#define DEBUG_TYPE "hello"
#include "llvm/Pass.h"
#include "llvm/Function.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Streams.h"
#include "llvm/ADT/Statistic.h"
using namespace llvm;
STATISTIC(HelloCounter, "Counts number of functions greeted");
namespace {
struct Hello : public FunctionPass {
static char ID; Hello() : FunctionPass(&ID) {}
virtual bool runOnFunction(Function &F) {
HelloCounter++;
std::string fname = F.getName();
EscapeString(fname);
cerr << "Hello: " << fname << "\n";
return false;
}
};
}
char Hello::ID = 0;
static RegisterPass<Hello> X("hello", "Hello World Pass");
namespace {
struct Hello2 : public FunctionPass {
static char ID; Hello2() : FunctionPass(&ID) {}
virtual bool runOnFunction(Function &F) {
HelloCounter++;
std::string fname = F.getName();
EscapeString(fname);
cerr << "Hello: " << fname << "\n";
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
};
};
}
char Hello2::ID = 0;
static RegisterPass<Hello2>
Y("hello2", "Hello World Pass (with getAnalysisUsage implemented)");