#ifndef LLVM_PASS_SUPPORT_H
#define LLVM_PASS_SUPPORT_H
-// No need to include Pass.h, we are being included by it!
+#include "Pass.h"
namespace llvm {
/// template, defined below.
///
class PassInfo {
- const char *PassName; // Nice name for Pass
- const char *PassArgument; // Command Line argument to run this pass
- intptr_t PassID;
- bool IsCFGOnlyPass; // Pass only looks at the CFG.
- bool IsAnalysis; // True if an analysis pass.
- bool IsAnalysisGroup; // True if an analysis group.
- std::vector<const PassInfo*> ItfImpl;// Interfaces implemented by this pass
-
- Pass *(*NormalCtor)();
+public:
+ typedef Pass* (*NormalCtor_t)();
+ struct InterfaceInfo {
+ const PassInfo *interface;
+ const InterfaceInfo *next;
+ };
+
+private:
+ const char *const PassName; // Nice name for Pass
+ const char *const PassArgument; // Command Line argument to run this pass
+ const intptr_t PassID;
+ const bool IsCFGOnlyPass; // Pass only looks at the CFG.
+ const bool IsAnalysis; // True if an analysis pass.
+ const bool IsAnalysisGroup; // True if an analysis group.
+ const InterfaceInfo *ItfImpl;// Interfaces implemented by this pass
+
+ NormalCtor_t NormalCtor;
public:
/// PassInfo ctor - Do not call this directly, this should only be invoked
/// through RegisterPass.
PassInfo(const char *name, const char *arg, intptr_t pi,
- Pass *(*normal)() = 0, bool isCFGOnly = false, bool isAnalysis = false)
+ NormalCtor_t normal = 0,
+ bool isCFGOnly = false, bool is_analysis = false)
: PassName(name), PassArgument(arg), PassID(pi),
IsCFGOnlyPass(isCFGOnly),
- IsAnalysis(isAnalysis), IsAnalysisGroup(false), NormalCtor(normal) {
+ IsAnalysis(is_analysis), IsAnalysisGroup(false), NormalCtor(normal) {
+ registerPass();
+ }
+ /// PassInfo ctor - Do not call this directly, this should only be invoked
+ /// through RegisterPass. This version is for use by analysis groups; it
+ /// does not auto-register the pass.
+ PassInfo(const char *name, intptr_t pi)
+ : PassName(name), PassArgument(""), PassID(pi),
+ IsCFGOnlyPass(false),
+ IsAnalysis(false), IsAnalysisGroup(true), NormalCtor(0) {
}
/// getPassName - Return the friendly name for the pass, never returns null
///
const char *getPassName() const { return PassName; }
- void setPassName(const char *Name) { PassName = Name; }
/// getPassArgument - Return the command line option that may be passed to
/// 'opt' that will cause this pass to be run. This will return null if there
/// TODO : Rename
intptr_t getTypeInfo() const { return PassID; }
+ /// Return true if this PassID implements the specified ID pointer.
+ bool isPassID(void *IDPtr) const {
+ return PassID == (intptr_t)IDPtr;
+ }
+
/// isAnalysisGroup - Return true if this is an analysis group, not a normal
/// pass.
///
bool isAnalysisGroup() const { return IsAnalysisGroup; }
bool isAnalysis() const { return IsAnalysis; }
- void SetIsAnalysisGroup() { IsAnalysisGroup = true; }
/// isCFGOnlyPass - return true if this pass only looks at the CFG for the
/// function.
/// an instance of the pass and returns it. This pointer may be null if there
/// is no default constructor for the pass.
///
- Pass *(*getNormalCtor() const)() {
+ NormalCtor_t getNormalCtor() const {
return NormalCtor;
}
- void setNormalCtor(Pass *(*Ctor)()) {
+ void setNormalCtor(NormalCtor_t Ctor) {
NormalCtor = Ctor;
}
/// createPass() - Use this method to create an instance of this pass.
- Pass *createPass() const {
- assert((!isAnalysisGroup() || NormalCtor) &&
- "No default implementation found for analysis group!");
- assert(NormalCtor &&
- "Cannot call createPass on PassInfo without default ctor!");
- return NormalCtor();
- }
+ Pass *createPass() const;
/// addInterfaceImplemented - This method is called when this pass is
/// registered as a member of an analysis group with the RegisterAnalysisGroup
/// template.
///
void addInterfaceImplemented(const PassInfo *ItfPI) {
- ItfImpl.push_back(ItfPI);
+ InterfaceInfo *NewInfo = new InterfaceInfo();
+ NewInfo->interface = ItfPI;
+ NewInfo->next = ItfImpl;
+ ItfImpl = NewInfo;
}
/// getInterfacesImplemented - Return a list of all of the analysis group
/// interfaces implemented by this pass.
///
- const std::vector<const PassInfo*> &getInterfacesImplemented() const {
+ const InterfaceInfo *getInterfacesImplemented() const {
return ItfImpl;
}
+
+protected:
+ void registerPass();
+ void unregisterPass();
+
+private:
+ void operator=(const PassInfo &); // do not implement
+ PassInfo(const PassInfo &); // do not implement
};
+template<typename PassName>
+Pass *callDefaultCtor() { return new PassName(); }
+
//===---------------------------------------------------------------------------
/// RegisterPass<t> template - This template class is used to notify the system
/// that a Pass is available for use, and registers it into the internal
///
/// static RegisterPass<PassClassName> tmp("passopt", "My Name");
///
-struct RegisterPassBase {
- /// getPassInfo - Get the pass info for the registered class...
- ///
- const PassInfo *getPassInfo() const { return &PIObj; }
-
- typedef Pass* (*NormalCtor_t)();
-
- RegisterPassBase(const char *Name, const char *Arg, intptr_t TI,
- NormalCtor_t NormalCtor = 0, bool CFGOnly = false,
- bool IsAnalysis = false)
- : PIObj(Name, Arg, TI, NormalCtor, CFGOnly, IsAnalysis) {
- registerPass();
- }
- explicit RegisterPassBase(intptr_t TI)
- : PIObj("", "", TI) {
- // This ctor may only be used for analysis groups: it does not auto-register
- // the pass.
- PIObj.SetIsAnalysisGroup();
- }
-
-protected:
- PassInfo PIObj; // The PassInfo object for this pass
- void registerPass();
- void unregisterPass();
-};
-
-template<typename PassName>
-Pass *callDefaultCtor() { return new PassName(); }
-
-template<typename PassName>
-struct RegisterPass : public RegisterPassBase {
+template<typename passName>
+struct RegisterPass : public PassInfo {
// Register Pass using default constructor...
RegisterPass(const char *PassArg, const char *Name, bool CFGOnly = false,
- bool IsAnalysis = false)
- : RegisterPassBase(Name, PassArg, intptr_t(&PassName::ID),
- RegisterPassBase::NormalCtor_t(callDefaultCtor<PassName>),
- CFGOnly, IsAnalysis) {
+ bool is_analysis = false)
+ : PassInfo(Name, PassArg, intptr_t(&passName::ID),
+ PassInfo::NormalCtor_t(callDefaultCtor<passName>),
+ CFGOnly, is_analysis) {
}
};
///
/// If no analysis implementing the interface is available, a default
/// implementation is created and added. A pass registers itself as the default
-/// implementation by specifying 'true' as the third template argument of this
+/// implementation by specifying 'true' as the second template argument of this
/// class.
///
/// In addition to registering itself as an analysis group member, a pass must
/// second template argument). The interface should be registered to associate
/// a nice name with the interface.
///
-class RegisterAGBase : public RegisterPassBase {
- PassInfo *InterfaceInfo;
- const PassInfo *ImplementationInfo;
- bool isDefaultImplementation;
+class RegisterAGBase : public PassInfo {
protected:
- explicit RegisterAGBase(intptr_t InterfaceID,
- intptr_t PassID = 0,
- bool isDefault = false);
- void setGroupName(const char *Name);
+ RegisterAGBase(const char *Name,
+ intptr_t InterfaceID,
+ intptr_t PassID = 0,
+ bool isDefault = false);
};
template<typename Interface, bool Default = false>
struct RegisterAnalysisGroup : public RegisterAGBase {
- explicit RegisterAnalysisGroup(RegisterPassBase &RPB)
- : RegisterAGBase(intptr_t(&Interface::ID), RPB.getPassInfo()->getTypeInfo(),
+ explicit RegisterAnalysisGroup(PassInfo &RPB)
+ : RegisterAGBase(RPB.getPassName(),
+ intptr_t(&Interface::ID), RPB.getTypeInfo(),
Default) {
}
explicit RegisterAnalysisGroup(const char *Name)
- : RegisterAGBase(intptr_t(&Interface::ID)) {
- setGroupName(Name);
+ : RegisterAGBase(Name, intptr_t(&Interface::ID)) {
}
};
/// Callback functions - These functions are invoked whenever a pass is loaded
/// or removed from the current executable.
///
- virtual void passRegistered(const PassInfo *P) {}
+ virtual void passRegistered(const PassInfo *) {}
/// enumeratePasses - Iterate over the registered passes, calling the
/// passEnumerate callback on each PassInfo object.
/// passEnumerate - Callback function invoked when someone calls
/// enumeratePasses on this PassRegistrationListener object.
///
- virtual void passEnumerate(const PassInfo *P) {}
+ virtual void passEnumerate(const PassInfo *) {}
};
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