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//===--- IRPrintingPasses.cpp - Module and Function printing passes -------===//
//
// 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/IR/IRPrintingPasses.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/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 {
std::string Banner;
raw_ostream *Out;
bool DeleteStream;
public:
static char ID;
PrintModulePass() : ModulePass(ID), Out(&dbgs()), DeleteStream(false) {}
PrintModulePass(const std::string &B, raw_ostream *o, bool DS)
: ModulePass(ID), Banner(B), Out(o), DeleteStream(DS) {}
~PrintModulePass() {
if (DeleteStream)
delete Out;
}
bool runOnModule(Module &M) {
(*Out) << Banner << M;
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
};
class PrintFunctionPass : public FunctionPass {
std::string Banner;
raw_ostream *Out;
bool DeleteStream;
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) {}
~PrintFunctionPass() {
if (DeleteStream)
delete Out;
}
// 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();
}
};
class PrintBasicBlockPass : public BasicBlockPass {
std::string Banner;
raw_ostream *Out;
bool DeleteStream;
public:
static char ID;
PrintBasicBlockPass()
: BasicBlockPass(ID), Out(&dbgs()), DeleteStream(false) {}
PrintBasicBlockPass(const std::string &B, raw_ostream *o, bool DS)
: BasicBlockPass(ID), Banner(B), Out(o), DeleteStream(DS) {}
~PrintBasicBlockPass() {
if (DeleteStream)
delete Out;
}
bool runOnBasicBlock(BasicBlock &BB) {
(*Out) << Banner << BB;
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
};
}
char PrintModulePass::ID = 0;
INITIALIZE_PASS(PrintModulePass, "print-module", "Print module to stderr",
false, false)
char PrintFunctionPass::ID = 0;
INITIALIZE_PASS(PrintFunctionPass, "print-function", "Print function to stderr",
false, false)
char PrintBasicBlockPass::ID = 0;
INITIALIZE_PASS(PrintBasicBlockPass, "print-bb", "Print BB to stderr", false,
false)
ModulePass *llvm::createPrintModulePass(llvm::raw_ostream *OS,
bool DeleteStream,
const std::string &Banner) {
return new PrintModulePass(Banner, OS, DeleteStream);
}
FunctionPass *llvm::createPrintFunctionPass(const std::string &Banner,
llvm::raw_ostream *OS,
bool DeleteStream) {
return new PrintFunctionPass(Banner, OS, DeleteStream);
}
BasicBlockPass *llvm::createPrintBasicBlockPass(llvm::raw_ostream *OS,
bool DeleteStream,
const std::string &Banner) {
return new PrintBasicBlockPass(Banner, OS, DeleteStream);
}
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