llvm/lib/Target/CSKY/CSKYMachineFunctionInfo.h

   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