class PassInfo {
const char *PassName; // Nice name for Pass
const char *PassArgument; // Command Line argument to run this pass
- const std::type_info &TypeInfo; // type_info object for this Pass class
+ intptr_t PassID;
+ bool IsCFGOnlyPass; // Pass only looks at the CFG.
bool IsAnalysisGroup; // True if an analysis group.
std::vector<const PassInfo*> ItfImpl;// Interfaces implemented by this pass
- Pass *(*NormalCtor)(); // No argument ctor
- Pass *(*TargetCtor)(TargetMachine&); // Ctor taking TargetMachine object...
+ Pass *(*NormalCtor)();
public:
/// PassInfo ctor - Do not call this directly, this should only be invoked
/// through RegisterPass.
- PassInfo(const char *name, const char *arg, const std::type_info &ti,
- Pass *(*normal)() = 0, Pass *(*targetctor)(TargetMachine &) = 0)
- : PassName(name), PassArgument(arg), TypeInfo(ti), IsAnalysisGroup(false),
- NormalCtor(normal), TargetCtor(targetctor) {
+ PassInfo(const char *name, const char *arg, intptr_t pi,
+ Pass *(*normal)() = 0, bool isCFGOnly = false)
+ : PassName(name), PassArgument(arg), PassID(pi),
+ IsCFGOnlyPass(isCFGOnly), IsAnalysisGroup(false), NormalCtor(normal) {
}
/// getPassName - Return the friendly name for the pass, never returns null
///
const char *getPassArgument() const { return PassArgument; }
- /// getTypeInfo - Return the type_info object for the pass...
- ///
- const std::type_info &getTypeInfo() const { return TypeInfo; }
+ /// getTypeInfo - Return the id object for the pass...
+ /// TODO : Rename
+ intptr_t getTypeInfo() const { return PassID; }
/// isAnalysisGroup - Return true if this is an analysis group, not a normal
/// pass.
bool isAnalysisGroup() const { return IsAnalysisGroup; }
void SetIsAnalysisGroup() { IsAnalysisGroup = true; }
+ /// isCFGOnlyPass - return true if this pass only looks at the CFG for the
+ /// function.
+ bool isCFGOnlyPass() const { return IsCFGOnlyPass; }
+
/// getNormalCtor - Return a pointer to a function, that when called, creates
/// an instance of the pass and returns it. This pointer may be null if there
/// is no default constructor for the pass.
return NormalCtor();
}
- /// getTargetCtor - Return a pointer to a function that creates an instance of
- /// the pass and returns it. This returns a constructor for a version of the
- /// pass that takes a TargetMachine object as a parameter.
- ///
- Pass *(*getTargetCtor() const)(TargetMachine &) {
- return TargetCtor;
- }
-
/// addInterfaceImplemented - This method is called when this pass is
/// registered as a member of an analysis group with the RegisterAnalysisGroup
/// template.
/// must be called, create a global constructor function (which takes the
/// arguments you need and returns a Pass*) and register your pass like this:
///
-/// Pass *createMyPass(foo &opt) { return new MyPass(opt); }
-/// static RegisterPass<PassClassName> tmp("passopt", "My Name", createMyPass);
+/// static RegisterPass<PassClassName> tmp("passopt", "My Name");
///
struct RegisterPassBase {
/// getPassInfo - Get the pass info for the registered class...
///
const PassInfo *getPassInfo() const { return &PIObj; }
- RegisterPassBase(const char *Name, const char *Arg, const std::type_info &TI,
- Pass *(*Normal)() = 0,
- Pass *(*TargetCtor)(TargetMachine &) = 0)
- : PIObj(Name, Arg, TI, Normal, TargetCtor) {
+ typedef Pass* (*NormalCtor_t)();
+
+ RegisterPassBase(const char *Name, const char *Arg, intptr_t TI,
+ NormalCtor_t NormalCtor = 0, bool CFGOnly = false)
+ : PIObj(Name, Arg, TI, NormalCtor, CFGOnly) {
registerPass();
}
- RegisterPassBase(const std::type_info &TI)
- : PIObj("", "", TI, 0, 0) {
+ RegisterPassBase(intptr_t TI)
+ : PIObj("", "", TI) {
// This ctor may only be used for analysis groups: it does not auto-register
// the pass.
PIObj.SetIsAnalysisGroup();
}
-
- ~RegisterPassBase() { // Intentionally non-virtual.
- // Analysis groups are registered/unregistered by their dtor.
- if (!PIObj.isAnalysisGroup())
- unregisterPass();
- }
protected:
PassInfo PIObj; // The PassInfo object for this pass
void registerPass();
void unregisterPass();
-
- /// setOnlyUsesCFG - Notice that this pass only depends on the CFG, so
- /// transformations that do not modify the CFG do not invalidate this pass.
- ///
- void setOnlyUsesCFG();
};
template<typename PassName>
// Register Pass using default constructor...
RegisterPass(const char *PassArg, const char *Name, bool CFGOnly = false)
- : RegisterPassBase(Name, PassArg, typeid(PassName),
- callDefaultCtor<PassName>) {
- if (CFGOnly) setOnlyUsesCFG();
- }
-
- // Register Pass using default constructor explicitly...
- RegisterPass(const char *PassArg, const char *Name,
- Pass *(*ctor)(), bool CFGOnly = false)
- : RegisterPassBase(Name, PassArg, typeid(PassName), ctor) {
- if (CFGOnly) setOnlyUsesCFG();
- }
-
- // Register Pass using TargetMachine constructor...
- RegisterPass(const char *PassArg, const char *Name,
- Pass *(*targetctor)(TargetMachine &), bool CFGOnly = false)
- : RegisterPassBase(Name, PassArg, typeid(PassName), 0, targetctor) {
- if (CFGOnly) setOnlyUsesCFG();
- }
-
- // Generic constructor version that has an unknown ctor type...
- template<typename CtorType>
- RegisterPass(const char *PassArg, const char *Name, CtorType *Fn,
- bool CFGOnly = false)
- : RegisterPassBase(Name, PassArg, typeid(PassName), 0) {
- if (CFGOnly) setOnlyUsesCFG();
+ : RegisterPassBase(Name, PassArg, intptr_t(&PassName::ID),
+ RegisterPassBase::NormalCtor_t(callDefaultCtor<PassName>), CFGOnly) {
}
};
const PassInfo *ImplementationInfo;
bool isDefaultImplementation;
protected:
- RegisterAGBase(const std::type_info &Interface,
- const std::type_info *Pass = 0,
- bool isDefault = false);
+ explicit RegisterAGBase(intptr_t InterfaceID,
+ intptr_t PassID = 0,
+ bool isDefault = false);
void setGroupName(const char *Name);
-public:
- ~RegisterAGBase();
};
-
-template<typename Interface, typename DefaultImplementationPass = void,
- bool Default = false>
+template<typename Interface, bool Default = false>
struct RegisterAnalysisGroup : public RegisterAGBase {
- RegisterAnalysisGroup() : RegisterAGBase(typeid(Interface),
- &typeid(DefaultImplementationPass),
- Default) {
+ explicit RegisterAnalysisGroup(RegisterPassBase &RPB)
+ : RegisterAGBase(intptr_t(&Interface::ID), RPB.getPassInfo()->getTypeInfo(),
+ Default) {
}
-};
-/// Define a specialization of RegisterAnalysisGroup that is used to set the
-/// name for the analysis group.
-///
-template<typename Interface>
-struct RegisterAnalysisGroup<Interface, void, false> : public RegisterAGBase {
- RegisterAnalysisGroup(const char *Name)
- : RegisterAGBase(typeid(Interface)) {
+ explicit RegisterAnalysisGroup(const char *Name)
+ : RegisterAGBase(intptr_t(&Interface::ID)) {
setGroupName(Name);
}
};
/// or removed from the current executable.
///
virtual void passRegistered(const PassInfo *P) {}
- virtual void passUnregistered(const PassInfo *P) {}
/// enumeratePasses - Iterate over the registered passes, calling the
/// passEnumerate callback on each PassInfo object.