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 initializeM68kDAGToDAGISelPass(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 57