-//===- PassManager.h - Infrastructure for managing & running IR passes ----===//
+//===- PassManager.cpp - Infrastructure for managing & running IR passes --===//
//
// The LLVM Compiler Infrastructure
//
//===----------------------------------------------------------------------===//
#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(std::move(PassPA));
- }
-
- if (DebugPM)
- dbgs() << "Finished module pass manager run.\n";
-
- return PA;
-}
-
-ModuleAnalysisManager::ResultConceptT &
-ModuleAnalysisManager::getResultImpl(void *PassID, Module *M) {
- ModuleAnalysisResultMapT::iterator RI;
- bool Inserted;
- std::tie(RI, Inserted) = ModuleAnalysisResults.insert(std::make_pair(
- PassID, std::unique_ptr<detail::AnalysisResultConcept<Module *>>()));
-
- // 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;
-}
-
-ModuleAnalysisManager::ResultConceptT *
-ModuleAnalysisManager::getCachedResultImpl(void *PassID, Module *M) const {
- ModuleAnalysisResultMapT::const_iterator RI = ModuleAnalysisResults.find(PassID);
- return RI == ModuleAnalysisResults.end() ? 0 : &*RI->second;
-}
-
-void ModuleAnalysisManager::invalidateImpl(void *PassID, Module *M) {
- ModuleAnalysisResults.erase(PassID);
-}
-
-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(std::move(PassPA));
- }
-
- if (DebugPM)
- dbgs() << "Finished function pass manager run.\n";
-
- return PA;
-}
-
-bool FunctionAnalysisManager::empty() const {
- assert(FunctionAnalysisResults.empty() ==
- FunctionAnalysisResultLists.empty() &&
- "The storage and index of analysis results disagree on how many there "
- "are!");
- return FunctionAnalysisResults.empty();
-}
-
-void FunctionAnalysisManager::clear() {
- FunctionAnalysisResults.clear();
- FunctionAnalysisResultLists.clear();
-}
-
-FunctionAnalysisManager::ResultConceptT &
-FunctionAnalysisManager::getResultImpl(void *PassID, Function *F) {
- FunctionAnalysisResultMapT::iterator RI;
- bool Inserted;
- 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) {
- FunctionAnalysisResultListT &ResultList = FunctionAnalysisResultLists[F];
- 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() ? 0 : &*RI->second->second;
-}
-
-void FunctionAnalysisManager::invalidateImpl(void *PassID, Function *F) {
- FunctionAnalysisResultMapT::iterator RI =
- FunctionAnalysisResults.find(std::make_pair(PassID, F));
- if (RI == FunctionAnalysisResults.end())
- return;
-
- 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));
-}
-
char FunctionAnalysisManagerModuleProxy::PassID;
FunctionAnalysisManagerModuleProxy::Result
-FunctionAnalysisManagerModuleProxy::run(Module *M) {
- assert(FAM.empty() && "Function analyses ran prior to the module proxy!");
- return Result(FAM);
+FunctionAnalysisManagerModuleProxy::run(Module &M) {
+ 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) {
+ Module &M, const PreservedAnalyses &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();
+ FAM->clear();
// Return false to indicate that this result is still a valid proxy.
return false;
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