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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 {
raw_ostream &Out;
std::string Banner;
public:
static char ID;
PrintModulePass() : ModulePass(ID), Out(dbgs()) {}
PrintModulePass(raw_ostream &Out, const std::string &Banner)
: ModulePass(ID), Out(Out), Banner(Banner) {}
bool runOnModule(Module &M) {
Out << Banner << M;
return false;
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
};
class PrintFunctionPass : public FunctionPass {
raw_ostream &Out;
std::string Banner;
public:
static char ID;
PrintFunctionPass() : FunctionPass(ID), Out(dbgs()) {}
PrintFunctionPass(raw_ostream &Out, const std::string &Banner)
: FunctionPass(ID), Out(Out), Banner(Banner) {}
// 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 {
raw_ostream &Out;
std::string Banner;
public:
static char ID;
PrintBasicBlockPass() : BasicBlockPass(ID), Out(dbgs()) {}
PrintBasicBlockPass(raw_ostream &Out, const std::string &Banner)
: BasicBlockPass(ID), Out(Out), Banner(Banner) {}
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,
const std::string &Banner) {
return new PrintModulePass(OS, Banner);
}
FunctionPass *llvm::createPrintFunctionPass(llvm::raw_ostream &OS,
const std::string &Banner) {
return new PrintFunctionPass(OS, Banner);
}
BasicBlockPass *llvm::createPrintBasicBlockPass(llvm::raw_ostream &OS,
const std::string &Banner) {
return new PrintBasicBlockPass(OS, Banner);
}
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