tools/opt/NewPMDriver.cpp

   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
  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 }