1 //===--- PTXFrameLowering.h - Define frame lowering for PTX --*- 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 PTX_FRAMEINFO_H
15 #define PTX_FRAMEINFO_H
16 
17 #include "PTX.h"
18 #include "PTXSubtarget.h"
19 #include "llvm/Target/TargetFrameLowering.h"
20 
21 namespace llvm {
22   class PTXSubtarget;
23 
24 class PTXFrameLowering : public TargetFrameLowering {
25 protected:
26   const PTXSubtarget &STI;
27 
28 public:
PTXFrameLowering(const PTXSubtarget & sti)29   explicit PTXFrameLowering(const PTXSubtarget &sti)
30     : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 2, -2),
31       STI(sti) {
32   }
33 
34   /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
35   /// the function.
36   void emitPrologue(MachineFunction &MF) const;
37   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
38 
hasFP(const MachineFunction & MF)39   bool hasFP(const MachineFunction &MF) const { return false; }
40 };
41 
42 } // End llvm namespace
43 
44 #endif
45