116c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov//=- MBlazeFrameLowering.h - Define frame lowering for MicroBlaze -*- 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 148397be042766f1913ceaa2b3e6782de0322bbe6aWesley Peck#ifndef MBLAZE_FRAMEINFO_H 158397be042766f1913ceaa2b3e6782de0322bbe6aWesley Peck#define MBLAZE_FRAMEINFO_H 1633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 1733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#include "MBlaze.h" 1816c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov#include "llvm/Target/TargetFrameLowering.h" 1933464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 2033464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikovnamespace llvm { 2179aa3417eb6f58d668aadfedf075240a41d35a26Craig Topperclass MBlazeSubtarget; 2233464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 2316c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikovclass MBlazeFrameLowering : public TargetFrameLowering { 2433464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikovprotected: 2533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov const MBlazeSubtarget &STI; 2633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 2733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikovpublic: 2816c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov explicit MBlazeFrameLowering(const MBlazeSubtarget &sti) 2916c29b5f285f375be53dabaa73e3e91107485fe4Anton Korobeynikov : TargetFrameLowering(TargetFrameLowering::StackGrowsUp, 4, 0), STI(sti) { 3033464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov } 3133464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 3233464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// targetHandlesStackFrameRounding - Returns true if the target is 3333464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// responsible for rounding up the stack frame (probably at emitPrologue 3433464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// time). 3533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov bool targetHandlesStackFrameRounding() const { return true; } 3633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 3733464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 3833464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov /// the function. 3933464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov void emitPrologue(MachineFunction &MF) const; 4033464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; 41d0c38176690e9602a93a20a43f1bd084564a8116Anton Korobeynikov 42700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky void eliminateCallFramePseudoInstr(MachineFunction &MF, 43700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky MachineBasicBlock &MBB, 44700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky MachineBasicBlock::iterator I) const; 45700ed80d3da5e98e05ceb90e9bfb66058581a6dbEli Bendersky 46d0c38176690e9602a93a20a43f1bd084564a8116Anton Korobeynikov bool hasFP(const MachineFunction &MF) const; 478397be042766f1913ceaa2b3e6782de0322bbe6aWesley Peck 483d2148f5ace1292dcc12c37e9d0e13dee5220a5aWesley Peck int getFrameIndexOffset(const MachineFunction &MF, int FI) const; 493d2148f5ace1292dcc12c37e9d0e13dee5220a5aWesley Peck 508397be042766f1913ceaa2b3e6782de0322bbe6aWesley Peck virtual void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, 518397be042766f1913ceaa2b3e6782de0322bbe6aWesley Peck RegScavenger *RS) const; 5233464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov}; 5333464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 5433464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov} // End llvm namespace 5533464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov 5633464912237efaa0ed7060829e66b59055bdd48bAnton Korobeynikov#endif 57