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;
34 DebugPM("debug-pass-manager", cl::Hidden,
35 cl::desc("Print pass management debugging information"));
37 bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
38 tool_output_file *Out, StringRef PassPipeline,
39 OutputKind OK, VerifierKind VK) {
40 FunctionAnalysisManager FAM(DebugPM);
41 CGSCCAnalysisManager CGAM(DebugPM);
42 ModuleAnalysisManager MAM(DebugPM);
44 // Register all the basic analyses with the managers.
45 registerModuleAnalyses(MAM);
46 registerCGSCCAnalyses(CGAM);
47 registerFunctionAnalyses(FAM);
49 // Cross register the analysis managers through their proxies.
50 MAM.registerPass(FunctionAnalysisManagerModuleProxy(FAM));
51 MAM.registerPass(CGSCCAnalysisManagerModuleProxy(CGAM));
52 CGAM.registerPass(FunctionAnalysisManagerCGSCCProxy(FAM));
53 CGAM.registerPass(ModuleAnalysisManagerCGSCCProxy(MAM));
54 FAM.registerPass(CGSCCAnalysisManagerFunctionProxy(CGAM));
55 FAM.registerPass(ModuleAnalysisManagerFunctionProxy(MAM));
57 ModulePassManager MPM(DebugPM);
58 if (VK > VK_NoVerifier)
59 MPM.addPass(VerifierPass());
61 if (!parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass, DebugPM)) {
62 errs() << Arg0 << ": unable to parse pass pipeline description.\n";
66 if (VK > VK_NoVerifier)
67 MPM.addPass(VerifierPass());
69 // Add any relevant output pass at the end of the pipeline.
72 break; // No output pass needed.
73 case OK_OutputAssembly:
74 MPM.addPass(PrintModulePass(Out->os()));
76 case OK_OutputBitcode:
77 MPM.addPass(BitcodeWriterPass(Out->os()));
81 // Before executing passes, print the final values of the LLVM options.
82 cl::PrintOptionValues();
84 // Now that we have all of the passes ready, run them.
88 if (OK != OK_NoOutput)