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Gives the count for various instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4706 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dinakar Dhurjati
parent
586aa3c801
commit
e555460e4e
189
lib/Analysis/InstCount.cpp
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189
lib/Analysis/InstCount.cpp
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//===-- InstCount.cpp - Collects the count of all instructions ------------===//
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//
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// This pass collects the count of all instructions and reports them
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//
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Pass.h"
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#include "llvm/Module.h"
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#include "llvm/iMemory.h"
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#include "llvm/iTerminators.h"
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#include "llvm/iPHINode.h"
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#include "llvm/iOther.h"
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#include "llvm/iOperators.h"
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#include "llvm/Support/InstVisitor.h"
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#include "llvm/Support/InstIterator.h"
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#include "llvm/Support/InstIterator.h"
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#include "Support/Statistic.h"
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#include <algorithm>
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namespace {
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static Statistic<> NumReturnInst("instcount","Number of ReturnInsts");
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static Statistic<> NumBranchInst("instcount", "Number of BranchInsts");
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static Statistic<> NumPHINode("instcount", "Number of PHINodes");
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static Statistic<> NumCastInst("instcount", "Number of CastInsts");
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static Statistic<> NumCallInst("instcount", "Number of CallInsts");
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static Statistic<> NumMallocInst("instcount", "Number of MallocInsts");
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static Statistic<> NumAllocaInst("instcount", "Number of AllocaInsts");
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static Statistic<> NumFreeInst("instcount", "Number of FreeInsts");
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static Statistic<> NumLoadInst("instcount", "Number of LoadInsts");
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static Statistic<> NumStoreInst("instcount", "Number of StoreInsts");
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static Statistic<> NumGetElementPtrInst("instcount",
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"Number of GetElementPtrInsts");
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static Statistic<> NumSwitchInst("instcount", "Number of SwitchInsts");
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static Statistic<> NumInvokeInst("instcount", "Number of InvokeInsts");
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static Statistic<> NumBinaryOperator("instcount",
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"Total Number of BinaryOperators");
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static Statistic<> NumShiftInst("instcount", " Total Number of ShiftInsts");
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static Statistic<> NumShlInst("instcount", "Number of Left ShiftInsts");
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static Statistic<> NumShrInst("instcount", "Number of Right ShiftInsts");
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static Statistic<> NumAddInst("instcount", "Number of AddInsts");
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static Statistic<> NumSubInst("instcount", "Number of SubInsts");
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static Statistic<> NumMulInst("instcount", "Number of MulInsts");
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static Statistic<> NumDivInst("instcount", "Number of DivInsts");
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static Statistic<> NumRemInst("instcount", "Number of RemInsts");
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static Statistic<> NumAndInst("instcount", "Number of AndInsts");
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static Statistic<> NumOrInst("instcount", "Number of OrInsts");
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static Statistic<> NumXorInst("instcount", "Number of XorInsts");
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static Statistic<> NumSetCondInst("instcount", "Total Number of SetCondInsts");
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static Statistic<> NumSetEQInst("instcount", "Number of SetEQInsts");
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static Statistic<> NumSetNEInst("instcount", "Number of SetNEInsts");
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static Statistic<> NumSetLEInst("instcount", "Number of SetLEInsts");
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static Statistic<> NumSetGEInst("instcount", "Number of SetGEInsts");
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static Statistic<> NumSetLTInst("instcount", "Number of SetLTInsts");
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static Statistic<> NumSetGTInst("instcount", "Number of SetGTInsts");
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class InstCount : public Pass, public InstVisitor<InstCount> {
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private:
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friend class InstVisitor<InstCount>;
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void visitBinaryOperator(BinaryOperator &I);
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void visitShiftInst(ShiftInst &I);
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void visitSetCondInst(SetCondInst &I);
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inline void visitSwitchInst(SwitchInst &I) { NumSwitchInst++; }
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inline void visitInvokeInst(InvokeInst &I) { NumInvokeInst++; }
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inline void visitReturnInst(ReturnInst &I) { NumReturnInst++; }
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inline void visitBranchInst(BranchInst &I) { NumBranchInst++; }
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inline void visitPHINode(PHINode &I) { NumPHINode++; }
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inline void visitCastInst (CastInst &I) { NumCastInst++; }
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inline void visitCallInst (CallInst &I) { NumCastInst++; }
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inline void visitMallocInst(MallocInst &I) { NumMallocInst++; }
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inline void visitAllocaInst(AllocaInst &I) { NumAllocaInst++; }
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inline void visitFreeInst (FreeInst &I) { NumFreeInst++; }
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inline void visitLoadInst (LoadInst &I) { NumLoadInst++; }
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inline void visitStoreInst (StoreInst &I) { NumStoreInst++; }
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inline void visitGetElementPtrInst(GetElementPtrInst &I) {
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NumGetElementPtrInst++; }
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inline void visitInstruction(Instruction &I) {
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std::cerr << "Instruction Count does not know about " << I;
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abort();
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}
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public:
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virtual bool run(Module &M);
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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}
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};
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RegisterOpt<InstCount> X("instcount",
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"Counts the various types of Instructions");
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}
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// createInstCountPass - The public interface to this file...
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Pass *createInstCountPass() { return new InstCount(); }
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// InstCount::run - This is the main Analysis entry point for a
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// function.
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//
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bool InstCount::run(Module &M) {
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/* Initialization */
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NumReturnInst = 0;
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NumBranchInst = 0;
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NumPHINode = 0;
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NumCastInst = 0;
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NumCallInst = 0;
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NumMallocInst = 0;
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NumAllocaInst = 0;
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NumFreeInst = 0;
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NumLoadInst = 0;
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NumStoreInst = 0;
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NumGetElementPtrInst = 0;
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NumSwitchInst = 0;
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NumInvokeInst = 0;
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NumBinaryOperator = 0;
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NumShiftInst = 0;
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NumShlInst = 0;
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NumShrInst = 0;
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NumAddInst = 0;
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NumSubInst = 0;
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NumMulInst = 0;
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NumDivInst = 0;
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NumRemInst = 0;
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NumAndInst = 0;
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NumOrInst = 0;
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NumXorInst = 0;
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NumSetCondInst = 0;
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NumSetEQInst = 0;
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NumSetNEInst = 0;
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NumSetLEInst = 0;
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NumSetGEInst = 0;
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NumSetLTInst = 0;
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NumSetGTInst = 0;
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for (Module::iterator mI = M.begin(), mE = M.end(); mI != mE; ++mI)
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for (inst_iterator I = inst_begin(*mI), E = inst_end(*mI); I != E; ++I)
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visit(*I);
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return false;
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}
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void InstCount::visitBinaryOperator(BinaryOperator &I) {
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NumBinaryOperator++;
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switch (I.getOpcode()) {
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case Instruction::Add: NumAddInst++; break;
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case Instruction::Sub: NumSubInst++; break;
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case Instruction::Mul: NumMulInst++; break;
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case Instruction::Div: NumDivInst++; break;
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case Instruction::Rem: NumRemInst++; break;
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case Instruction::And: NumAndInst++; break;
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case Instruction::Or: NumOrInst++; break;
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case Instruction::Xor: NumXorInst++; break;
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default : std::cerr<< " Wrong binary operator \n";
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}
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}
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void InstCount::visitSetCondInst(SetCondInst &I) {
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NumBinaryOperator++;
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NumSetCondInst++;
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switch (I.getOpcode()) {
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case Instruction::SetEQ: NumSetEQInst++; break;
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case Instruction::SetNE: NumSetNEInst++; break;
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case Instruction::SetLE: NumSetLEInst++; break;
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case Instruction::SetGE: NumSetGEInst++; break;
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case Instruction::SetLT: NumSetLTInst++; break;
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case Instruction::SetGT: NumSetGTInst++; break;
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default : std::cerr<< " Wrong SetCond Inst \n";
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}
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}
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void InstCount::visitShiftInst(ShiftInst &I) {
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NumShiftInst++;
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switch (I.getOpcode()) {
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case Instruction::Shl: NumShlInst++; break;
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case Instruction::Shr: NumShrInst++; break;
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default : std::cerr<< " Wrong ShiftInst \n";
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}
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}
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