1 //===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H
15 #define LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H
18 #include "llvm/Target/TargetFrameLowering.h"
23 class MipsFrameLowering : public TargetFrameLowering {
25 const MipsSubtarget &STI;
28 explicit MipsFrameLowering(const MipsSubtarget &sti, unsigned Alignment)
29 : TargetFrameLowering(StackGrowsDown, Alignment, 0, Alignment), STI(sti) {}
31 static const MipsFrameLowering *create(const MipsSubtarget &ST);
33 bool hasFP(const MachineFunction &MF) const override;
36 eliminateCallFramePseudoInstr(MachineFunction &MF,
37 MachineBasicBlock &MBB,
38 MachineBasicBlock::iterator I) const override;
41 uint64_t estimateStackSize(const MachineFunction &MF) const;
44 /// Create MipsFrameLowering objects.
45 const MipsFrameLowering *createMips16FrameLowering(const MipsSubtarget &ST);
46 const MipsFrameLowering *createMipsSEFrameLowering(const MipsSubtarget &ST);
48 } // End llvm namespace