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 18namespace llvm { 19 20class FunctionPass; 21class InstructionSelector; 22class M68kRegisterBankInfo; 23class M68kSubtarget; 24class M68kTargetMachine; 25class PassRegistry; 26 27/// This pass converts a legalized DAG into a M68k-specific DAG, ready for 28/// instruction scheduling. 29FunctionPass *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. 35FunctionPass *createM68kExpandPseudoPass(); 36 37/// This pass initializes a global base register for PIC on M68k. 38FunctionPass *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. 43FunctionPass *createM68kCollapseMOVEMPass(); 44 45InstructionSelector * 46createM68kInstructionSelector(const M68kTargetMachine &, const M68kSubtarget &, 47 const M68kRegisterBankInfo &); 48 49void initializeM68kDAGToDAGISelPass(PassRegistry &); 50void initializeM68kExpandPseudoPass(PassRegistry &); 51void initializeM68kGlobalBaseRegPass(PassRegistry &); 52void initializeM68kCollapseMOVEMPass(PassRegistry &); 53 54} // namespace llvm 55 56#endif // LLVM_LIB_TARGET_M68K_M68K_H 57