FunctionPassManager_New *activeFunctionPassManager;
};
+/// PassManager_New manages ModulePassManagers
+class PassManager_New: public Pass {
+
+public:
+
+ /// add - Add a pass to the queue of passes to run. This passes ownership of
+ /// the Pass to the PassManager. When the PassManager is destroyed, the pass
+ /// will be destroyed as well, so there is no need to delete the pass. This
+ /// implies that all passes MUST be allocated with 'new'.
+ void add(Pass *P);
+
+ /// 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 run(Module &M);
+
+private:
+
+ /// Add a pass into a passmanager queue. This is used by schedulePasses
+ bool addPass(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();
+
+ // Collection of pass managers
+ std::vector<ModulePassManager_New *> PassManagers;
+
+ // Collection of pass that are not yet scheduled
+ std::vector<Pass *> PassVector;
+
+ // Active Pass Manager
+ ModulePassManager_New *activeManager;
+};
+
} // End llvm namespace
#endif
return Changed;
}
+/// Schedule all passes from the queue by adding them in their
+/// respective manager's queue.
+void
+PassManager_New::schedulePasses() {
+ /* TODO */
+}
+
+/// Add pass P to the queue of passes to run.
+void
+PassManager_New::add(Pass *P) {
+ /* TODO */
+}
+
+// PassManager_New implementation
+/// Add P into active pass manager or use new module pass manager to
+/// manage it.
+bool
+PassManager_New::addPass (Pass *P) {
+
+ if (!activeManager) {
+ activeManager = new ModulePassManager_New();
+ PassManagers.push_back(activeManager);
+ }
+
+ return activeManager->addPass(P);
+}
+
+/// 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
+PassManager_New::run(Module &M) {
+
+ schedulePasses();
+ bool Changed = false;
+ for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(),
+ e = PassManagers.end(); itr != e; ++itr) {
+ ModulePassManager_New *pm = *itr;
+ Changed |= pm->runOnModule(M);
+ }
+ return Changed;
+}