llvm/tools/opt/NewPMDriver.h

   1 //===- NewPMDriver.h - Function to drive opt with the new PM ----*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 /// \file
   9 ///
  10 /// A single function which is called to drive the opt behavior for the new
  11 /// PassManager.
  12 ///
  13 /// This is only in a separate TU with a header to avoid including all of the
  14 /// old pass manager headers and the new pass manager headers into the same
  15 /// file. Eventually all of the routines here will get folded back into
  16 /// opt.cpp.
  17 ///
  18 //===----------------------------------------------------------------------===//
  19
  20 #ifndef LLVM_TOOLS_OPT_NEWPMDRIVER_H
  21 #define LLVM_TOOLS_OPT_NEWPMDRIVER_H
  22
  23 #include "llvm/Support/CommandLine.h"
  24
  25 namespace llvm {
  26 class StringRef;
  27 class Module;
  28 class PassPlugin;
  29 class TargetMachine;
  30 class ToolOutputFile;
  31 class TargetLibraryInfoImpl;
  32
  33 extern cl::opt<bool> DebugifyEach;
  34 extern cl::opt<std::string> DebugifyExport;
  35
  36 extern cl::opt<bool> VerifyEachDebugInfoPreserve;
  37 extern cl::opt<std::string> VerifyDIPreserveExport;
  38
  39 namespace opt_tool {
  40 enum OutputKind {
  41   OK_NoOutput,
  42   OK_OutputAssembly,
  43   OK_OutputBitcode,
  44   OK_OutputThinLTOBitcode,
  45 };
  46 enum VerifierKind { VK_NoVerifier, VK_VerifyOut, VK_VerifyEachPass };
  47 enum PGOKind {
  48   NoPGO,
  49   InstrGen,
  50   InstrUse,
  51   SampleUse
  52 };
  53 enum CSPGOKind { NoCSPGO, CSInstrGen, CSInstrUse };
  54 }
  55
  56 void printPasses(raw_ostream &OS);
  57
  58 /// Driver function to run the new pass manager over a module.
  59 ///
  60 /// This function only exists factored away from opt.cpp in order to prevent
  61 /// inclusion of the new pass manager headers and the old headers into the same
  62 /// file. It's interface is consequentially somewhat ad-hoc, but will go away
  63 /// when the transition finishes.
  64 ///
  65 /// ThinLTOLinkOut is only used when OK is OK_OutputThinLTOBitcode, and can be
  66 /// nullptr.
  67 bool runPassPipeline(StringRef Arg0, Module &M, TargetMachine *TM,
  68                      TargetLibraryInfoImpl *TLII, ToolOutputFile *Out,
  69                      ToolOutputFile *ThinLinkOut, ToolOutputFile *OptRemarkFile,
  70                      StringRef PassPipeline, ArrayRef<PassPlugin> PassPlugins,
  71                      opt_tool::OutputKind OK, opt_tool::VerifierKind VK,
  72                      bool ShouldPreserveAssemblyUseListOrder,
  73                      bool ShouldPreserveBitcodeUseListOrder,
  74                      bool EmitSummaryIndex, bool EmitModuleHash,
  75                      bool EnableDebugify, bool VerifyDIPreserve,
  76                      bool UnifiedLTO = false);
  77 } // namespace llvm
  78
  79 #endif