X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FIR%2FPassManager.cpp;h=2e2a7cb4956c05a6fc2cc9ab73fd709ce1983311;hb=24623bab81ae6dde6d58fdd041d73c67f8dd98cf;hp=f2d0cd99e61930c5fe9db759b4819f5194e293fe;hpb=3f081983cc79cdb16a83ac01e2ea04697bd8b892;p=oota-llvm.git diff --git a/lib/IR/PassManager.cpp b/lib/IR/PassManager.cpp index f2d0cd99e61..2e2a7cb4956 100644 --- a/lib/IR/PassManager.cpp +++ b/lib/IR/PassManager.cpp @@ -1,4 +1,4 @@ -//===- PassManager.h - Infrastructure for managing & running IR passes ----===// +//===- PassManager.cpp - Infrastructure for managing & running IR passes --===// // // The LLVM Compiler Infrastructure // @@ -7,84 +7,102 @@ // //===----------------------------------------------------------------------===// -#include "llvm/IR/PassManager.h" #include "llvm/ADT/STLExtras.h" +#include "llvm/IR/LLVMContext.h" +#include "llvm/IR/PassManager.h" +#include "llvm/Support/CommandLine.h" +#include "llvm/Support/Debug.h" using namespace llvm; +static cl::opt +DebugPM("debug-pass-manager", cl::Hidden, + cl::desc("Print pass management debugging information")); + PreservedAnalyses ModulePassManager::run(Module *M, ModuleAnalysisManager *AM) { PreservedAnalyses PA = PreservedAnalyses::all(); + + if (DebugPM) + dbgs() << "Starting module pass manager run.\n"; + for (unsigned Idx = 0, Size = Passes.size(); Idx != Size; ++Idx) { + if (DebugPM) + dbgs() << "Running module pass: " << Passes[Idx]->name() << "\n"; + PreservedAnalyses PassPA = Passes[Idx]->run(M, AM); if (AM) AM->invalidate(M, PassPA); - PA.intersect(llvm_move(PassPA)); + PA.intersect(std::move(PassPA)); + + M->getContext().yield(); } - return PA; -} -void ModuleAnalysisManager::invalidate(Module *M, const PreservedAnalyses &PA) { - // FIXME: This is a total hack based on the fact that erasure doesn't - // invalidate iteration for DenseMap. - for (ModuleAnalysisResultMapT::iterator I = ModuleAnalysisResults.begin(), - E = ModuleAnalysisResults.end(); - I != E; ++I) - if (I->second->invalidate(M, PA)) - ModuleAnalysisResults.erase(I); + if (DebugPM) + dbgs() << "Finished module pass manager run.\n"; + + return PA; } -const detail::AnalysisResultConcept & +ModuleAnalysisManager::ResultConceptT & ModuleAnalysisManager::getResultImpl(void *PassID, Module *M) { ModuleAnalysisResultMapT::iterator RI; bool Inserted; - llvm::tie(RI, Inserted) = ModuleAnalysisResults.insert(std::make_pair( - PassID, polymorphic_ptr >())); + std::tie(RI, Inserted) = ModuleAnalysisResults.insert(std::make_pair( + PassID, std::unique_ptr>())); - if (Inserted) { - // We don't have a cached result for this result. Look up the pass and run - // it to produce a result, which we then add to the cache. - ModuleAnalysisPassMapT::const_iterator PI = - ModuleAnalysisPasses.find(PassID); - assert(PI != ModuleAnalysisPasses.end() && - "Analysis passes must be registered prior to being queried!"); - RI->second = PI->second->run(M); - } + // If we don't have a cached result for this module, look up the pass and run + // it to produce a result, which we then add to the cache. + if (Inserted) + RI->second = lookupPass(PassID).run(M, this); return *RI->second; } +ModuleAnalysisManager::ResultConceptT * +ModuleAnalysisManager::getCachedResultImpl(void *PassID, Module *M) const { + ModuleAnalysisResultMapT::const_iterator RI = + ModuleAnalysisResults.find(PassID); + return RI == ModuleAnalysisResults.end() ? nullptr : &*RI->second; +} + void ModuleAnalysisManager::invalidateImpl(void *PassID, Module *M) { ModuleAnalysisResults.erase(PassID); } -PreservedAnalyses FunctionPassManager::run(Function *F, FunctionAnalysisManager *AM) { +void ModuleAnalysisManager::invalidateImpl(Module *M, + const PreservedAnalyses &PA) { + // FIXME: This is a total hack based on the fact that erasure doesn't + // invalidate iteration for DenseMap. + for (ModuleAnalysisResultMapT::iterator I = ModuleAnalysisResults.begin(), + E = ModuleAnalysisResults.end(); + I != E; ++I) + if (I->second->invalidate(M, PA)) + ModuleAnalysisResults.erase(I); +} + +PreservedAnalyses FunctionPassManager::run(Function *F, + FunctionAnalysisManager *AM) { PreservedAnalyses PA = PreservedAnalyses::all(); + + if (DebugPM) + dbgs() << "Starting function pass manager run.\n"; + for (unsigned Idx = 0, Size = Passes.size(); Idx != Size; ++Idx) { + if (DebugPM) + dbgs() << "Running function pass: " << Passes[Idx]->name() << "\n"; + PreservedAnalyses PassPA = Passes[Idx]->run(F, AM); if (AM) AM->invalidate(F, PassPA); - PA.intersect(llvm_move(PassPA)); + PA.intersect(std::move(PassPA)); + + F->getContext().yield(); } - return PA; -} -void FunctionAnalysisManager::invalidate(Function *F, const PreservedAnalyses &PA) { - // Clear all the invalidated results associated specifically with this - // function. - SmallVector InvalidatedPassIDs; - FunctionAnalysisResultListT &ResultsList = FunctionAnalysisResultLists[F]; - for (FunctionAnalysisResultListT::iterator I = ResultsList.begin(), - E = ResultsList.end(); - I != E;) - if (I->second->invalidate(F, PA)) { - InvalidatedPassIDs.push_back(I->first); - I = ResultsList.erase(I); - } else { - ++I; - } - while (!InvalidatedPassIDs.empty()) - FunctionAnalysisResults.erase( - std::make_pair(InvalidatedPassIDs.pop_back_val(), F)); + if (DebugPM) + dbgs() << "Finished function pass manager run.\n"; + + return PA; } bool FunctionAnalysisManager::empty() const { @@ -100,28 +118,31 @@ void FunctionAnalysisManager::clear() { FunctionAnalysisResultLists.clear(); } -const detail::AnalysisResultConcept & +FunctionAnalysisManager::ResultConceptT & FunctionAnalysisManager::getResultImpl(void *PassID, Function *F) { FunctionAnalysisResultMapT::iterator RI; bool Inserted; - llvm::tie(RI, Inserted) = FunctionAnalysisResults.insert(std::make_pair( + std::tie(RI, Inserted) = FunctionAnalysisResults.insert(std::make_pair( std::make_pair(PassID, F), FunctionAnalysisResultListT::iterator())); + // If we don't have a cached result for this function, look up the pass and + // run it to produce a result, which we then add to the cache. if (Inserted) { - // We don't have a cached result for this result. Look up the pass and run - // it to produce a result, which we then add to the cache. - FunctionAnalysisPassMapT::const_iterator PI = - FunctionAnalysisPasses.find(PassID); - assert(PI != FunctionAnalysisPasses.end() && - "Analysis passes must be registered prior to being queried!"); FunctionAnalysisResultListT &ResultList = FunctionAnalysisResultLists[F]; - ResultList.push_back(std::make_pair(PassID, PI->second->run(F))); - RI->second = llvm::prior(ResultList.end()); + ResultList.emplace_back(PassID, lookupPass(PassID).run(F, this)); + RI->second = std::prev(ResultList.end()); } return *RI->second->second; } +FunctionAnalysisManager::ResultConceptT * +FunctionAnalysisManager::getCachedResultImpl(void *PassID, Function *F) const { + FunctionAnalysisResultMapT::const_iterator RI = + FunctionAnalysisResults.find(std::make_pair(PassID, F)); + return RI == FunctionAnalysisResults.end() ? nullptr : &*RI->second->second; +} + void FunctionAnalysisManager::invalidateImpl(void *PassID, Function *F) { FunctionAnalysisResultMapT::iterator RI = FunctionAnalysisResults.find(std::make_pair(PassID, F)); @@ -131,35 +152,53 @@ void FunctionAnalysisManager::invalidateImpl(void *PassID, Function *F) { FunctionAnalysisResultLists[F].erase(RI->second); } +void FunctionAnalysisManager::invalidateImpl(Function *F, + const PreservedAnalyses &PA) { + // Clear all the invalidated results associated specifically with this + // function. + SmallVector InvalidatedPassIDs; + FunctionAnalysisResultListT &ResultsList = FunctionAnalysisResultLists[F]; + for (FunctionAnalysisResultListT::iterator I = ResultsList.begin(), + E = ResultsList.end(); + I != E;) + if (I->second->invalidate(F, PA)) { + InvalidatedPassIDs.push_back(I->first); + I = ResultsList.erase(I); + } else { + ++I; + } + while (!InvalidatedPassIDs.empty()) + FunctionAnalysisResults.erase( + std::make_pair(InvalidatedPassIDs.pop_back_val(), F)); + if (ResultsList.empty()) + FunctionAnalysisResultLists.erase(F); +} + char FunctionAnalysisManagerModuleProxy::PassID; FunctionAnalysisManagerModuleProxy::Result FunctionAnalysisManagerModuleProxy::run(Module *M) { - assert(FAM.empty() && "Function analyses ran prior to the module proxy!"); - return Result(FAM); + assert(FAM->empty() && "Function analyses ran prior to the module proxy!"); + return Result(*FAM); } FunctionAnalysisManagerModuleProxy::Result::~Result() { // Clear out the analysis manager if we're being destroyed -- it means we // didn't even see an invalidate call when we got invalidated. - FAM.clear(); + FAM->clear(); } bool FunctionAnalysisManagerModuleProxy::Result::invalidate( Module *M, const PreservedAnalyses &PA) { - // If this proxy isn't marked as preserved, then it is has an invalid set of - // Function objects in the cache making it impossible to incrementally - // preserve them. Just clear the entire manager. - if (!PA.preserved(ID())) { - FAM.clear(); - return false; - } - - // The set of functions was preserved some how, so just directly invalidate - // any analysis results not preserved. - for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) - FAM.invalidate(I, PA); + // If this proxy isn't marked as preserved, then we can't even invalidate + // individual function analyses, there may be an invalid set of Function + // objects in the cache making it impossible to incrementally preserve them. + // Just clear the entire manager. + if (!PA.preserved(ID())) + FAM->clear(); // Return false to indicate that this result is still a valid proxy. return false; } + +char ModuleAnalysisManagerFunctionProxy::PassID;