//===-- 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 {
- 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<> TotalMemInst("instcount", "Number of memory instructions");
+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<InstCount> {
friend class InstVisitor<InstCount>;
#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) {}
+
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<InstCount> 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 + NumMallocInst + NumFreeInst;
+ NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst +
+ NumInvokeInst + NumAllocaInst;
visit(F);
unsigned EndMemInsts =
- NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst +
- NumInvokeInst + NumAllocaInst + NumMallocInst + NumFreeInst;
+ NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst +
+ NumInvokeInst + NumAllocaInst;
TotalMemInst += EndMemInsts-StartMemInsts;
return false;
}