bool manageablePass(Pass *P);
/// Return true IFF AnalysisID AID is currently available.
- bool analysisCurrentlyAvailable(AnalysisID AID);
+ bool isAnalysisAvailable(AnalysisID AID) {
+ return (AvailableAnalysis.count(AID) != 0);
+ }
/// Augment RequiredAnalysis by adding analysis required by pass P.
void noteDownRequiredAnalysis(Pass *P);
void removeDeadPasses() { /* TODO : Implement */ }
/// Add pass P into the PassVector. Update RequiredAnalysis and
- /// AvailableAnalysis appropriately
- void addPassToManager (Pass *P);
+ /// AvailableAnalysis appropriately if ProcessAnalysis is true.
+ void addPassToManager (Pass *P, bool ProcessAnalysis = true);
inline std::vector<Pass *>::iterator passVectorBegin() {
return PassVector.begin();
/// whether any of the passes modifies the function, and if so, return true.
bool runOnFunction(Function &F);
+ /// Return true IFF AnalysisID AID is currently available.
+ bool analysisCurrentlyAvailable(AnalysisID AID);
+
private:
};
/// so, return true.
bool runOnModule(Module &M);
+ /// Return true IFF AnalysisID AID is currently available.
+ bool analysisCurrentlyAvailable(AnalysisID AID);
+
private:
// Active Pass Managers
BasicBlockPassManager_New *activeBBPassManager;
/// run - Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the module, and if so, return true.
bool runOnModule(Module &M);
+
+ /// Return true IFF AnalysisID AID is currently available.
+ bool analysisCurrentlyAvailable(AnalysisID AID);
private:
// Active Pass Manager
/// whether any of the passes modifies the module, and if so, return true.
bool run(Module &M);
+ /// Return true IFF AnalysisID AID is currently available.
+ bool analysisCurrentlyAvailable(AnalysisID AID);
+
private:
/// Add a pass into a passmanager queue. This is used by schedulePasses
bool addPass(Pass *p);
+ /// Schedule pass P for execution. Make sure that passes required by
+ /// P are run before P is run. Update analysis info maintained by
+ /// the manager. Remove dead passes. This is a recursive function.
+ void schedulePass(Pass *P);
+
/// Schedule all passes collected in pass queue using add(). Add all the
/// schedule passes into various manager's queue using addPass().
void schedulePasses();
return true;
}
-/// Return true IFF AnalysisID AID is currently available.
-bool CommonPassManagerImpl::analysisCurrentlyAvailable(AnalysisID AID) {
-
- // TODO
- return false;
-}
-
/// Augment RequiredAnalysis by adding analysis required by pass P.
void CommonPassManagerImpl::noteDownRequiredAnalysis(Pass *P) {
AnalysisUsage AnUsage;
}
/// Add pass P into the PassVector. Update RequiredAnalysis and
-/// AvailableAnalysis appropriately
-void CommonPassManagerImpl::addPassToManager (Pass *P) {
+/// AvailableAnalysis appropriately if ProcessAnalysis is true.
+void CommonPassManagerImpl::addPassToManager (Pass *P,
+ bool ProcessAnalysis) {
+
+ if (ProcessAnalysis) {
+ // Take a note of analysis required and made available by this pass
+ noteDownRequiredAnalysis(P);
+ noteDownAvailableAnalysis(P);
- // Take a note of analysis required and made available by this pass
- noteDownRequiredAnalysis(P);
- noteDownAvailableAnalysis(P);
+ // Remove the analysis not preserved by this pass
+ removeNotPreservedAnalysis(P);
+ }
// Add pass
PassVector.push_back(P);
-
- // Remove the analysis not preserved by this pass
- removeNotPreservedAnalysis(P);
}
/// BasicBlockPassManager implementation
return Changed;
}
+/// Return true IFF AnalysisID AID is currently available.
+bool BasicBlockPassManager_New::analysisCurrentlyAvailable(AnalysisID AID) {
+ return isAnalysisAvailable(AID);
+}
+
// FunctionPassManager_New implementation
/// Create new Function pass manager
FunctionPassManager_New::FunctionPassManager_New() {
|| !activeBBPassManager->addPass(BP)) {
activeBBPassManager = new BasicBlockPassManager_New();
- addPassToManager(activeBBPassManager);
+ addPassToManager(activeBBPassManager, false);
if (!activeBBPassManager->addPass(BP))
assert(0 && "Unable to add Pass");
}
return Changed;
}
+/// Return true IFF AnalysisID AID is currently available.
+bool FunctionPassManagerImpl_New::analysisCurrentlyAvailable(AnalysisID AID) {
+
+ if (isAnalysisAvailable(AID))
+ return true;
+
+ if (activeBBPassManager &&
+ activeBBPassManager->isAnalysisAvailable(AID))
+ return true;
+
+ // TODO : Check inactive managers
+ return false;
+}
// ModulePassManager implementation
|| !activeFunctionPassManager->addPass(P)) {
activeFunctionPassManager = new FunctionPassManagerImpl_New();
- addPassToManager(activeFunctionPassManager);
+ addPassToManager(activeFunctionPassManager, false);
if (!activeFunctionPassManager->addPass(FP))
assert(0 && "Unable to add pass");
}
return Changed;
}
+/// Return true IFF AnalysisID AID is currently available.
+bool ModulePassManager_New::analysisCurrentlyAvailable(AnalysisID AID) {
+
+ if (isAnalysisAvailable(AID))
+ return true;
+
+ if (activeFunctionPassManager &&
+ activeFunctionPassManager->isAnalysisAvailable(AID))
+ return true;
+
+ // TODO : Check inactive managers
+ return false;
+}
+
+/// Return true IFF AnalysisID AID is currently available.
+bool PassManagerImpl_New::analysisCurrentlyAvailable(AnalysisID AID) {
+
+ bool available = false;
+ for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(),
+ e = PassManagers.end(); !available && itr != e; ++itr)
+ available = (*itr)->analysisCurrentlyAvailable(AID);
+ return available;
+}
+
+/// Schedule pass P for execution. Make sure that passes required by
+/// P are run before P is run. Update analysis info maintained by
+/// the manager. Remove dead passes. This is a recursive function.
+void PassManagerImpl_New::schedulePass(Pass *P) {
+
+ AnalysisUsage AnUsage;
+ P->getAnalysisUsage(AnUsage);
+ const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet();
+ for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(),
+ E = RequiredSet.end(); I != E; ++I) {
+
+ if (!analysisCurrentlyAvailable(*I)) {
+ // Schedule this analysis run first.
+ Pass *AP = (*I)->createPass();
+ schedulePass(AP);
+ }
+ }
+
+ addPass(P);
+
+ // TODO : Walk through all managers and remove not preserved analysis
+ // TODO : remove dead passes
+}
+
/// Schedule all passes from the queue by adding them in their
/// respective manager's queue.
-void
-PassManagerImpl_New::schedulePasses() {
- /* TODO */
+void PassManagerImpl_New::schedulePasses() {
+ for (std::vector<Pass *>::iterator I = passVectorBegin(),
+ E = passVectorEnd(); I != E; ++I)
+ schedulePass (*I);
}
/// Add pass P to the queue of passes to run.
-void
-PassManagerImpl_New::add(Pass *P) {
- /* TODO */
+void PassManagerImpl_New::add(Pass *P) {
+ // Do not process Analysis now. Analysis is process while scheduling
+ // the pass vector.
+ addPassToManager(P, false);
}
// PassManager_New implementation
/// Add P into active pass manager or use new module pass manager to
/// manage it.
-bool
-PassManagerImpl_New::addPass(Pass *P) {
+bool PassManagerImpl_New::addPass(Pass *P) {
if (!activeManager || !activeManager->addPass(P)) {
activeManager = new ModulePassManager_New();
/// run - Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the module, and if so, return true.
-bool
-PassManagerImpl_New::run(Module &M) {
+bool PassManagerImpl_New::run(Module &M) {
schedulePasses();
bool Changed = false;
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