llvm/lib/Target/M68k/M68k.h

   1 //===-- M68k.h - Top-level interface for M68k representation ----*- 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 ///
   9 /// \file
  10 /// This file contains the entry points for global functions defined in the
  11 /// M68k target library, as used by the LLVM JIT.
  12 ///
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_LIB_TARGET_M68K_M68K_H
  16 #define LLVM_LIB_TARGET_M68K_M68K_H
  17
  18 namespace llvm {
  19
  20 class FunctionPass;
  21 class InstructionSelector;
  22 class M68kRegisterBankInfo;
  23 class M68kSubtarget;
  24 class M68kTargetMachine;
  25 class PassRegistry;
  26
  27 /// This pass converts a legalized DAG into a M68k-specific DAG, ready for
  28 /// instruction scheduling.
  29 FunctionPass *createM68kISelDag(M68kTargetMachine &TM);
  30
  31 /// Return a Machine IR pass that expands M68k-specific pseudo
  32 /// instructions into a sequence of actual instructions. This pass
  33 /// must run after prologue/epilogue insertion and before lowering
  34 /// the MachineInstr to MC.
  35 FunctionPass *createM68kExpandPseudoPass();
  36
  37 /// This pass initializes a global base register for PIC on M68k.
  38 FunctionPass *createM68kGlobalBaseRegPass();
  39
  40 /// Finds sequential MOVEM instruction and collapse them into a single one. This
  41 /// pass has to be run after all pseudo expansions and prologue/epilogue
  42 /// emission so that all possible MOVEM are already in place.
  43 FunctionPass *createM68kCollapseMOVEMPass();
  44
  45 InstructionSelector *
  46 createM68kInstructionSelector(const M68kTargetMachine &, const M68kSubtarget &,
  47                               const M68kRegisterBankInfo &);
  48
  49 void initializeM68kDAGToDAGISelLegacyPass(PassRegistry &);
  50 void initializeM68kExpandPseudoPass(PassRegistry &);
  51 void initializeM68kGlobalBaseRegPass(PassRegistry &);
  52 void initializeM68kCollapseMOVEMPass(PassRegistry &);
  53
  54 } // namespace llvm
  55
  56 #endif // LLVM_LIB_TARGET_M68K_M68K_H