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"
17 #include "llvm/ADT/StringRef.h"
18 #include "llvm/Analysis/CGSCCPassManager.h"
19 #include "llvm/Bitcode/BitcodeWriterPass.h"
20 #include "llvm/IR/Dominators.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/Passes/PassBuilder.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,
43 bool ShouldPreserveBitcodeUseListOrder) {
46 FunctionAnalysisManager FAM(DebugPM);
47 CGSCCAnalysisManager CGAM(DebugPM);
48 ModuleAnalysisManager MAM(DebugPM);
50 // Register all the basic analyses with the managers.
51 PB.registerModuleAnalyses(MAM);
52 PB.registerCGSCCAnalyses(CGAM);
53 PB.registerFunctionAnalyses(FAM);
55 // Cross register the analysis managers through their proxies.
56 MAM.registerPass(FunctionAnalysisManagerModuleProxy(FAM));
57 MAM.registerPass(CGSCCAnalysisManagerModuleProxy(CGAM));
58 CGAM.registerPass(FunctionAnalysisManagerCGSCCProxy(FAM));
59 CGAM.registerPass(ModuleAnalysisManagerCGSCCProxy(MAM));
60 FAM.registerPass(CGSCCAnalysisManagerFunctionProxy(CGAM));
61 FAM.registerPass(ModuleAnalysisManagerFunctionProxy(MAM));
63 ModulePassManager MPM(DebugPM);
64 if (VK > VK_NoVerifier)
65 MPM.addPass(VerifierPass());
67 if (!PB.parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass,
69 errs() << Arg0 << ": unable to parse pass pipeline description.\n";
73 if (VK > VK_NoVerifier)
74 MPM.addPass(VerifierPass());
76 // Add any relevant output pass at the end of the pipeline.
79 break; // No output pass needed.
80 case OK_OutputAssembly:
81 MPM.addPass(PrintModulePass(Out->os()));
83 case OK_OutputBitcode:
85 BitcodeWriterPass(Out->os(), ShouldPreserveBitcodeUseListOrder));
89 // Before executing passes, print the final values of the LLVM options.
90 cl::PrintOptionValues();
92 // Now that we have all of the passes ready, run them.
96 if (OK != OK_NoOutput)