#include <deque>
#include <map>
#include <iosfwd>
-#include <typeinfo>
#include <cassert>
namespace llvm {
class AnalysisUsage;
class PassInfo;
class ImmutablePass;
-template<class Trait> class PassManagerT;
class BasicBlockPassManager;
-class FunctionPassManagerT;
class ModulePassManager;
class PMStack;
class AnalysisResolver;
PMT_CallGraphPassManager, /// CGPassManager
PMT_FunctionPassManager, /// FPPassManager
PMT_LoopPassManager, /// LPPassManager
- PMT_BasicBlockPassManager /// BBPassManager
+ PMT_BasicBlockPassManager, /// BBPassManager
+ PMT_Last
};
typedef enum PassManagerType PassManagerType;
///
class Pass {
AnalysisResolver *Resolver; // Used to resolve analysis
- const PassInfo *PassInfoCache;
+ intptr_t PassID;
// AnalysisImpls - This keeps track of which passes implement the interfaces
// that are required by the current pass (to implement getAnalysis()).
void operator=(const Pass&); // DO NOT IMPLEMENT
Pass(const Pass &); // DO NOT IMPLEMENT
public:
- Pass() : Resolver(0), PassInfoCache(0) {}
- virtual ~Pass() {} // Destructor is virtual so we can be subclassed
+ Pass(intptr_t pid) : Resolver(0), PassID(pid) {}
+ virtual ~Pass();
/// getPassName - Return a nice clean name for a pass. This usually
/// implemented in terms of the name that is registered by one of the
void print(std::ostream *O, const Module *M) const { if (O) print(*O, M); }
void dump() const; // dump - call print(std::cerr, 0);
+ /// Each pass is responsible for assigning a pass manager to itself.
+ /// PMS is the stack of available pass manager.
virtual void assignPassManager(PMStack &PMS,
- PassManagerType T = PMT_Unknown) {}
+ PassManagerType T = PMT_Unknown) {}
+ /// Check if available pass managers are suitable for this pass or not.
+ virtual void preparePassManager(PMStack &PMS) {}
+
+ /// Return what kind of Pass Manager can manage this pass.
+ virtual PassManagerType getPotentialPassManagerType() const {
+ return PMT_Unknown;
+ }
+
// Access AnalysisResolver
inline void setResolver(AnalysisResolver *AR) { Resolver = AR; }
inline AnalysisResolver *getResolver() { return Resolver; }
template<typename AnalysisClass>
static const PassInfo *getClassPassInfo() {
- return lookupPassInfo(typeid(AnalysisClass));
+ return lookupPassInfo((intptr_t)&AnalysisClass::ID);
}
// lookupPassInfo - Return the pass info object for the specified pass class,
// or null if it is not known.
- static const PassInfo *lookupPassInfo(const std::type_info &TI);
+ static const PassInfo *lookupPassInfo(intptr_t TI);
/// getAnalysisToUpdate<AnalysisType>() - This function is used by subclasses
/// to get to the analysis information that might be around that needs to be
template<typename AnalysisType>
AnalysisType &getAnalysis() const; // Defined in PassAnalysisSupport.h
+ template<typename AnalysisType>
+ AnalysisType &getAnalysis(Function &F); // Defined in PassanalysisSupport.h
+
template<typename AnalysisType>
AnalysisType &getAnalysisID(const PassInfo *PI) const;
-
-private:
- template<typename Trait> friend class PassManagerT;
- friend class ModulePassManager;
- friend class FunctionPassManagerT;
- friend class BasicBlockPassManager;
+
+ template<typename AnalysisType>
+ AnalysisType &getAnalysisID(const PassInfo *PI, Function &F);
};
inline std::ostream &operator<<(std::ostream &OS, const Pass &P) {
virtual bool runPass(BasicBlock&) { return false; }
virtual void assignPassManager(PMStack &PMS,
- PassManagerType T = PMT_ModulePassManager);
+ PassManagerType T = PMT_ModulePassManager);
+
+ /// Return what kind of Pass Manager can manage this pass.
+ virtual PassManagerType getPotentialPassManagerType() const {
+ return PMT_ModulePassManager;
+ }
+
+ ModulePass(intptr_t pid) : Pass(pid) {}
// Force out-of-line virtual method.
virtual ~ModulePass();
};
///
virtual bool runOnModule(Module &M) { return false; }
+ ImmutablePass(intptr_t pid) : ModulePass(pid) {}
// Force out-of-line virtual method.
virtual ~ImmutablePass();
};
/// 2. Optimizing a function does not cause the addition or removal of any
/// functions in the module
///
-class FunctionPass : public ModulePass {
+class FunctionPass : public Pass {
public:
+ FunctionPass(intptr_t pid) : Pass(pid) {}
+
/// doInitialization - Virtual method overridden by subclasses to do
/// any necessary per-module initialization.
///
bool run(Function &F);
virtual void assignPassManager(PMStack &PMS,
- PassManagerType T = PMT_FunctionPassManager);
+ PassManagerType T = PMT_FunctionPassManager);
+
+ /// Return what kind of Pass Manager can manage this pass.
+ virtual PassManagerType getPotentialPassManagerType() const {
+ return PMT_FunctionPassManager;
+ }
};
/// other basic block in the function.
/// 3. Optimizations conform to all of the constraints of FunctionPasses.
///
-class BasicBlockPass : public FunctionPass {
+class BasicBlockPass : public Pass {
public:
+ BasicBlockPass(intptr_t pid) : Pass(pid) {}
+
/// doInitialization - Virtual method overridden by subclasses to do
/// any necessary per-module initialization.
///
virtual bool runPass(BasicBlock &BB);
virtual void assignPassManager(PMStack &PMS,
- PassManagerType T = PMT_BasicBlockPassManager);
+ PassManagerType T = PMT_BasicBlockPassManager);
+
+ /// Return what kind of Pass Manager can manage this pass.
+ virtual PassManagerType getPotentialPassManagerType() const {
+ return PMT_BasicBlockPassManager;
+ }
};
/// PMStack
projects / oota-llvm.git / blobdiff