mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-18 12:29:27 +00:00
844731a7f1
several things that were neither in an anonymous namespace nor static but not intended to be global. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
//===-- InstCount.cpp - Collects the count of all instructions ------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#define DEBUG_TYPE "instcount"
|
|
#include "llvm/Analysis/Passes.h"
|
|
#include "llvm/Pass.h"
|
|
#include "llvm/Function.h"
|
|
#include "llvm/Support/Compiler.h"
|
|
#include "llvm/Support/InstVisitor.h"
|
|
#include "llvm/Support/Streams.h"
|
|
#include "llvm/ADT/Statistic.h"
|
|
#include <ostream>
|
|
using namespace llvm;
|
|
|
|
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, "Number of " #OPCODE " insts");
|
|
|
|
#include "llvm/Instruction.def"
|
|
|
|
|
|
namespace {
|
|
class VISIBILITY_HIDDEN InstCount
|
|
: public FunctionPass, public InstVisitor<InstCount> {
|
|
friend class InstVisitor<InstCount>;
|
|
|
|
void visitFunction (Function &F) { ++TotalFuncs; }
|
|
void visitBasicBlock(BasicBlock &BB) { ++TotalBlocks; }
|
|
|
|
#define HANDLE_INST(N, OPCODE, CLASS) \
|
|
void visit##OPCODE(CLASS &) { ++Num##OPCODE##Inst; ++TotalInsts; }
|
|
|
|
#include "llvm/Instruction.def"
|
|
|
|
void visitInstruction(Instruction &I) {
|
|
cerr << "Instruction Count does not know about " << I;
|
|
abort();
|
|
}
|
|
public:
|
|
static char ID; // Pass identification, replacement for typeid
|
|
InstCount() : FunctionPass((intptr_t)&ID) {}
|
|
|
|
virtual bool runOnFunction(Function &F);
|
|
|
|
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
|
|
AU.setPreservesAll();
|
|
}
|
|
virtual void print(std::ostream &O, const Module *M) const {}
|
|
|
|
};
|
|
}
|
|
|
|
char InstCount::ID = 0;
|
|
static RegisterPass<InstCount>
|
|
X("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;
|
|
visit(F);
|
|
unsigned EndMemInsts =
|
|
NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst +
|
|
NumInvokeInst + NumAllocaInst + NumMallocInst + NumFreeInst;
|
|
TotalMemInst += EndMemInsts-StartMemInsts;
|
|
return false;
|
|
}
|