X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FPass.h;h=bc6b39bbb3145c07a69f3f6480d0344ba9313aad;hb=4b84086e89d86fb16f562166d9fea8df37db6be7;hp=cee635bd8a5823748dd954d965e13b2ca1d760ba;hpb=667976e35fe922e425a13848ef97d95dd07ab5f4;p=oota-llvm.git diff --git a/include/llvm/Pass.h b/include/llvm/Pass.h index cee635bd8a5..bc6b39bbb31 100644 --- a/include/llvm/Pass.h +++ b/include/llvm/Pass.h @@ -2,8 +2,8 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // @@ -29,10 +29,10 @@ #ifndef LLVM_PASS_H #define LLVM_PASS_H +#include "llvm/Support/DataTypes.h" #include "llvm/Support/Streams.h" #include -#include -#include +#include #include #include @@ -65,8 +65,6 @@ enum PassManagerType { PMT_Last }; -typedef enum PassManagerType PassManagerType; - //===----------------------------------------------------------------------===// /// Pass interface - Implemented by all 'passes'. Subclass this if you are an /// interprocedural optimization or you do not fit into any of the more @@ -75,7 +73,6 @@ typedef enum PassManagerType PassManagerType; class Pass { AnalysisResolver *Resolver; // Used to resolve analysis intptr_t PassID; - // AnalysisImpls - This keeps track of which passes implement the interfaces // that are required by the current pass (to implement getAnalysis()). // @@ -85,13 +82,12 @@ class Pass { Pass(const Pass &); // DO NOT IMPLEMENT public: explicit Pass(intptr_t pid) : Resolver(0), PassID(pid) {} + explicit Pass(const void *pid) : Resolver(0), PassID((intptr_t)pid) {} virtual ~Pass(); /// getPassName - Return a nice clean name for a pass. This usually /// implemented in terms of the name that is registered by one of the - /// Registration templates, but can be overloaded directly, and if nothing - /// else is available, C++ RTTI will be consulted to get a SOMEWHAT - /// intelligible name for the pass. + /// Registration templates, but can be overloaded directly. /// virtual const char *getPassName() const; @@ -100,12 +96,6 @@ public: /// const PassInfo *getPassInfo() const; - /// runPass - Run this pass, returning true if a modification was made to the - /// module argument. This should be implemented by all concrete subclasses. - /// - virtual bool runPass(Module &M) { return false; } - virtual bool runPass(BasicBlock&) { return false; } - /// print - Print out the internal state of the pass. This is called by /// Analyze to print out the contents of an analysis. Otherwise it is not /// necessary to implement this method. Beware that the module pointer MAY be @@ -119,10 +109,10 @@ public: /// Each pass is responsible for assigning a pass manager to itself. /// PMS is the stack of available pass manager. - virtual void assignPassManager(PMStack &PMS, - PassManagerType T = PMT_Unknown) {} + virtual void assignPassManager(PMStack &, + PassManagerType = PMT_Unknown) {} /// Check if available pass managers are suitable for this pass or not. - virtual void preparePassManager(PMStack &PMS) {} + virtual void preparePassManager(PMStack &) {} /// Return what kind of Pass Manager can manage this pass. virtual PassManagerType getPotentialPassManagerType() const { @@ -130,15 +120,21 @@ public: } // Access AnalysisResolver - inline void setResolver(AnalysisResolver *AR) { Resolver = AR; } - inline AnalysisResolver *getResolver() { return Resolver; } + inline void setResolver(AnalysisResolver *AR) { + assert (!Resolver && "Resolver is already set"); + Resolver = AR; + } + inline AnalysisResolver *getResolver() { + assert (Resolver && "Resolver is not set"); + return Resolver; + } /// getAnalysisUsage - This function should be overriden by passes that need /// analysis information to do their job. If a pass specifies that it uses a /// particular analysis result to this function, it can then use the /// getAnalysis() function, below. /// - virtual void getAnalysisUsage(AnalysisUsage &Info) const { + virtual void getAnalysisUsage(AnalysisUsage &) const { // By default, no analysis results are used, all are invalidated. } @@ -155,12 +151,16 @@ public: /// virtual void releaseMemory() {} + /// verifyAnalysis() - This member can be implemented by a analysis pass to + /// check state of analysis information. + virtual void verifyAnalysis() const {} + // dumpPassStructure - Implement the -debug-passes=PassStructure option virtual void dumpPassStructure(unsigned Offset = 0); template static const PassInfo *getClassPassInfo() { - return lookupPassInfo((intptr_t)&AnalysisClass::ID); + return lookupPassInfo(intptr_t(&AnalysisClass::ID)); } // lookupPassInfo - Return the pass info object for the specified pass class, @@ -218,9 +218,6 @@ public: /// being operated on. virtual bool runOnModule(Module &M) = 0; - virtual bool runPass(Module &M) { return runOnModule(M); } - virtual bool runPass(BasicBlock&) { return false; } - virtual void assignPassManager(PMStack &PMS, PassManagerType T = PMT_ModulePassManager); @@ -230,6 +227,7 @@ public: } explicit ModulePass(intptr_t pid) : Pass(pid) {} + explicit ModulePass(const void *pid) : Pass(pid) {} // Force out-of-line virtual method. virtual ~ModulePass(); }; @@ -252,9 +250,12 @@ public: /// ImmutablePasses are never run. /// - virtual bool runOnModule(Module &M) { return false; } + bool runOnModule(Module &) { return false; } explicit ImmutablePass(intptr_t pid) : ModulePass(pid) {} + explicit ImmutablePass(const void *pid) + : ModulePass(pid) {} + // Force out-of-line virtual method. virtual ~ImmutablePass(); }; @@ -271,11 +272,12 @@ public: class FunctionPass : public Pass { public: explicit FunctionPass(intptr_t pid) : Pass(pid) {} + explicit FunctionPass(const void *pid) : Pass(pid) {} /// doInitialization - Virtual method overridden by subclasses to do /// any necessary per-module initialization. /// - virtual bool doInitialization(Module &M) { return false; } + virtual bool doInitialization(Module &) { return false; } /// runOnFunction - Virtual method overriden by subclasses to do the /// per-function processing of the pass. @@ -285,7 +287,7 @@ public: /// doFinalization - Virtual method overriden by subclasses to do any post /// processing needed after all passes have run. /// - virtual bool doFinalization(Module &M) { return false; } + virtual bool doFinalization(Module &) { return false; } /// runOnModule - On a module, we run this pass by initializing, /// ronOnFunction'ing once for every function in the module, then by @@ -322,16 +324,17 @@ public: class BasicBlockPass : public Pass { public: explicit BasicBlockPass(intptr_t pid) : Pass(pid) {} + explicit BasicBlockPass(const void *pid) : Pass(pid) {} /// doInitialization - Virtual method overridden by subclasses to do /// any necessary per-module initialization. /// - virtual bool doInitialization(Module &M) { return false; } + virtual bool doInitialization(Module &) { return false; } /// doInitialization - Virtual method overridden by BasicBlockPass subclasses /// to do any necessary per-function initialization. /// - virtual bool doInitialization(Function &F) { return false; } + virtual bool doInitialization(Function &) { return false; } /// runOnBasicBlock - Virtual method overriden by subclasses to do the /// per-basicblock processing of the pass. @@ -341,12 +344,12 @@ public: /// doFinalization - Virtual method overriden by BasicBlockPass subclasses to /// do any post processing needed after all passes have run. /// - virtual bool doFinalization(Function &F) { return false; } + virtual bool doFinalization(Function &) { return false; } /// doFinalization - Virtual method overriden by subclasses to do any post /// processing needed after all passes have run. /// - virtual bool doFinalization(Module &M) { return false; } + virtual bool doFinalization(Module &) { return false; } // To run this pass on a function, we simply call runOnBasicBlock once for @@ -354,12 +357,6 @@ public: // bool runOnFunction(Function &F); - /// To run directly on the basic block, we initialize, runOnBasicBlock, then - /// finalize. - /// - virtual bool runPass(Module &M) { return false; } - virtual bool runPass(BasicBlock &BB); - virtual void assignPassManager(PMStack &PMS, PassManagerType T = PMT_BasicBlockPassManager); @@ -369,33 +366,6 @@ public: } }; -/// PMStack -/// Top level pass manager (see PasManager.cpp) maintains active Pass Managers -/// using PMStack. Each Pass implements assignPassManager() to connect itself -/// with appropriate manager. assignPassManager() walks PMStack to find -/// suitable manager. -/// -/// PMStack is just a wrapper around standard deque that overrides pop() and -/// push() methods. -class PMStack { -public: - typedef std::deque::reverse_iterator iterator; - iterator begin() { return S.rbegin(); } - iterator end() { return S.rend(); } - - void handleLastUserOverflow(); - - void pop(); - inline PMDataManager *top() { return S.back(); } - void push(Pass *P); - inline bool empty() { return S.empty(); } - - void dump(); -private: - std::deque S; -}; - - /// If the user specifies the -time-passes argument on an LLVM tool command line /// then the value of this boolean will be true, otherwise false. /// @brief This is the storage for the -time-passes option.