X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FPassSupport.h;h=c6ad44f5f4ec90415030b8d310888e3eeae0ecbf;hb=5a0eeb5a9d727940b1dbe8dff6e9aa292ada0f6a;hp=c396b87b6cb1faa7c74a601eef7b830a7134a66b;hpb=8ba15cb7099d9eadcb345328228d77ffa5afa42d;p=oota-llvm.git diff --git a/include/llvm/PassSupport.h b/include/llvm/PassSupport.h index c396b87b6cb..c6ad44f5f4e 100644 --- a/include/llvm/PassSupport.h +++ b/include/llvm/PassSupport.h @@ -22,36 +22,51 @@ #define LLVM_PASS_SUPPORT_H #include "Pass.h" -#include "llvm/Config/config.h" +#include "llvm/PassRegistry.h" +#include "llvm/InitializePasses.h" +#include "llvm/Support/Atomic.h" +#include "llvm/Support/Valgrind.h" +#include namespace llvm { -class TargetMachine; - //===--------------------------------------------------------------------------- /// PassInfo class - An instance of this class exists for every pass known by /// the system, and can be obtained from a live Pass by calling its /// getPassInfo() method. These objects are set up by the RegisterPass<> /// template, defined below. /// - -struct StaticPassInfo { +class PassInfo { +public: typedef Pass* (*NormalCtor_t)(); - struct InterfaceInfo { - const StaticPassInfo *interface; - const InterfaceInfo *next; - }; - - 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. - InterfaceInfo *ItfImpl;// Interfaces implemented by this pass + +private: + const char *const PassName; // Nice name for Pass + const char *const PassArgument; // Command Line argument to run this pass + const void *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 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, const void *pi, + NormalCtor_t normal, bool isCFGOnly, bool is_analysis) + : PassName(name), PassArgument(arg), PassID(pi), + IsCFGOnlyPass(isCFGOnly), + IsAnalysis(is_analysis), IsAnalysisGroup(false), NormalCtor(normal) { } + /// 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, const void *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; } @@ -64,13 +79,13 @@ struct StaticPassInfo { /// getTypeInfo - Return the id object for the pass... /// TODO : Rename - intptr_t getTypeInfo() const { return PassID; } + const void *getTypeInfo() const { return PassID; } /// Return true if this PassID implements the specified ID pointer. - bool isPassID(void *IDPtr) const { - return PassID == (intptr_t)IDPtr; + bool isPassID(const void *IDPtr) const { + return PassID == IDPtr; } - + /// isAnalysisGroup - Return true if this is an analysis group, not a normal /// pass. /// @@ -80,7 +95,7 @@ struct StaticPassInfo { /// 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. @@ -92,66 +107,77 @@ struct StaticPassInfo { NormalCtor = Ctor; } + /// createPass() - Use this method to create an instance of this pass. + 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 StaticPassInfo *ItfPI) { - InterfaceInfo *NewInfo = new InterfaceInfo(); - NewInfo->interface = ItfPI; - NewInfo->next = ItfImpl; - ItfImpl = NewInfo; + void addInterfaceImplemented(const PassInfo *ItfPI) { + ItfImpl.push_back(ItfPI); } /// getInterfacesImplemented - Return a list of all of the analysis group /// interfaces implemented by this pass. /// - const InterfaceInfo *getInterfacesImplemented() const { + const std::vector &getInterfacesImplemented() const { return ItfImpl; } - /// createPass() - Use this method to create an instance of this pass. - Pass *createPass() const; +private: + void operator=(const PassInfo &) LLVM_DELETED_FUNCTION; + PassInfo(const PassInfo &) LLVM_DELETED_FUNCTION; }; -class PassInfo : public StaticPassInfo { -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, - NormalCtor_t normal = 0, - bool isCFGOnly = false, bool is_analysis = false) { - this->PassName = name; - this->PassArgument = arg; - this->PassID = pi; - this->IsCFGOnlyPass = isCFGOnly; - this->IsAnalysis = is_analysis; - this->IsAnalysisGroup = false; - this->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) { - this->PassName = name; - this->PassArgument = ""; - this->PassID = pi; - this->IsCFGOnlyPass = false; - this->IsAnalysis = false; - this->IsAnalysisGroup = true; - this->NormalCtor = 0; +#define CALL_ONCE_INITIALIZATION(function) \ + static volatile sys::cas_flag initialized = 0; \ + sys::cas_flag old_val = sys::CompareAndSwap(&initialized, 1, 0); \ + if (old_val == 0) { \ + function(Registry); \ + sys::MemoryFence(); \ + TsanIgnoreWritesBegin(); \ + TsanHappensBefore(&initialized); \ + initialized = 2; \ + TsanIgnoreWritesEnd(); \ + } else { \ + sys::cas_flag tmp = initialized; \ + sys::MemoryFence(); \ + while (tmp != 2) { \ + tmp = initialized; \ + sys::MemoryFence(); \ + } \ + } \ + TsanHappensAfter(&initialized); + +#define INITIALIZE_PASS(passName, arg, name, cfg, analysis) \ + static void* initialize##passName##PassOnce(PassRegistry &Registry) { \ + PassInfo *PI = new PassInfo(name, arg, & passName ::ID, \ + PassInfo::NormalCtor_t(callDefaultCtor< passName >), cfg, analysis); \ + Registry.registerPass(*PI, true); \ + return PI; \ + } \ + void llvm::initialize##passName##Pass(PassRegistry &Registry) { \ + CALL_ONCE_INITIALIZATION(initialize##passName##PassOnce) \ } -protected: - void registerPass(); - void unregisterPass(); - -private: - void operator=(const PassInfo &); // do not implement - PassInfo(const PassInfo &); // do not implement -}; - +#define INITIALIZE_PASS_BEGIN(passName, arg, name, cfg, analysis) \ + static void* initialize##passName##PassOnce(PassRegistry &Registry) { + +#define INITIALIZE_PASS_DEPENDENCY(depName) \ + initialize##depName##Pass(Registry); +#define INITIALIZE_AG_DEPENDENCY(depName) \ + initialize##depName##AnalysisGroup(Registry); + +#define INITIALIZE_PASS_END(passName, arg, name, cfg, analysis) \ + PassInfo *PI = new PassInfo(name, arg, & passName ::ID, \ + PassInfo::NormalCtor_t(callDefaultCtor< passName >), cfg, analysis); \ + Registry.registerPass(*PI, true); \ + return PI; \ + } \ + void llvm::initialize##passName##Pass(PassRegistry &Registry) { \ + CALL_ONCE_INITIALIZATION(initialize##passName##PassOnce) \ + } template Pass *callDefaultCtor() { return new PassName(); } @@ -179,9 +205,10 @@ struct RegisterPass : public PassInfo { // Register Pass using default constructor... RegisterPass(const char *PassArg, const char *Name, bool CFGOnly = false, bool is_analysis = false) - : PassInfo(Name, PassArg, intptr_t(&passName::ID), + : PassInfo(Name, PassArg, &passName::ID, PassInfo::NormalCtor_t(callDefaultCtor), CFGOnly, is_analysis) { + PassRegistry::getPassRegistry()->registerPass(*this); } }; @@ -206,10 +233,10 @@ struct RegisterPass : public PassInfo { /// a nice name with the interface. /// class RegisterAGBase : public PassInfo { -protected: +public: RegisterAGBase(const char *Name, - intptr_t InterfaceID, - intptr_t PassID = 0, + const void *InterfaceID, + const void *PassID = 0, bool isDefault = false); }; @@ -217,17 +244,62 @@ template struct RegisterAnalysisGroup : public RegisterAGBase { explicit RegisterAnalysisGroup(PassInfo &RPB) : RegisterAGBase(RPB.getPassName(), - intptr_t(&Interface::ID), RPB.getTypeInfo(), + &Interface::ID, RPB.getTypeInfo(), Default) { } explicit RegisterAnalysisGroup(const char *Name) - : RegisterAGBase(Name, intptr_t(&Interface::ID)) { + : RegisterAGBase(Name, &Interface::ID) { } }; +#define INITIALIZE_ANALYSIS_GROUP(agName, name, defaultPass) \ + static void* initialize##agName##AnalysisGroupOnce(PassRegistry &Registry) { \ + initialize##defaultPass##Pass(Registry); \ + PassInfo *AI = new PassInfo(name, & agName :: ID); \ + Registry.registerAnalysisGroup(& agName ::ID, 0, *AI, false, true); \ + return AI; \ + } \ + void llvm::initialize##agName##AnalysisGroup(PassRegistry &Registry) { \ + CALL_ONCE_INITIALIZATION(initialize##agName##AnalysisGroupOnce) \ + } + + +#define INITIALIZE_AG_PASS(passName, agName, arg, name, cfg, analysis, def) \ + static void* initialize##passName##PassOnce(PassRegistry &Registry) { \ + if (!def) initialize##agName##AnalysisGroup(Registry); \ + PassInfo *PI = new PassInfo(name, arg, & passName ::ID, \ + PassInfo::NormalCtor_t(callDefaultCtor< passName >), cfg, analysis); \ + Registry.registerPass(*PI, true); \ + \ + PassInfo *AI = new PassInfo(name, & agName :: ID); \ + Registry.registerAnalysisGroup(& agName ::ID, & passName ::ID, \ + *AI, def, true); \ + return AI; \ + } \ + void llvm::initialize##passName##Pass(PassRegistry &Registry) { \ + CALL_ONCE_INITIALIZATION(initialize##passName##PassOnce) \ + } +#define INITIALIZE_AG_PASS_BEGIN(passName, agName, arg, n, cfg, analysis, def) \ + static void* initialize##passName##PassOnce(PassRegistry &Registry) { \ + if (!def) initialize##agName##AnalysisGroup(Registry); + +#define INITIALIZE_AG_PASS_END(passName, agName, arg, n, cfg, analysis, def) \ + PassInfo *PI = new PassInfo(n, arg, & passName ::ID, \ + PassInfo::NormalCtor_t(callDefaultCtor< passName >), cfg, analysis); \ + Registry.registerPass(*PI, true); \ + \ + PassInfo *AI = new PassInfo(n, & agName :: ID); \ + Registry.registerAnalysisGroup(& agName ::ID, & passName ::ID, \ + *AI, def, true); \ + return AI; \ + } \ + void llvm::initialize##passName##Pass(PassRegistry &Registry) { \ + CALL_ONCE_INITIALIZATION(initialize##passName##PassOnce) \ + } + //===--------------------------------------------------------------------------- /// PassRegistrationListener class - This class is meant to be derived from by /// clients that are interested in which passes get registered and unregistered @@ -250,7 +322,7 @@ struct PassRegistrationListener { /// Callback functions - These functions are invoked whenever a pass is loaded /// or removed from the current executable. /// - virtual void passRegistered(const StaticPassInfo *) {} + virtual void passRegistered(const PassInfo *) {} /// enumeratePasses - Iterate over the registered passes, calling the /// passEnumerate callback on each PassInfo object. @@ -260,7 +332,7 @@ struct PassRegistrationListener { /// passEnumerate - Callback function invoked when someone calls /// enumeratePasses on this PassRegistrationListener object. /// - virtual void passEnumerate(const StaticPassInfo *) {} + virtual void passEnumerate(const PassInfo *) {} };