X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FInstCount.cpp;h=3b385d26ba3c07245a6cdfcce01b18ac86a167ee;hb=009da05e750b7bac7e1902fcdc85394de4ea63b3;hp=12d16b081e7b3db6b4b383e92f1e14405c3b054e;hpb=551ccae044b0ff658fe629dd67edd5ffe75d10e8;p=oota-llvm.git diff --git a/lib/Analysis/InstCount.cpp b/lib/Analysis/InstCount.cpp index 12d16b081e7..3b385d26ba3 100644 --- a/lib/Analysis/InstCount.cpp +++ b/lib/Analysis/InstCount.cpp @@ -1,33 +1,39 @@ //===-- InstCount.cpp - Collects the count of all instructions ------------===// -// +// // 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. +// //===----------------------------------------------------------------------===// // -// This pass collects the count of all instructions and reports them +// This pass collects the count of all instructions and reports them // //===----------------------------------------------------------------------===// +#define DEBUG_TYPE "instcount" +#include "llvm/Analysis/Passes.h" #include "llvm/Pass.h" #include "llvm/Function.h" +#include "llvm/Support/Debug.h" +#include "llvm/Support/ErrorHandling.h" #include "llvm/Support/InstVisitor.h" +#include "llvm/Support/raw_ostream.h" #include "llvm/ADT/Statistic.h" +using namespace llvm; -namespace llvm { - -namespace { - Statistic<> TotalInsts ("instcount", "Number of instructions (of all types)"); - Statistic<> TotalBlocks("instcount", "Number of basic blocks"); - Statistic<> TotalFuncs ("instcount", "Number of non-external functions"); +STATISTIC(TotalInsts , "Number of instructions (of all types)"); +STATISTIC(TotalBlocks, "Number of basic blocks"); +STATISTIC(TotalFuncs , "Number of non-external functions"); +STATISTIC(TotalMemInst, "Number of memory instructions"); #define HANDLE_INST(N, OPCODE, CLASS) \ - Statistic<> Num##OPCODE##Inst("instcount", "Number of " #OPCODE " insts"); + STATISTIC(Num ## OPCODE ## Inst, "Number of " #OPCODE " insts"); #include "llvm/Instruction.def" + +namespace { class InstCount : public FunctionPass, public InstVisitor { friend class InstVisitor; @@ -40,29 +46,42 @@ namespace { #include "llvm/Instruction.def" void visitInstruction(Instruction &I) { - std::cerr << "Instruction Count does not know about " << I; - abort(); + errs() << "Instruction Count does not know about " << I; + llvm_unreachable(0); } public: + static char ID; // Pass identification, replacement for typeid + InstCount() : FunctionPass(ID) { + initializeInstCountPass(*PassRegistry::getPassRegistry()); + } + virtual bool runOnFunction(Function &F); virtual void getAnalysisUsage(AnalysisUsage &AU) const { AU.setPreservesAll(); } - virtual void print(std::ostream &O, const Module *M) const {} + virtual void print(raw_ostream &O, const Module *M) const {} }; - - RegisterAnalysis X("instcount", - "Counts the various types of Instructions"); } +char InstCount::ID = 0; +INITIALIZE_PASS(InstCount, "instcount", + "Counts the various types of Instructions", false, true) + +FunctionPass *llvm::createInstCountPass() { return new InstCount(); } + // InstCount::run - This is the main Analysis entry point for a // function. // bool InstCount::runOnFunction(Function &F) { + unsigned StartMemInsts = + NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst + + NumInvokeInst + NumAllocaInst; visit(F); + unsigned EndMemInsts = + NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst + + NumInvokeInst + NumAllocaInst; + TotalMemInst += EndMemInsts-StartMemInsts; return false; } - -} // End llvm namespace