X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FPassSupport.h;h=81b3ce153c9104db1dc6eac3ba1470a9e5481026;hb=b09c146b116359616f6cbd4c8b3328607e00ff42;hp=af00725a32df82b71d8c2ea1121ebe3c0523f2b6;hpb=79fc2020ce2373b43c1a8d63f9de5ca496be84bc;p=oota-llvm.git diff --git a/include/llvm/PassSupport.h b/include/llvm/PassSupport.h index af00725a32d..81b3ce153c9 100644 --- a/include/llvm/PassSupport.h +++ b/include/llvm/PassSupport.h @@ -21,12 +21,15 @@ #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" +#include "llvm/InitializePasses.h" +#include "llvm/PassRegistry.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 @@ -40,7 +43,7 @@ public: 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 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. @@ -51,22 +54,18 @@ private: 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 isAnalysis = false) + 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(isAnalysis), IsAnalysisGroup(false), NormalCtor(normal) { - registerPass(); - } + 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, intptr_t pi) + PassInfo(const char *name, const void *pi) : PassName(name), PassArgument(""), PassID(pi), IsCFGOnlyPass(false), - IsAnalysis(false), IsAnalysisGroup(true), NormalCtor(0) { - } + IsAnalysis(false), IsAnalysisGroup(true), NormalCtor(0) { } /// getPassName - Return the friendly name for the pass, never returns null /// @@ -80,8 +79,13 @@ public: /// 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(const void *IDPtr) const { + return PassID == IDPtr; + } + /// isAnalysisGroup - Return true if this is an analysis group, not a normal /// pass. /// @@ -104,13 +108,7 @@ public: } /// 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 @@ -127,22 +125,59 @@ public: return ItfImpl; } - /// getPassInfo - Deprecated API compaatibility function. This function - /// just returns 'this'. - /// - const PassInfo *getPassInfo() const { - return this; - } - -protected: - void registerPass(); - void unregisterPass(); - private: - void operator=(const PassInfo &); // do not implement - PassInfo(const PassInfo &); // do not implement + void operator=(const PassInfo &) LLVM_DELETED_FUNCTION; + PassInfo(const PassInfo &) LLVM_DELETED_FUNCTION; }; +#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) \ + } + +#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(); } @@ -169,10 +204,11 @@ struct RegisterPass : public PassInfo { // Register Pass using default constructor... RegisterPass(const char *PassArg, const char *Name, bool CFGOnly = false, - bool IsAnalysis = false) - : PassInfo(Name, PassArg, intptr_t(&passName::ID), + bool is_analysis = false) + : PassInfo(Name, PassArg, &passName::ID, PassInfo::NormalCtor_t(callDefaultCtor), - CFGOnly, IsAnalysis) { + CFGOnly, is_analysis) { + PassRegistry::getPassRegistry()->registerPass(*this); } }; @@ -185,7 +221,7 @@ struct RegisterPass : public PassInfo { /// /// 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 @@ -197,31 +233,73 @@ struct RegisterPass : public PassInfo { /// a nice name with the interface. /// class RegisterAGBase : public PassInfo { - PassInfo *InterfaceInfo; - const PassInfo *ImplementationInfo; - bool isDefaultImplementation; -protected: - explicit RegisterAGBase(const char *Name, - intptr_t InterfaceID, - intptr_t PassID = 0, - bool isDefault = false); +public: + RegisterAGBase(const char *Name, + const void *InterfaceID, + const void *PassID = 0, + bool isDefault = false); }; 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 @@ -244,7 +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 PassInfo *P) {} + virtual void passRegistered(const PassInfo *) {} /// enumeratePasses - Iterate over the registered passes, calling the /// passEnumerate callback on each PassInfo object. @@ -254,7 +332,7 @@ struct PassRegistrationListener { /// passEnumerate - Callback function invoked when someone calls /// enumeratePasses on this PassRegistrationListener object. /// - virtual void passEnumerate(const PassInfo *P) {} + virtual void passEnumerate(const PassInfo *) {} };