/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Target/MSP430/MSP430MachineFunctionInfo.h
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1 | | //=== MSP430MachineFunctionInfo.h - MSP430 machine function info -*- C++ -*-==// |
2 | | // |
3 | | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | | // See https://llvm.org/LICENSE.txt for license information. |
5 | | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | // |
9 | | // This file declares MSP430-specific per-machine-function information. |
10 | | // |
11 | | //===----------------------------------------------------------------------===// |
12 | | |
13 | | #ifndef LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H |
14 | | #define LLVM_LIB_TARGET_MSP430_MSP430MACHINEFUNCTIONINFO_H |
15 | | |
16 | | #include "llvm/CodeGen/MachineFunction.h" |
17 | | |
18 | | namespace llvm { |
19 | | |
20 | | /// MSP430MachineFunctionInfo - This class is derived from MachineFunction and |
21 | | /// contains private MSP430 target-specific information for each MachineFunction. |
22 | | class MSP430MachineFunctionInfo : public MachineFunctionInfo { |
23 | | virtual void anchor(); |
24 | | |
25 | | /// CalleeSavedFrameSize - Size of the callee-saved register portion of the |
26 | | /// stack frame in bytes. |
27 | | unsigned CalleeSavedFrameSize; |
28 | | |
29 | | /// ReturnAddrIndex - FrameIndex for return slot. |
30 | | int ReturnAddrIndex; |
31 | | |
32 | | /// VarArgsFrameIndex - FrameIndex for start of varargs area. |
33 | | int VarArgsFrameIndex; |
34 | | |
35 | | /// SRetReturnReg - Some subtargets require that sret lowering includes |
36 | | /// returning the value of the returned struct in a register. This field |
37 | | /// holds the virtual register into which the sret argument is passed. |
38 | | unsigned SRetReturnReg; |
39 | | |
40 | | public: |
41 | 0 | MSP430MachineFunctionInfo() : CalleeSavedFrameSize(0) {} |
42 | | |
43 | | explicit MSP430MachineFunctionInfo(MachineFunction &MF) |
44 | 318 | : CalleeSavedFrameSize(0), ReturnAddrIndex(0), SRetReturnReg(0) {} |
45 | | |
46 | 638 | unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; } |
47 | 23 | void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; } |
48 | | |
49 | 3 | unsigned getSRetReturnReg() const { return SRetReturnReg; } |
50 | 2 | void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; } |
51 | | |
52 | 0 | int getRAIndex() const { return ReturnAddrIndex; } |
53 | 0 | void setRAIndex(int Index) { ReturnAddrIndex = Index; } |
54 | | |
55 | 1 | int getVarArgsFrameIndex() const { return VarArgsFrameIndex;} |
56 | 1 | void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; } |
57 | | }; |
58 | | |
59 | | } // End llvm namespace |
60 | | |
61 | | #endif |