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//=- LoongArchMachineFunctionInfo.h - LoongArch machine function info -----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares LoongArch-specific per-machine-function information.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHMACHINEFUNCTIONINFO_H
#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHMACHINEFUNCTIONINFO_H
#include "LoongArchSubtarget.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
namespace llvm {
/// LoongArchMachineFunctionInfo - This class is derived from
/// MachineFunctionInfo and contains private LoongArch-specific information for
/// each MachineFunction.
class LoongArchMachineFunctionInfo : public MachineFunctionInfo {
private:
/// FrameIndex for start of varargs area
int VarArgsFrameIndex = 0;
/// Size of the save area used for varargs
int VarArgsSaveSize = 0;
/// Size of stack frame to save callee saved registers
unsigned CalleeSavedStackSize = 0;
public:
LoongArchMachineFunctionInfo(const MachineFunction &MF) {}
MachineFunctionInfo *
clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF,
const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB)
const override {
return DestMF.cloneInfo<LoongArchMachineFunctionInfo>(*this);
}
int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
unsigned getVarArgsSaveSize() const { return VarArgsSaveSize; }
void setVarArgsSaveSize(int Size) { VarArgsSaveSize = Size; }
unsigned getCalleeSavedStackSize() const { return CalleeSavedStackSize; }
void setCalleeSavedStackSize(unsigned Size) { CalleeSavedStackSize = Size; }
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHMACHINEFUNCTIONINFO_H
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