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/Analysis/CGSCCPassManager.h"
20 #include "llvm/Bitcode/BitcodeWriterPass.h"
21 #include "llvm/IR/IRPrintingPasses.h"
22 #include "llvm/IR/LLVMContext.h"
23 #include "llvm/IR/Module.h"
24 #include "llvm/IR/PassManager.h"
25 #include "llvm/IR/Verifier.h"
26 #include "llvm/Support/CommandLine.h"
27 #include "llvm/Support/ErrorHandling.h"
28 #include "llvm/Support/ToolOutputFile.h"
31 using namespace opt_tool;
33 bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
34 tool_output_file *Out, StringRef PassPipeline,
35 OutputKind OK, VerifierKind VK) {
36 FunctionAnalysisManager FAM;
37 CGSCCAnalysisManager CGAM;
38 ModuleAnalysisManager MAM;
40 // Register all the basic analyses with the managers.
41 registerModuleAnalyses(MAM);
42 registerCGSCCAnalyses(CGAM);
43 registerFunctionAnalyses(FAM);
45 // Cross register the analysis managers through their proxies.
46 MAM.registerPass(FunctionAnalysisManagerModuleProxy(FAM));
47 MAM.registerPass(CGSCCAnalysisManagerModuleProxy(CGAM));
48 CGAM.registerPass(FunctionAnalysisManagerCGSCCProxy(FAM));
49 CGAM.registerPass(ModuleAnalysisManagerCGSCCProxy(MAM));
50 FAM.registerPass(CGSCCAnalysisManagerFunctionProxy(CGAM));
51 FAM.registerPass(ModuleAnalysisManagerFunctionProxy(MAM));
53 ModulePassManager MPM;
54 if (VK > VK_NoVerifier)
55 MPM.addPass(VerifierPass());
57 if (!parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass)) {
58 errs() << Arg0 << ": unable to parse pass pipeline description.\n";
62 if (VK > VK_NoVerifier)
63 MPM.addPass(VerifierPass());
65 // Add any relevant output pass at the end of the pipeline.
68 break; // No output pass needed.
69 case OK_OutputAssembly:
70 MPM.addPass(PrintModulePass(Out->os()));
72 case OK_OutputBitcode:
73 MPM.addPass(BitcodeWriterPass(Out->os()));
77 // Before executing passes, print the final values of the LLVM options.
78 cl::PrintOptionValues();
80 // Now that we have all of the passes ready, run them.
84 if (OK != OK_NoOutput)