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//===--- VMCore/PrintModulePass.cpp - Module/Function Printer -------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// PrintModulePass and PrintFunctionPass implementations.
//
//===----------------------------------------------------------------------===//
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Function.h"
#include "llvm/Module.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
namespace {
class PrintModulePass : public ModulePass {
raw_ostream *Out; // raw_ostream to print on
bool DeleteStream; // Delete the ostream in our dtor?
public:
static char ID;
PrintModulePass() : ModulePass(&ID), Out(&dbgs()),
DeleteStream(false) {}
PrintModulePass(raw_ostream *o, bool DS)
: ModulePass(&ID), Out(o), DeleteStream(DS) {}
~PrintModulePass() {
if (DeleteStream) delete Out;
}
bool runOnModule(Module &M) {
(*Out) << M;
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
};
class PrintFunctionPass : public FunctionPass {
std::string Banner; // String to print before each function
raw_ostream *Out; // raw_ostream to print on
bool DeleteStream; // Delete the ostream in our dtor?
public:
static char ID;
PrintFunctionPass() : FunctionPass(&ID), Banner(""), Out(&dbgs()),
DeleteStream(false) {}
PrintFunctionPass(const std::string &B, raw_ostream *o, bool DS)
: FunctionPass(&ID), Banner(B), Out(o), DeleteStream(DS) {}
inline ~PrintFunctionPass() {
if (DeleteStream) delete Out;
}
// runOnFunction - This pass just prints a banner followed by the
// function as it's processed.
//
bool runOnFunction(Function &F) {
(*Out) << Banner << static_cast<Value&>(F);
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
};
}
char PrintModulePass::ID = 0;
static RegisterPass<PrintModulePass>
X("print-module", "Print module to stderr");
char PrintFunctionPass::ID = 0;
static RegisterPass<PrintFunctionPass>
Y("print-function","Print function to stderr");
/// createPrintModulePass - Create and return a pass that writes the
/// module to the specified raw_ostream.
ModulePass *llvm::createPrintModulePass(llvm::raw_ostream *OS,
bool DeleteStream) {
return new PrintModulePass(OS, DeleteStream);
}
/// createPrintFunctionPass - Create and return a pass that prints
/// functions to the specified raw_ostream as they are processed.
FunctionPass *llvm::createPrintFunctionPass(const std::string &Banner,
llvm::raw_ostream *OS,
bool DeleteStream) {
return new PrintFunctionPass(Banner, OS, DeleteStream);
}
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