeGen/Collectors.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/Pass.h"
+#include "llvm/CodeGen/Passes.h"
#include "llvm/Function.h"
#include "llvm/Support/Compiler.h"
namespace {
- class VISIBILITY_HIDDEN Printer : public MachineFunctionPass {
+ class VISIBILITY_HIDDEN Printer : public FunctionPass {
static char ID;
std::ostream &OS;
public:
- Printer(std::ostream &OS = *cerr);
+ explicit Printer(std::ostream &OS = *cerr);
const char *getPassName() const;
void getAnalysisUsage(AnalysisUsage &AU) const;
- bool runOnMachineFunction(MachineFunction &MF);
+ bool runOnFunction(Function &F);
};
- class VISIBILITY_HIDDEN Deleter : public MachineFunctionPass {
+ class VISIBILITY_HIDDEN Deleter : public FunctionPass {
static char ID;
public:
const char *getPassName() const;
void getAnalysisUsage(AnalysisUsage &AU) const;
- bool runOnMachineFunction(MachineFunction &MF);
+ bool runOnFunction(Function &F);
bool doFinalization(Module &M);
};
- RegisterPass<CollectorModuleMetadata>
- X("collector-metadata", "Create Garbage Collector Module Metadata");
-
}
+static RegisterPass<CollectorModuleMetadata>
+X("collector-metadata", "Create Garbage Collector Module Metadata");
+
// -----------------------------------------------------------------------------
-CollectorMetadata::CollectorMetadata(const Function &F)
- : F(F), FrameSize(~0LL) {}
+CollectorMetadata::CollectorMetadata(const Function &F, Collector &C)
+ : F(F), C(C), FrameSize(~0LL) {}
CollectorMetadata::~CollectorMetadata() {}
clear();
}
-CollectorMetadata& CollectorModuleMetadata::insert(const Function *F) {
- assert(Map.find(F) == Map.end() && "Function GC metadata already exists!");
- CollectorMetadata *FMD = new CollectorMetadata(*F);
- Functions.push_back(FMD);
- Map[F] = FMD;
- return *FMD;
+Collector *CollectorModuleMetadata::
+getOrCreateCollector(const Module *M, const std::string &Name) {
+ const char *Start = Name.c_str();
+
+ collector_map_type::iterator NMI = NameMap.find(Start, Start + Name.size());
+ if (NMI != NameMap.end())
+ return NMI->getValue();
+
+ for (CollectorRegistry::iterator I = CollectorRegistry::begin(),
+ E = CollectorRegistry::end(); I != E; ++I) {
+ if (strcmp(Start, I->getName()) == 0) {
+ Collector *C = I->instantiate();
+ C->M = M;
+ C->Name = Name;
+ NameMap.GetOrCreateValue(Start, Start + Name.size()).setValue(C);
+ Collectors.push_back(C);
+ return C;
+ }
+ }
+
+ cerr << "unsupported collector: " << Name << "\n";
+ abort();
}
-CollectorMetadata* CollectorModuleMetadata::get(const Function *F) const {
- map_type::iterator I = Map.find(F);
- if (I == Map.end())
- return 0;
- return I->second;
+CollectorMetadata &CollectorModuleMetadata::get(const Function &F) {
+ assert(F.hasCollector());
+ function_map_type::iterator I = Map.find(&F);
+ if (I != Map.end())
+ return *I->second;
+
+ Collector *C = getOrCreateCollector(F.getParent(), F.getCollector());
+ CollectorMetadata *MD = C->insertFunctionMetadata(F);
+ Map[&F] = MD;
+ return *MD;
}
void CollectorModuleMetadata::clear() {
+ Map.clear();
+
+ // TODO: StringMap should provide a clear method.
+ while (!NameMap.empty())
+ NameMap.erase(NameMap.begin());
+
for (iterator I = begin(), E = end(); I != E; ++I)
delete *I;
-
- Functions.clear();
- Map.clear();
+ Collectors.clear();
}
// -----------------------------------------------------------------------------
char Printer::ID = 0;
-Pass *llvm::createCollectorMetadataPrinter(std::ostream &OS) {
+FunctionPass *llvm::createCollectorMetadataPrinter(std::ostream &OS) {
return new Printer(OS);
}
Printer::Printer(std::ostream &OS)
- : MachineFunctionPass(intptr_t(&ID)), OS(OS) {}
+ : FunctionPass(intptr_t(&ID)), OS(OS) {}
const char *Printer::getPassName() const {
return "Print Garbage Collector Information";
}
void Printer::getAnalysisUsage(AnalysisUsage &AU) const {
- MachineFunctionPass::getAnalysisUsage(AU);
+ FunctionPass::getAnalysisUsage(AU);
AU.setPreservesAll();
AU.addRequired<CollectorModuleMetadata>();
}
}
}
-bool Printer::runOnMachineFunction(MachineFunction &MF) {
- if (CollectorMetadata *FD =
- getAnalysis<CollectorModuleMetadata>().get(MF.getFunction())) {
+bool Printer::runOnFunction(Function &F) {
+ if (F.hasCollector()) {
+ CollectorMetadata *FD = &getAnalysis<CollectorModuleMetadata>().get(F);
OS << "GC roots for " << FD->getFunction().getNameStart() << ":\n";
for (CollectorMetadata::roots_iterator RI = FD->roots_begin(),
char Deleter::ID = 0;
-Pass *llvm::createCollectorMetadataDeleter() {
+FunctionPass *llvm::createCollectorMetadataDeleter() {
return new Deleter();
}
-Deleter::Deleter() : MachineFunctionPass(intptr_t(&ID)) {}
+Deleter::Deleter() : FunctionPass(intptr_t(&ID)) {}
const char *Deleter::getPassName() const {
return "Delete Garbage Collector Information";
AU.addRequired<CollectorModuleMetadata>();
}
-bool Deleter::runOnMachineFunction(MachineFunction &MF) {
+bool Deleter::runOnFunction(Function &MF) {
return false;
}
bool Deleter::doFinalization(Module &M) {
- getAnalysis<CollectorModuleMetadata>().clear();
+ CollectorModuleMetadata *CMM = getAnalysisToUpdate<CollectorModuleMetadata>();
+ assert(CMM && "Deleter didn't require CollectorModuleMetadata?!");
+ CMM->clear();
return false;
}