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