1 //===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef MIPS_FRAMEINFO_H 15 #define MIPS_FRAMEINFO_H 16 17 #include "Mips.h" 18 #include "MipsSubtarget.h" 19 #include "llvm/Target/TargetFrameLowering.h" 20 21 namespace llvm { 22 class MipsSubtarget; 23 24 class MipsFrameLowering : public TargetFrameLowering { 25 protected: 26 const MipsSubtarget &STI; 27 28 public: 29 explicit MipsFrameLowering(const MipsSubtarget &sti) 30 : TargetFrameLowering(StackGrowsDown, sti.hasMips64() ? 16 : 8, 0, 31 sti.hasMips64() ? 16 : 8), STI(sti) {} 32 33 static const MipsFrameLowering *create(MipsTargetMachine &TM, 34 const MipsSubtarget &ST); 35 36 bool hasFP(const MachineFunction &MF) const; 37 38 protected: 39 uint64_t estimateStackSize(const MachineFunction &MF) const; 40 }; 41 42 /// Create MipsFrameLowering objects. 43 const MipsFrameLowering *createMips16FrameLowering(const MipsSubtarget &ST); 44 const MipsFrameLowering *createMipsSEFrameLowering(const MipsSubtarget &ST); 45 46 } // End llvm namespace 47 48 #endif 49
