116c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov//==- MSP430FrameLowering.h - Define frame lowering for MSP430 --*- C++ -*--==// 233464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// 333464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// The LLVM Compiler Infrastructure 433464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// 533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// This file is distributed under the University of Illinois Open Source 633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// License. See LICENSE.TXT for details. 733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// 833464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov//===----------------------------------------------------------------------===// 933464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// 1033464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// 1133464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov// 1233464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov//===----------------------------------------------------------------------===// 1333464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 1433464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#ifndef MSP430_FRAMEINFO_H 1533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#define MSP430_FRAMEINFO_H 1633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 1733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#include "MSP430.h" 1833464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#include "MSP430Subtarget.h" 1916c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov#include "llvm/Target/TargetFrameLowering.h" 2033464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 2133464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikovnamespace llvm { 2233464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov class MSP430Subtarget; 2333464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 2416c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikovclass MSP430FrameLowering : public TargetFrameLowering { 2533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikovprotected: 2633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov const MSP430Subtarget &STI; 2733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 2833464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikovpublic: 2916c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov explicit MSP430FrameLowering(const MSP430Subtarget &sti) 3016c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 2, -2), STI(sti) { 3133464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov } 3233464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 3333464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 3433464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// the function. 3533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov void emitPrologue(MachineFunction &MF) const; 3633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; 37d0c38176690e9602a93a20a43f1bd084564a8116Anton Korobeynikov 38700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky void eliminateCallFramePseudoInstr(MachineFunction &MF, 39700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky MachineBasicBlock &MBB, 40700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky MachineBasicBlock::iterator I) const; 41700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky 42cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 43cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov MachineBasicBlock::iterator MI, 44cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov const std::vector<CalleeSavedInfo> &CSI, 45cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov const TargetRegisterInfo *TRI) const; 46cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 47cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov MachineBasicBlock::iterator MI, 48cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov const std::vector<CalleeSavedInfo> &CSI, 49cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov const TargetRegisterInfo *TRI) const; 50cd775ceff0b25a0b026f643a7990c2924bd310a3Anton Korobeynikov 51d0c38176690e9602a93a20a43f1bd084564a8116Anton Korobeynikov bool hasFP(const MachineFunction &MF) const; 52d0c38176690e9602a93a20a43f1bd084564a8116Anton Korobeynikov bool hasReservedCallFrame(const MachineFunction &MF) const; 533080d23fde4981835d8a7faf46c152441fadb11fHal Finkel void processFunctionBeforeFrameFinalized(MachineFunction &MF, 543080d23fde4981835d8a7faf46c152441fadb11fHal Finkel RegScavenger *RS = NULL) const; 5533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov}; 5633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 5733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov} // End llvm namespace 5833464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 5933464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#endif 60