X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FPassSupport.h;h=f594d45f1522b83cd73d288662cf226131ae2b9c;hb=7adb53e7b1a4ec0cda17cbc946da44147c141d69;hp=8206e5f28e6a11ec524af3db9c15295704aa94df;hpb=1ac2d518067f8341fb59c1c5ba1f5787fd78abe2;p=oota-llvm.git diff --git a/include/llvm/PassSupport.h b/include/llvm/PassSupport.h index 8206e5f28e6..f594d45f152 100644 --- a/include/llvm/PassSupport.h +++ b/include/llvm/PassSupport.h @@ -21,6 +21,7 @@ #ifndef LLVM_PASS_SUPPORT_H #define LLVM_PASS_SUPPORT_H +#include "llvm/System/IncludeFile.h" // No need to include Pass.h, we are being included by it! namespace llvm { @@ -36,30 +37,20 @@ class TargetMachine; 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 - unsigned char PassType; // Set of enums values below... + intptr_t PassID; + bool IsCFGOnlyPass; // Pass only looks at the CFG. + bool IsAnalysisGroup; // True if an analysis group. std::vector ItfImpl;// Interfaces implemented by this pass - Pass *(*NormalCtor)(); // No argument ctor - Pass *(*TargetCtor)(TargetMachine&); // Ctor taking TargetMachine object... + Pass *(*NormalCtor)(); public: - /// PassType - Define symbolic constants that can be used to test to see if - /// this pass should be listed by analyze or opt. Passes can use none, one or - /// many of these flags or'd together. It is not legal to combine the - /// AnalysisGroup flag with others. - /// - enum { - Analysis = 1, Optimization = 2, AnalysisGroup = 4 - }; - /// 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, - unsigned char pt, Pass *(*normal)() = 0, - Pass *(*targetctor)(TargetMachine &) = 0) - : PassName(name), PassArgument(arg), TypeInfo(ti), PassType(pt), - 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 @@ -74,15 +65,19 @@ public: const char *getPassArgument() const { return PassArgument; } /// getTypeInfo - Return the type_info object for the pass... - /// - const std::type_info &getTypeInfo() const { return TypeInfo; } + /// TODO : Rename + intptr_t getTypeInfo() const { return PassID; } - /// getPassType - Return the PassType of a pass. Note that this can be - /// several different types or'd together. This is _strictly_ for use by opt, - /// analyze and llc for deciding which passes to use as command line options. + /// isAnalysisGroup - Return true if this is an analysis group, not a normal + /// pass. /// - unsigned getPassType() const { return PassType; } + 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. @@ -96,21 +91,13 @@ public: /// createPass() - Use this method to create an instance of this pass. Pass *createPass() const { - assert((PassType != AnalysisGroup || NormalCtor) && + assert((!isAnalysisGroup() || NormalCtor) && "No default implementation found for analysis group!"); assert(NormalCtor && "Cannot call createPass on PassInfo without default ctor!"); 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. @@ -143,42 +130,31 @@ public: /// 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 tmp("passopt", "My Name", createMyPass); +/// static RegisterPass 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, - unsigned char PT, Pass *(*Normal)() = 0, - Pass *(*TargetCtor)(TargetMachine &) = 0) - : PIObj(Name, Arg, TI, PT, 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, unsigned char PT) - : PIObj("", "", TI, PT, 0, 0) { + RegisterPassBase(intptr_t TI) + : PIObj("", "", TI) { // This ctor may only be used for analysis groups: it does not auto-register // the pass. - assert(PT == PassInfo::AnalysisGroup && "Not an AnalysisGroup!"); - } - - ~RegisterPassBase() { // Intentionally non-virtual. - // Analysis groups are registered/unregistered by their dtor. - if (PIObj.getPassType() != PassInfo::AnalysisGroup) - unregisterPass(); + PIObj.SetIsAnalysisGroup(); } 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 @@ -188,90 +164,9 @@ template struct RegisterPass : public RegisterPassBase { // Register Pass using default constructor... - RegisterPass(const char *PassArg, const char *Name, unsigned char PassTy = 0) - : RegisterPassBase(Name, PassArg, typeid(PassName), PassTy, - callDefaultCtor) {} - - // Register Pass using default constructor explicitly... - RegisterPass(const char *PassArg, const char *Name, unsigned char PassTy, - Pass *(*ctor)()) - : RegisterPassBase(Name, PassArg, typeid(PassName), PassTy, ctor) {} - - // Register Pass using TargetMachine constructor... - RegisterPass(const char *PassArg, const char *Name, unsigned char PassTy, - Pass *(*targetctor)(TargetMachine &)) - : RegisterPassBase(Name, PassArg, typeid(PassName), PassTy, - 0, targetctor) {} - - // Generic constructor version that has an unknown ctor type... - template - RegisterPass(const char *PassArg, const char *Name, unsigned char PassTy, - CtorType *Fn) - : RegisterPassBase(Name, PassArg, typeid(PassName), PassTy, 0) {} -}; - -/// RegisterOpt - Register something that is to show up in Opt, this is just a -/// shortcut for specifying RegisterPass... -/// -template -struct RegisterOpt : public RegisterPassBase { - RegisterOpt(const char *PassArg, const char *Name, bool CFGOnly = false) - : RegisterPassBase(Name, PassArg, typeid(PassName), PassInfo::Optimization, - callDefaultCtor) { - if (CFGOnly) setOnlyUsesCFG(); - } - - /// Register Pass using default constructor explicitly... - /// - RegisterOpt(const char *PassArg, const char *Name, Pass *(*ctor)(), - bool CFGOnly = false) - : RegisterPassBase(Name, PassArg, typeid(PassName), - PassInfo::Optimization, ctor) { - if (CFGOnly) setOnlyUsesCFG(); - } - - /// Register FunctionPass using default constructor explicitly... - /// - RegisterOpt(const char *PassArg, const char *Name, FunctionPass *(*ctor)(), - bool CFGOnly = false) - : RegisterPassBase(Name, PassArg, typeid(PassName), PassInfo::Optimization, - static_cast(ctor)) { - if (CFGOnly) setOnlyUsesCFG(); - } - - /// Register Pass using TargetMachine constructor... - /// - RegisterOpt(const char *PassArg, const char *Name, - Pass *(*targetctor)(TargetMachine &), bool CFGOnly = false) - : RegisterPassBase(Name, PassArg, typeid(PassName), - PassInfo::Optimization, 0, targetctor) { - if (CFGOnly) setOnlyUsesCFG(); - } - - /// Register FunctionPass using TargetMachine constructor... - /// - RegisterOpt(const char *PassArg, const char *Name, - FunctionPass *(*targetctor)(TargetMachine &), - bool CFGOnly = false) - : RegisterPassBase(Name, PassArg, typeid(PassName), PassInfo::Optimization, 0, - static_cast(targetctor)) { - if (CFGOnly) setOnlyUsesCFG(); - } -}; - -/// RegisterAnalysis - Register something that is to show up in Analysis, this -/// is just a shortcut for specifying RegisterPass... Analyses take a special -/// argument that, when set to true, tells the system that the analysis ONLY -/// depends on the shape of the CFG, so if a transformation preserves the CFG -/// that the analysis is not invalidated. -/// -template -struct RegisterAnalysis : public RegisterPassBase { - RegisterAnalysis(const char *PassArg, const char *Name, - bool CFGOnly = false) - : RegisterPassBase(Name, PassArg, typeid(PassName), PassInfo::Analysis, - callDefaultCtor) { - if (CFGOnly) setOnlyUsesCFG(); + RegisterPass(const char *PassArg, const char *Name, bool CFGOnly = false) + : RegisterPassBase(Name, PassArg, (intptr_t)&PassName::ID, + (RegisterPassBase::NormalCtor_t)callDefaultCtor, CFGOnly) { } }; @@ -300,31 +195,21 @@ class RegisterAGBase : public RegisterPassBase { 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 +template 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 -struct RegisterAnalysisGroup : public RegisterAGBase { - RegisterAnalysisGroup(const char *Name) - : RegisterAGBase(typeid(Interface)) { + explicit RegisterAnalysisGroup(const char *Name) + : RegisterAGBase((intptr_t) &Interface::ID) { setGroupName(Name); } }; @@ -354,7 +239,6 @@ struct PassRegistrationListener { /// 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. @@ -368,16 +252,6 @@ struct PassRegistrationListener { }; -//===--------------------------------------------------------------------------- -/// IncludeFile class - This class is used as a hack to make sure that the -/// implementation of a header file is included into a tool that uses the -/// header. This is solely to overcome problems linking .a files and not -/// getting the implementation of passes we need. -/// -struct IncludeFile { - IncludeFile(void *); -}; - } // End llvm namespace #endif