1 //===- NewPMDriver.cpp - Driver for opt with new PM -----------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 /// \file
10 ///
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.
13 ///
14 //===----------------------------------------------------------------------===//
15
16 #include "NewPMDriver.h"
17 #include "Passes.h"
18 #include "llvm/ADT/StringRef.h"
19 #include "llvm/Analysis/CGSCCPassManager.h"
20 #include "llvm/Analysis/LazyCallGraph.h"
21 #include "llvm/Bitcode/BitcodeWriterPass.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
31 using namespace llvm;
32 using namespace opt_tool;
33
runPassPipeline(StringRef Arg0,LLVMContext & Context,Module & M,tool_output_file * Out,StringRef PassPipeline,OutputKind OK,VerifierKind VK)34 bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
35 tool_output_file *Out, StringRef PassPipeline,
36 OutputKind OK, VerifierKind VK) {
37 FunctionAnalysisManager FAM;
38 CGSCCAnalysisManager CGAM;
39 ModuleAnalysisManager MAM;
40
41 #define MODULE_ANALYSIS(NAME, CREATE_PASS) \
42 MAM.registerPass(CREATE_PASS);
43 #include "PassRegistry.def"
44
45 #define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
46 CGAM.registerPass(CREATE_PASS);
47 #include "PassRegistry.def"
48
49 #define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
50 FAM.registerPass(CREATE_PASS);
51 #include "PassRegistry.def"
52
53 // Cross register the analysis managers through their proxies.
54 MAM.registerPass(FunctionAnalysisManagerModuleProxy(FAM));
55 MAM.registerPass(CGSCCAnalysisManagerModuleProxy(CGAM));
56 CGAM.registerPass(FunctionAnalysisManagerCGSCCProxy(FAM));
57 CGAM.registerPass(ModuleAnalysisManagerCGSCCProxy(MAM));
58 FAM.registerPass(CGSCCAnalysisManagerFunctionProxy(CGAM));
59 FAM.registerPass(ModuleAnalysisManagerFunctionProxy(MAM));
60
61 ModulePassManager MPM;
62 if (VK > VK_NoVerifier)
63 MPM.addPass(VerifierPass());
64
65 if (!parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass)) {
66 errs() << Arg0 << ": unable to parse pass pipeline description.\n";
67 return false;
68 }
69
70 if (VK > VK_NoVerifier)
71 MPM.addPass(VerifierPass());
72
73 // Add any relevant output pass at the end of the pipeline.
74 switch (OK) {
75 case OK_NoOutput:
76 break; // No output pass needed.
77 case OK_OutputAssembly:
78 MPM.addPass(PrintModulePass(Out->os()));
79 break;
80 case OK_OutputBitcode:
81 MPM.addPass(BitcodeWriterPass(Out->os()));
82 break;
83 }
84
85 // Before executing passes, print the final values of the LLVM options.
86 cl::PrintOptionValues();
87
88 // Now that we have all of the passes ready, run them.
89 MPM.run(&M, &MAM);
90
91 // Declare success.
92 if (OK != OK_NoOutput)
93 Out->keep();
94 return true;
95 }
96