1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef MAPLEBE_INCLUDE_CG_X64_X64_OPTIMIZE_COMMON_H 17 #define MAPLEBE_INCLUDE_CG_X64_X64_OPTIMIZE_COMMON_H 18 19 #include "x64_isa.h" 20 #include "optimize_common.h" 21 22 namespace maplebe { 23 using namespace maple; 24 25 class X64InsnVisitor : public InsnVisitor { 26 public: X64InsnVisitor(CGFunc & func)27 explicit X64InsnVisitor(CGFunc &func) : InsnVisitor(func) {} 28 29 ~X64InsnVisitor() = default; 30 31 void ModifyJumpTarget(LabelIdx targetLabel, BB &bb) override; 32 void ModifyJumpTarget(Operand &targetOperand, BB &bb) override; 33 void ModifyJumpTarget(BB &newTarget, BB &bb) override; 34 /* Check if it requires to add extra gotos when relocate bb */ 35 Insn *CloneInsn(Insn &originalInsn) override; 36 LabelIdx GetJumpLabel(const Insn &insn) const override; 37 bool IsCompareInsn(const Insn &insn) const override; 38 bool IsCompareAndBranchInsn(const Insn &insn) const override; 39 bool IsTestAndSetCCInsn(const Insn &insn) const override; 40 bool IsTestAndBranchInsn(const Insn &insn) const override; 41 bool IsAddOrSubInsn(const Insn &insn) const override; 42 bool IsSimpleJumpInsn(const Insn &insn) const override; 43 RegOperand *CreateVregFromReg(const RegOperand &pReg) override; 44 void ReTargetSuccBB(BB &bb, LabelIdx newTarget) const override; 45 void FlipIfBB(BB &bb, LabelIdx ftLabel) const override; 46 BB *CreateGotoBBAfterCondBB(BB &bb, BB &fallthru, bool isTargetFallthru) const override; 47 void ModifyFathruBBToGotoBB(BB &bb, LabelIdx labelIdx) const override; 48 }; 49 } /* namespace maplebe */ 50 51 #endif /* MAPLEBE_INCLUDE_CG_X64_X64_OPTIMIZE_COMMON_H */ 52