diff options
Diffstat (limited to 'llvm/lib/CodeGen/CollectorMetadata.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CollectorMetadata.cpp | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/llvm/lib/CodeGen/CollectorMetadata.cpp b/llvm/lib/CodeGen/CollectorMetadata.cpp deleted file mode 100644 index 5b8c7c79996..00000000000 --- a/llvm/lib/CodeGen/CollectorMetadata.cpp +++ /dev/null @@ -1,212 +0,0 @@ -//===-- CollectorMetadata.cpp - Garbage collector metadata ----------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the CollectorMetadata and CollectorModuleMetadata -// classes. -// -//===----------------------------------------------------------------------===// - -#include "llvm/CodeGen/CollectorMetadata.h" -#include "llvm/CodeGen/Collector.h" -#include "llvm/CodeGen/Collectors.h" -#include "llvm/CodeGen/MachineFrameInfo.h" -#include "llvm/Pass.h" -#include "llvm/CodeGen/Passes.h" -#include "llvm/Function.h" -#include "llvm/Support/Compiler.h" - -using namespace llvm; - -namespace { - - class VISIBILITY_HIDDEN Printer : public FunctionPass { - static char ID; - std::ostream &OS; - - public: - explicit Printer(std::ostream &OS = *cerr); - - const char *getPassName() const; - void getAnalysisUsage(AnalysisUsage &AU) const; - - bool runOnFunction(Function &F); - }; - - class VISIBILITY_HIDDEN Deleter : public FunctionPass { - static char ID; - - public: - Deleter(); - - const char *getPassName() const; - void getAnalysisUsage(AnalysisUsage &AU) const; - - bool runOnFunction(Function &F); - bool doFinalization(Module &M); - }; - -} - -static RegisterPass<CollectorModuleMetadata> -X("collector-metadata", "Create Garbage Collector Module Metadata"); - -// ----------------------------------------------------------------------------- - -CollectorMetadata::CollectorMetadata(const Function &F, Collector &C) - : F(F), C(C), FrameSize(~0LL) {} - -CollectorMetadata::~CollectorMetadata() {} - -// ----------------------------------------------------------------------------- - -char CollectorModuleMetadata::ID = 0; - -CollectorModuleMetadata::CollectorModuleMetadata() - : ImmutablePass((intptr_t)&ID) {} - -CollectorModuleMetadata::~CollectorModuleMetadata() { - clear(); -} - -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) { - 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(); - NameMap.clear(); - - for (iterator I = begin(), E = end(); I != E; ++I) - delete *I; - Collectors.clear(); -} - -// ----------------------------------------------------------------------------- - -char Printer::ID = 0; - -FunctionPass *llvm::createCollectorMetadataPrinter(std::ostream &OS) { - return new Printer(OS); -} - -Printer::Printer(std::ostream &OS) - : FunctionPass(intptr_t(&ID)), OS(OS) {} - -const char *Printer::getPassName() const { - return "Print Garbage Collector Information"; -} - -void Printer::getAnalysisUsage(AnalysisUsage &AU) const { - FunctionPass::getAnalysisUsage(AU); - AU.setPreservesAll(); - AU.addRequired<CollectorModuleMetadata>(); -} - -static const char *DescKind(GC::PointKind Kind) { - switch (Kind) { - default: assert(0 && "Unknown GC point kind"); - case GC::Loop: return "loop"; - case GC::Return: return "return"; - case GC::PreCall: return "pre-call"; - case GC::PostCall: return "post-call"; - } -} - -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(), - RE = FD->roots_end(); - RI != RE; ++RI) - OS << "\t" << RI->Num << "\t" << RI->StackOffset << "[sp]\n"; - - OS << "GC safe points for " << FD->getFunction().getNameStart() << ":\n"; - for (CollectorMetadata::iterator PI = FD->begin(), - PE = FD->end(); PI != PE; ++PI) { - - OS << "\tlabel " << PI->Num << ": " << DescKind(PI->Kind) << ", live = {"; - - for (CollectorMetadata::live_iterator RI = FD->live_begin(PI), - RE = FD->live_end(PI);;) { - OS << " " << RI->Num; - if (++RI == RE) - break; - OS << ","; - } - - OS << " }\n"; - } - } - - return false; -} - -// ----------------------------------------------------------------------------- - -char Deleter::ID = 0; - -FunctionPass *llvm::createCollectorMetadataDeleter() { - return new Deleter(); -} - -Deleter::Deleter() : FunctionPass(intptr_t(&ID)) {} - -const char *Deleter::getPassName() const { - return "Delete Garbage Collector Information"; -} - -void Deleter::getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesAll(); - AU.addRequired<CollectorModuleMetadata>(); -} - -bool Deleter::runOnFunction(Function &MF) { - return false; -} - -bool Deleter::doFinalization(Module &M) { - CollectorModuleMetadata *CMM = getAnalysisToUpdate<CollectorModuleMetadata>(); - assert(CMM && "Deleter didn't require CollectorModuleMetadata?!"); - CMM->clear(); - return false; -} |
