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/IR/Verifier.h"
25 #include "llvm/Support/CommandLine.h"
26 #include "llvm/Support/ErrorHandling.h"
27 #include "llvm/Support/ToolOutputFile.h"
30 using namespace opt_tool;
32 bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
33 tool_output_file *Out, StringRef PassPipeline,
34 OutputKind OK, VerifierKind VK) {
35 FunctionAnalysisManager FAM;
36 ModuleAnalysisManager MAM;
38 // FIXME: Lift this registration of analysis passes into a .def file adjacent
39 // to the one used to associate names with passes.
40 MAM.registerPass(LazyCallGraphAnalysis());
42 // Cross register the analysis managers through their proxies.
43 MAM.registerPass(FunctionAnalysisManagerModuleProxy(FAM));
44 FAM.registerPass(ModuleAnalysisManagerFunctionProxy(MAM));
46 ModulePassManager MPM;
47 if (VK > VK_NoVerifier)
48 MPM.addPass(VerifierPass());
50 if (!parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass)) {
51 errs() << Arg0 << ": unable to parse pass pipeline description.\n";
55 if (VK > VK_NoVerifier)
56 MPM.addPass(VerifierPass());
58 // Add any relevant output pass at the end of the pipeline.
61 break; // No output pass needed.
62 case OK_OutputAssembly:
63 MPM.addPass(PrintModulePass(Out->os()));
65 case OK_OutputBitcode:
66 MPM.addPass(BitcodeWriterPass(Out->os()));
70 // Before executing passes, print the final values of the LLVM options.
71 cl::PrintOptionValues();
73 // Now that we have all of the passes ready, run them.
77 if (OK != OK_NoOutput)