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//===- NewPMDriver.cpp - Driver for opt with new PM -----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This file is just a split of the code that logically belongs in opt.cpp but
/// that includes the new pass manager headers.
///
//===----------------------------------------------------------------------===//
#include "NewPMDriver.h"
#include "Passes.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Analysis/LazyCallGraph.h"
#include "llvm/Bitcode/BitcodeWriterPass.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ToolOutputFile.h"
using namespace llvm;
using namespace opt_tool;
bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
tool_output_file *Out, StringRef PassPipeline,
OutputKind OK, VerifierKind VK) {
FunctionAnalysisManager FAM;
ModuleAnalysisManager MAM;
// FIXME: Lift this registration of analysis passes into a .def file adjacent
// to the one used to associate names with passes.
MAM.registerPass(LazyCallGraphAnalysis());
// Cross register the analysis managers through their proxies.
MAM.registerPass(FunctionAnalysisManagerModuleProxy(FAM));
FAM.registerPass(ModuleAnalysisManagerFunctionProxy(MAM));
ModulePassManager MPM;
if (VK > VK_NoVerifier)
MPM.addPass(VerifierPass());
if (!parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass)) {
errs() << Arg0 << ": unable to parse pass pipeline description.\n";
return false;
}
if (VK > VK_NoVerifier)
MPM.addPass(VerifierPass());
// Add any relevant output pass at the end of the pipeline.
switch (OK) {
case OK_NoOutput:
break; // No output pass needed.
case OK_OutputAssembly:
MPM.addPass(PrintModulePass(Out->os()));
break;
case OK_OutputBitcode:
MPM.addPass(BitcodeWriterPass(Out->os()));
break;
}
// Before executing passes, print the final values of the LLVM options.
cl::PrintOptionValues();
// Now that we have all of the passes ready, run them.
MPM.run(&M, &MAM);
// Declare success.
if (OK != OK_NoOutput)
Out->keep();
return true;
}
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