119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman//===-- Thumb1FrameLowering.h - Thumb1-specific frame info stuff --*- C++ -*-=// 219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// 319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// The LLVM Compiler Infrastructure 419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// 519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// This file is distributed under the University of Illinois Open Source 619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// License. See LICENSE.TXT for details. 719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// 819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman//===----------------------------------------------------------------------===// 919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// 1019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// 1119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman// 1219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman//===----------------------------------------------------------------------===// 1319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 1419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#ifndef __THUMB_FRAMEINFO_H_ 1519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#define __THUMB_FRAMEINFO_H_ 1619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 1719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#include "ARM.h" 1819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#include "ARMFrameLowering.h" 1919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#include "ARMSubtarget.h" 2019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#include "Thumb1InstrInfo.h" 2119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#include "Thumb1RegisterInfo.h" 2219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#include "llvm/Target/TargetFrameLowering.h" 2319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 2419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Baumannamespace llvm { 2519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman class ARMSubtarget; 2619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 2719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Baumanclass Thumb1FrameLowering : public ARMFrameLowering { 2819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Baumanpublic: 2919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman explicit Thumb1FrameLowering(const ARMSubtarget &sti) 3019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman : ARMFrameLowering(sti) { 3119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman } 3219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 3319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 3419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman /// the function. 3519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman void emitPrologue(MachineFunction &MF) const; 3619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; 3719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 3819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 3919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman MachineBasicBlock::iterator MI, 4019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman const std::vector<CalleeSavedInfo> &CSI, 4119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman const TargetRegisterInfo *TRI) const; 4219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 4319bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman MachineBasicBlock::iterator MI, 4419bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman const std::vector<CalleeSavedInfo> &CSI, 4519bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman const TargetRegisterInfo *TRI) const; 4619bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 4719bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman bool hasReservedCallFrame(const MachineFunction &MF) const; 4819bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman}; 4919bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 5019bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman} // End llvm namespace 5119bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman 5219bac1e08be200c31efd26f0f5fd144c9b3eefd3John Bauman#endif 53