/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Target/MSP430/MSP430MachineFunctionInfo.h
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1 | | //=== MSP430MachineFunctionInfo.h - MSP430 machine function info -*- 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 | | // This file declares MSP430-specific per-machine-function information. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H |
15 | | #define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H |
16 | | |
17 | | #include "llvm/CodeGen/MachineFunction.h" |
18 | | |
19 | | namespace llvm { |
20 | | |
21 | | /// MSP430MachineFunctionInfo - This class is derived from MachineFunction and |
22 | | /// contains private MSP430 target-specific information for each MachineFunction. |
23 | | class MSP430MachineFunctionInfo : public MachineFunctionInfo { |
24 | | virtual void anchor(); |
25 | | |
26 | | /// CalleeSavedFrameSize - Size of the callee-saved register portion of the |
27 | | /// stack frame in bytes. |
28 | | unsigned CalleeSavedFrameSize; |
29 | | |
30 | | /// ReturnAddrIndex - FrameIndex for return slot. |
31 | | int ReturnAddrIndex; |
32 | | |
33 | | /// VarArgsFrameIndex - FrameIndex for start of varargs area. |
34 | | int VarArgsFrameIndex; |
35 | | |
36 | | /// SRetReturnReg - Some subtargets require that sret lowering includes |
37 | | /// returning the value of the returned struct in a register. This field |
38 | | /// holds the virtual register into which the sret argument is passed. |
39 | | unsigned SRetReturnReg; |
40 | | |
41 | | public: |
42 | 0 | MSP430MachineFunctionInfo() : CalleeSavedFrameSize(0) {} |
43 | | |
44 | | explicit MSP430MachineFunctionInfo(MachineFunction &MF) |
45 | 288 | : CalleeSavedFrameSize(0), ReturnAddrIndex(0), SRetReturnReg(0) {} |
46 | | |
47 | 578 | unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } |
48 | 21 | void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; } |
49 | | |
50 | 1 | unsigned getSRetReturnReg() const { return SRetReturnReg; } |
51 | 1 | void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; } |
52 | | |
53 | 0 | int getRAIndex() const { return ReturnAddrIndex; } |
54 | 0 | void setRAIndex(int Index) { ReturnAddrIndex = Index; } |
55 | | |
56 | 1 | int getVarArgsFrameIndex() const { return VarArgsFrameIndex;} |
57 | 1 | void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } |
58 | | }; |
59 | | |
60 | | } // End llvm namespace |
61 | | |
62 | | #endif |