131d157ae1ac2cd9c787dc3c1d28e64c682803844Jia Liu//===-- SparcFrameLowering.h - Define frame lowering for Sparc --*- 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 SPARC_FRAMEINFO_H 1533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#define SPARC_FRAMEINFO_H 1633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 1733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#include "Sparc.h" 1816c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov#include "llvm/Target/TargetFrameLowering.h" 1933464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 2033464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikovnamespace llvm { 2133464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 22cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hinesclass SparcSubtarget; 2316c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikovclass SparcFrameLowering : public TargetFrameLowering { 2433464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikovpublic: 25cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines explicit SparcFrameLowering(const SparcSubtarget &ST); 2633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 2733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 2833464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// the function. 29dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines void emitPrologue(MachineFunction &MF) const override; 30dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 31d0c38176690e9602a93a20a43f1bd084564a8116Anton Korobeynikov 32dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines void 33dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines eliminateCallFramePseudoInstr(MachineFunction &MF, 34dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines MachineBasicBlock &MBB, 35dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines MachineBasicBlock::iterator I) const override; 36700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky 37dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines bool hasReservedCallFrame(const MachineFunction &MF) const override; 38dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines bool hasFP(const MachineFunction &MF) const override; 39530086925695f074b0e1e38a0d88ee6a4c91c54cVenkatraman Govindaraju void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, 40dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines RegScavenger *RS = nullptr) const override; 41530086925695f074b0e1e38a0d88ee6a4c91c54cVenkatraman Govindaraju 42530086925695f074b0e1e38a0d88ee6a4c91c54cVenkatraman Govindarajuprivate: 431e06bcbd633175d75d13aaa5695ca0633ba86068Venkatraman Govindaraju // Remap input registers to output registers for leaf procedure. 44530086925695f074b0e1e38a0d88ee6a4c91c54cVenkatraman Govindaraju void remapRegsForLeafProc(MachineFunction &MF) const; 45530086925695f074b0e1e38a0d88ee6a4c91c54cVenkatraman Govindaraju 461e06bcbd633175d75d13aaa5695ca0633ba86068Venkatraman Govindaraju // Returns true if MF is a leaf procedure. 47530086925695f074b0e1e38a0d88ee6a4c91c54cVenkatraman Govindaraju bool isLeafProc(MachineFunction &MF) const; 483a1e76d62706f2773c23a684446b4c549c151669Bill Wendling 493a1e76d62706f2773c23a684446b4c549c151669Bill Wendling 503a1e76d62706f2773c23a684446b4c549c151669Bill Wendling // Emits code for adjusting SP in function prologue/epilogue. 513a1e76d62706f2773c23a684446b4c549c151669Bill Wendling void emitSPAdjustment(MachineFunction &MF, 523a1e76d62706f2773c23a684446b4c549c151669Bill Wendling MachineBasicBlock &MBB, 533a1e76d62706f2773c23a684446b4c549c151669Bill Wendling MachineBasicBlock::iterator MBBI, 543a1e76d62706f2773c23a684446b4c549c151669Bill Wendling int NumBytes, unsigned ADDrr, unsigned ADDri) const; 553a1e76d62706f2773c23a684446b4c549c151669Bill Wendling 5633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov}; 5733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 5833464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov} // End llvm namespace 5933464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 6033464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#endif 61