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/Dominators.h"
22 #include "llvm/IR/IRPrintingPasses.h"
23 #include "llvm/IR/LLVMContext.h"
24 #include "llvm/IR/Module.h"
25 #include "llvm/IR/PassManager.h"
26 #include "llvm/IR/Verifier.h"
27 #include "llvm/Support/CommandLine.h"
28 #include "llvm/Support/ErrorHandling.h"
29 #include "llvm/Support/ToolOutputFile.h"
30 #include "llvm/Target/TargetMachine.h"
33 using namespace opt_tool;
36 DebugPM("debug-pass-manager", cl::Hidden,
37 cl::desc("Print pass management debugging information"));
39 bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
40 TargetMachine *TM, tool_output_file *Out,
41 StringRef PassPipeline, OutputKind OK,
45 FunctionAnalysisManager FAM(DebugPM);
46 CGSCCAnalysisManager CGAM(DebugPM);
47 ModuleAnalysisManager MAM(DebugPM);
49 // Register all the basic analyses with the managers.
50 P.registerModuleAnalyses(MAM);
51 P.registerCGSCCAnalyses(CGAM);
52 P.registerFunctionAnalyses(FAM);
54 // Cross register the analysis managers through their proxies.
55 MAM.registerPass(FunctionAnalysisManagerModuleProxy(FAM));
56 MAM.registerPass(CGSCCAnalysisManagerModuleProxy(CGAM));
57 CGAM.registerPass(FunctionAnalysisManagerCGSCCProxy(FAM));
58 CGAM.registerPass(ModuleAnalysisManagerCGSCCProxy(MAM));
59 FAM.registerPass(CGSCCAnalysisManagerFunctionProxy(CGAM));
60 FAM.registerPass(ModuleAnalysisManagerFunctionProxy(MAM));
62 ModulePassManager MPM(DebugPM);
63 if (VK > VK_NoVerifier)
64 MPM.addPass(VerifierPass());
66 if (!P.parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass,
68 errs() << Arg0 << ": unable to parse pass pipeline description.\n";
72 if (VK > VK_NoVerifier)
73 MPM.addPass(VerifierPass());
75 // Add any relevant output pass at the end of the pipeline.
78 break; // No output pass needed.
79 case OK_OutputAssembly:
80 MPM.addPass(PrintModulePass(Out->os()));
82 case OK_OutputBitcode:
83 MPM.addPass(BitcodeWriterPass(Out->os()));
87 // Before executing passes, print the final values of the LLVM options.
88 cl::PrintOptionValues();
90 // Now that we have all of the passes ready, run them.
94 if (OK != OK_NoOutput)