10b57cec5SDimitry Andric //===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H 140b57cec5SDimitry Andric #define LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #include "Mips.h" 170b57cec5SDimitry Andric #include "llvm/CodeGen/TargetFrameLowering.h" 180b57cec5SDimitry Andric 190b57cec5SDimitry Andric namespace llvm { 200b57cec5SDimitry Andric class MipsSubtarget; 210b57cec5SDimitry Andric 220b57cec5SDimitry Andric class MipsFrameLowering : public TargetFrameLowering { 230b57cec5SDimitry Andric protected: 240b57cec5SDimitry Andric const MipsSubtarget &STI; 250b57cec5SDimitry Andric 260b57cec5SDimitry Andric public: MipsFrameLowering(const MipsSubtarget & sti,Align Alignment)278bcb0991SDimitry Andric explicit MipsFrameLowering(const MipsSubtarget &sti, Align Alignment) 288bcb0991SDimitry Andric : TargetFrameLowering(StackGrowsDown, Alignment, 0, Alignment), STI(sti) { 298bcb0991SDimitry Andric } 300b57cec5SDimitry Andric 310b57cec5SDimitry Andric static const MipsFrameLowering *create(const MipsSubtarget &ST); 320b57cec5SDimitry Andric 330b57cec5SDimitry Andric bool hasFP(const MachineFunction &MF) const override; 340b57cec5SDimitry Andric 350b57cec5SDimitry Andric bool hasBP(const MachineFunction &MF) const; 360b57cec5SDimitry Andric allocateScavengingFrameIndexesNearIncomingSP(const MachineFunction & MF)37*4824e7fdSDimitry Andric bool allocateScavengingFrameIndexesNearIncomingSP( 38*4824e7fdSDimitry Andric const MachineFunction &MF) const override { 39*4824e7fdSDimitry Andric return false; 40*4824e7fdSDimitry Andric } 410b57cec5SDimitry Andric enableShrinkWrapping(const MachineFunction & MF)420b57cec5SDimitry Andric bool enableShrinkWrapping(const MachineFunction &MF) const override { 430b57cec5SDimitry Andric return true; 440b57cec5SDimitry Andric } 450b57cec5SDimitry Andric 460b57cec5SDimitry Andric MachineBasicBlock::iterator 470b57cec5SDimitry Andric eliminateCallFramePseudoInstr(MachineFunction &MF, 480b57cec5SDimitry Andric MachineBasicBlock &MBB, 490b57cec5SDimitry Andric MachineBasicBlock::iterator I) const override; 500b57cec5SDimitry Andric 510b57cec5SDimitry Andric protected: 520b57cec5SDimitry Andric uint64_t estimateStackSize(const MachineFunction &MF) const; 530b57cec5SDimitry Andric }; 540b57cec5SDimitry Andric 550b57cec5SDimitry Andric /// Create MipsFrameLowering objects. 560b57cec5SDimitry Andric const MipsFrameLowering *createMips16FrameLowering(const MipsSubtarget &ST); 570b57cec5SDimitry Andric const MipsFrameLowering *createMipsSEFrameLowering(const MipsSubtarget &ST); 580b57cec5SDimitry Andric 590b57cec5SDimitry Andric } // End llvm namespace 600b57cec5SDimitry Andric 610b57cec5SDimitry Andric #endif 62