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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/IR/PassManager.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
PrintModulePass::PrintModulePass() : OS(dbgs()) {}
PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner,
bool ShouldPreserveUseListOrder)
: OS(OS), Banner(Banner),
ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {}
PreservedAnalyses PrintModulePass::run(Module &M) {
OS << Banner;
M.print(OS, nullptr, ShouldPreserveUseListOrder);
return PreservedAnalyses::all();
}
PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {}
PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner)
: OS(OS), Banner(Banner) {}
PreservedAnalyses PrintFunctionPass::run(Function &F) {
OS << Banner << static_cast<Value &>(F);
return PreservedAnalyses::all();
}
namespace {
class PrintModulePassWrapper : public ModulePass {
PrintModulePass P;
public:
static char ID;
PrintModulePassWrapper() : ModulePass(ID) {}
PrintModulePassWrapper(raw_ostream &OS, const std::string &Banner,
bool ShouldPreserveUseListOrder)
: ModulePass(ID), P(OS, Banner, ShouldPreserveUseListOrder) {}
bool runOnModule(Module &M) override {
P.run(M);
return false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
class PrintFunctionPassWrapper : public FunctionPass {
PrintFunctionPass P;
public:
static char ID;
PrintFunctionPassWrapper() : FunctionPass(ID) {}
PrintFunctionPassWrapper(raw_ostream &OS, const std::string &Banner)
: FunctionPass(ID), P(OS, Banner) {}
// This pass just prints a banner followed by the function as it's processed.
bool runOnFunction(Function &F) override {
P.run(F);
return false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
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) override {
Out << Banner << BB;
return false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
}
char PrintModulePassWrapper::ID = 0;
INITIALIZE_PASS(PrintModulePassWrapper, "print-module",
"Print module to stderr", false, false)
char PrintFunctionPassWrapper::ID = 0;
INITIALIZE_PASS(PrintFunctionPassWrapper, "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,
bool ShouldPreserveUseListOrder) {
return new PrintModulePassWrapper(OS, Banner, ShouldPreserveUseListOrder);
}
FunctionPass *llvm::createPrintFunctionPass(llvm::raw_ostream &OS,
const std::string &Banner) {
return new PrintFunctionPassWrapper(OS, Banner);
}
BasicBlockPass *llvm::createPrintBasicBlockPass(llvm::raw_ostream &OS,
const std::string &Banner) {
return new PrintBasicBlockPass(OS, Banner);
}
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