llvm/lib/Target/X86/MCTargetDesc/X86EncodingOptimization.h

   1 //===-- X86EncodingOptimization.h - X86 Encoding optimization ---*- 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 // This file contains the declarations of the X86 encoding optimization
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_X86_X86ENCODINGOPTIMIZATION_H
  14 #define LLVM_LIB_TARGET_X86_X86ENCODINGOPTIMIZATION_H
  15 namespace llvm {
  16 class MCInst;
  17 class MCInstrDesc;
  18 namespace X86 {
  19 bool optimizeInstFromVEX3ToVEX2(MCInst &MI, const MCInstrDesc &Desc);
  20 bool optimizeShiftRotateWithImmediateOne(MCInst &MI);
  21 bool optimizeVPCMPWithImmediateOneOrSix(MCInst &MI);
  22 bool optimizeMOVSX(MCInst &MI);
  23 bool optimizeINCDEC(MCInst &MI, bool In64BitMode);
  24 bool optimizeMOV(MCInst &MI, bool In64BitMode);
  25 bool optimizeToFixedRegisterOrShortImmediateForm(MCInst &MI);
  26 unsigned getOpcodeForShortImmediateForm(unsigned Opcode);
  27 unsigned getOpcodeForLongImmediateForm(unsigned Opcode);
  28 } // namespace X86
  29 } // namespace llvm
  30 #endif