1 //=- CSKYMachineFunctionInfo.h - CSKY 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 CSKY-specific per-machine-function information. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_CSKY_CSKYMACHINEFUNCTIONINFO_H 14 #define LLVM_LIB_TARGET_CSKY_CSKYMACHINEFUNCTIONINFO_H 15 16 #include "llvm/CodeGen/MachineFunction.h" 17 18 namespace llvm { 19 20 class CSKYMachineFunctionInfo : public MachineFunctionInfo { 21 Register GlobalBaseReg = 0; 22 bool SpillsCR = false; 23 24 int VarArgsFrameIndex = 0; 25 unsigned VarArgsSaveSize = 0; 26 27 int spillAreaSize = 0; 28 29 bool LRSpilled = false; 30 31 unsigned PICLabelUId = 0; 32 33 public: 34 CSKYMachineFunctionInfo(const Function &F, const TargetSubtargetInfo *STI) {} 35 36 MachineFunctionInfo * 37 clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF, 38 const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB) 39 const override { 40 return DestMF.cloneInfo<CSKYMachineFunctionInfo>(*this); 41 } 42 43 Register getGlobalBaseReg() const { return GlobalBaseReg; } 44 void setGlobalBaseReg(Register Reg) { GlobalBaseReg = Reg; } 45 46 void setSpillsCR() { SpillsCR = true; } 47 bool isCRSpilled() const { return SpillsCR; } 48 49 void setVarArgsFrameIndex(int v) { VarArgsFrameIndex = v; } 50 int getVarArgsFrameIndex() { return VarArgsFrameIndex; } 51 52 unsigned getVarArgsSaveSize() const { return VarArgsSaveSize; } 53 void setVarArgsSaveSize(int Size) { VarArgsSaveSize = Size; } 54 55 bool isLRSpilled() const { return LRSpilled; } 56 void setLRIsSpilled(bool s) { LRSpilled = s; } 57 58 void setCalleeSaveAreaSize(int v) { spillAreaSize = v; } 59 int getCalleeSaveAreaSize() const { return spillAreaSize; } 60 61 unsigned createPICLabelUId() { return ++PICLabelUId; } 62 void initPICLabelUId(unsigned UId) { PICLabelUId = UId; } 63 }; 64 65 } // namespace llvm 66 67 #endif // LLVM_LIB_TARGET_CSKY_CSKYMACHINEFUNCTIONINFO_H 68