diff options
Diffstat (limited to 'include/llvm/PassSupport.h')
| -rw-r--r-- | include/llvm/PassSupport.h | 103 |
1 files changed, 50 insertions, 53 deletions
diff --git a/include/llvm/PassSupport.h b/include/llvm/PassSupport.h index 29e7374..0eae122 100644 --- a/include/llvm/PassSupport.h +++ b/include/llvm/PassSupport.h @@ -34,30 +34,43 @@ class TargetMachine; /// 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. +public: + typedef Pass* (*NormalCtor_t)(); + +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. std::vector<const PassInfo*> ItfImpl;// Interfaces implemented by this pass - Pass *(*NormalCtor)(); + 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 isAnalysis = false) : PassName(name), PassArgument(arg), PassID(pi), IsCFGOnlyPass(isCFGOnly), IsAnalysis(isAnalysis), 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 @@ -74,7 +87,6 @@ public: /// 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. @@ -84,10 +96,10 @@ public: /// 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; } @@ -114,9 +126,23 @@ public: const std::vector<const PassInfo*> &getInterfacesImplemented() const { return ItfImpl; } + + /// getPassInfo - Deprecated API compaatibility function. This function + /// just returns 'this'. + /// + const PassInfo *getPassInfo() const { + return this; + } + +protected: + void registerPass(); + void unregisterPass(); }; +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 @@ -134,44 +160,15 @@ public: /// /// 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) { + : PassInfo(Name, PassArg, intptr_t(&passName::ID), + PassInfo::NormalCtor_t(callDefaultCtor<passName>), + CFGOnly, IsAnalysis) { } }; @@ -195,27 +192,27 @@ struct RegisterPass : public RegisterPassBase { /// second template argument). The interface should be registered to associate /// a nice name with the interface. /// -class RegisterAGBase : public RegisterPassBase { +class RegisterAGBase : public PassInfo { PassInfo *InterfaceInfo; const PassInfo *ImplementationInfo; bool isDefaultImplementation; protected: - explicit RegisterAGBase(intptr_t InterfaceID, + explicit RegisterAGBase(const char *Name, + intptr_t InterfaceID, intptr_t PassID = 0, bool isDefault = false); - void setGroupName(const char *Name); }; 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)) { } }; |