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/ADT/ArrayRef.h"
  24 #include "llvm/Support/CommandLine.h"
  25
  26 namespace llvm {
  27 class StringRef;
  28 class Module;
  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 namespace opt_tool {
  37 enum OutputKind {
  38   OK_NoOutput,
  39   OK_OutputAssembly,
  40   OK_OutputBitcode,
  41   OK_OutputThinLTOBitcode,
  42 };
  43 enum VerifierKind {
  44   VK_NoVerifier,
  45   VK_VerifyInAndOut,
  46   VK_VerifyEachPass
  47 };
  48 enum PGOKind {
  49   NoPGO,
  50   InstrGen,
  51   InstrUse,
  52   SampleUse
  53 };
  54 enum CSPGOKind { NoCSPGO, CSInstrGen, CSInstrUse };
  55 }
  56
  57 void printPasses(raw_ostream &OS);
  58
  59 /// Driver function to run the new pass manager over a module.
  60 ///
  61 /// This function only exists factored away from opt.cpp in order to prevent
  62 /// inclusion of the new pass manager headers and the old headers into the same
  63 /// file. It's interface is consequentially somewhat ad-hoc, but will go away
  64 /// when the transition finishes.
  65 ///
  66 /// ThinLTOLinkOut is only used when OK is OK_OutputThinLTOBitcode, and can be
  67 /// nullptr.
  68 bool runPassPipeline(StringRef Arg0, Module &M, TargetMachine *TM,
  69                      TargetLibraryInfoImpl *TLII, ToolOutputFile *Out,
  70                      ToolOutputFile *ThinLinkOut, ToolOutputFile *OptRemarkFile,
  71                      StringRef PassPipeline, ArrayRef<StringRef> PassInfos,
  72                      opt_tool::OutputKind OK, opt_tool::VerifierKind VK,
  73                      bool ShouldPreserveAssemblyUseListOrder,
  74                      bool ShouldPreserveBitcodeUseListOrder,
  75                      bool EmitSummaryIndex, bool EmitModuleHash,
  76                      bool EnableDebugify);
  77 } // namespace llvm
  78
  79 #endif