1 //===- NewPMDriver.cpp - Driver for opt with new PM -----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// This file is just a split of the code that logically belongs in opt.cpp but
12 /// that includes the new pass manager headers.
14 //===----------------------------------------------------------------------===//
16 #include "NewPMDriver.h"
18 #include "llvm/ADT/StringRef.h"
19 #include "llvm/Bitcode/BitcodeWriterPass.h"
20 #include "llvm/IR/IRPrintingPasses.h"
21 #include "llvm/IR/LLVMContext.h"
22 #include "llvm/IR/Module.h"
23 #include "llvm/IR/PassManager.h"
24 #include "llvm/Support/CommandLine.h"
25 #include "llvm/Support/ErrorHandling.h"
26 #include "llvm/Support/ToolOutputFile.h"
29 using namespace opt_tool;
31 bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
32 tool_output_file *Out, StringRef PassPipeline,
34 ModulePassManager MPM;
35 if (!parsePassPipeline(MPM, PassPipeline)) {
36 errs() << Arg0 << ": unable to parse pass pipeline description.\n";
40 // Add any relevant output pass at the end of the pipeline.
43 break; // No output pass needed.
44 case OK_OutputAssembly:
45 MPM.addPass(PrintModulePass(Out->os()));
47 case OK_OutputBitcode:
48 MPM.addPass(BitcodeWriterPass(Out->os()));
52 // Before executing passes, print the final values of the LLVM options.
53 cl::PrintOptionValues();
55 // Now that we have all of the passes ready, run them.
59 if (OK != OK_NoOutput)