X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FAnalysis%2FLoopPass.h;h=4c16daffc0a5c5b46bab11c1e43cae805049bd9e;hb=b09c146b116359616f6cbd4c8b3328607e00ff42;hp=7659b5bf458de40e8f1d461cdea6c9f758b1b2f9;hpb=d8ac1be6862c0611cc0b3a726ad4c3141e7a3d9e;p=oota-llvm.git diff --git a/include/llvm/Analysis/LoopPass.h b/include/llvm/Analysis/LoopPass.h index 7659b5bf458..4c16daffc0a 100644 --- a/include/llvm/Analysis/LoopPass.h +++ b/include/llvm/Analysis/LoopPass.h @@ -16,9 +16,10 @@ #define LLVM_LOOP_PASS_H #include "llvm/Analysis/LoopInfo.h" +#include "llvm/Function.h" #include "llvm/Pass.h" #include "llvm/PassManagers.h" -#include "llvm/Function.h" +#include namespace llvm { @@ -28,13 +29,19 @@ class PMStack; class LoopPass : public Pass { public: - explicit LoopPass(intptr_t pid) : Pass(pid) {} - explicit LoopPass(void *pid) : Pass(pid) {} + explicit LoopPass(char &pid) : Pass(PT_Loop, pid) {} + + /// getPrinterPass - Get a pass to print the function corresponding + /// to a Loop. + Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const; // runOnLoop - This method should be implemented by the subclass to perform // whatever action is necessary for the specified Loop. virtual bool runOnLoop(Loop *L, LPPassManager &LPM) = 0; + using llvm::Pass::doInitialization; + using llvm::Pass::doFinalization; + // Initialization and finalization hooks. virtual bool doInitialization(Loop *L, LPPassManager &LPM) { return false; @@ -52,9 +59,9 @@ public: // LPPassManger as expected. void preparePassManager(PMStack &PMS); - /// Assign pass manager to manager this pass + /// Assign pass manager to manage this pass virtual void assignPassManager(PMStack &PMS, - PassManagerType PMT = PMT_LoopPassManager); + PassManagerType PMT); /// Return what kind of Pass Manager can manage this pass. virtual PassManagerType getPotentialPassManagerType() const { @@ -73,14 +80,14 @@ public: /// cloneBasicBlockAnalysis - Clone analysis info associated with basic block. virtual void cloneBasicBlockAnalysis(BasicBlock *F, BasicBlock *T, Loop *L) {} - /// deletekAnalysisValue - Delete analysis info associated with value V. + /// deleteAnalysisValue - Delete analysis info associated with value V. virtual void deleteAnalysisValue(Value *V, Loop *L) {} }; class LPPassManager : public FunctionPass, public PMDataManager { public: static char ID; - explicit LPPassManager(int Depth); + explicit LPPassManager(); /// run - Execute all of the passes scheduled for execution. Keep track of /// whether any of the passes modifies the module, and if so, return true. @@ -94,13 +101,16 @@ public: return "Loop Pass Manager"; } + virtual PMDataManager *getAsPMDataManager() { return this; } + virtual Pass *getAsPass() { return this; } + /// Print passes managed by this manager void dumpPassStructure(unsigned Offset); - Pass *getContainedPass(unsigned N) { + LoopPass *getContainedPass(unsigned N) { assert(N < PassVector.size() && "Pass number out of range!"); - Pass *FP = static_cast(PassVector[N]); - return FP; + LoopPass *LP = static_cast(PassVector[N]); + return LP; } virtual PassManagerType getPassManagerType() const { @@ -111,9 +121,13 @@ public: // Delete loop from the loop queue and loop nest (LoopInfo). void deleteLoopFromQueue(Loop *L); - // Insert loop into the loop nest(LoopInfo) and loop queue(LQ). + // Insert loop into the loop queue and add it as a child of the + // given parent. void insertLoop(Loop *L, Loop *ParentLoop); + // Insert a loop into the loop queue. + void insertLoopIntoQueue(Loop *L); + // Reoptimize this loop. LPPassManager will re-insert this loop into the // queue. This allows LoopPass to change loop nest for the loop. This // utility may send LPPassManager into infinite loops so use caution.