-//===- PassManager.h - Infrastructure for managing & running IR passes ----===//
+//===- PassManager.cpp - Infrastructure for managing & running IR passes --===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#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<bool>
+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<Module *> &
+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<detail::AnalysisResultConcept<Module *> >()));
+ std::tie(RI, Inserted) = ModuleAnalysisResults.insert(std::make_pair(
+ PassID, std::unique_ptr<detail::AnalysisResultConcept<Module *>>()));
- 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, this);
- }
+ // 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 = std::move(lookupPass(PassID).run(M, this));
return *RI->second;
}
-const detail::AnalysisResultConcept<Module *> *
+ModuleAnalysisManager::ResultConceptT *
ModuleAnalysisManager::getCachedResultImpl(void *PassID, Module *M) const {
- ModuleAnalysisResultMapT::const_iterator RI = ModuleAnalysisResults.find(PassID);
- return RI == ModuleAnalysisResults.end() ? 0 : &*RI->second;
+ 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<void *, 8> 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 {
FunctionAnalysisResultLists.clear();
}
-const detail::AnalysisResultConcept<Function *> &
+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, this)));
- 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;
}
-const detail::AnalysisResultConcept<Function *> *
+FunctionAnalysisManager::ResultConceptT *
FunctionAnalysisManager::getCachedResultImpl(void *PassID, Function *F) const {
FunctionAnalysisResultMapT::const_iterator RI =
FunctionAnalysisResults.find(std::make_pair(PassID, F));
- return RI == FunctionAnalysisResults.end() ? 0 : &*RI->second->second;
+ return RI == FunctionAnalysisResults.end() ? nullptr : &*RI->second->second;
}
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<void *, 8> 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(
// objects in the cache making it impossible to incrementally preserve them.
// Just clear the entire manager.
if (!PA.preserved(ID()))
- FAM.clear();
+ FAM->clear();
// Return false to indicate that this result is still a valid proxy.
return false;