forked from OSchip/llvm-project
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
//=- RISCVMachineFunctionInfo.h - RISCV machine function info -----*- C++ -*-=//
|
|
//
|
|
// 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 RISCV-specific per-machine-function information.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_RISCV_RISCVMACHINEFUNCTIONINFO_H
|
|
#define LLVM_LIB_TARGET_RISCV_RISCVMACHINEFUNCTIONINFO_H
|
|
|
|
#include "llvm/CodeGen/MachineFrameInfo.h"
|
|
#include "llvm/CodeGen/MachineFunction.h"
|
|
|
|
namespace llvm {
|
|
|
|
/// RISCVMachineFunctionInfo - This class is derived from MachineFunctionInfo
|
|
/// and contains private RISCV-specific information for each MachineFunction.
|
|
class RISCVMachineFunctionInfo : public MachineFunctionInfo {
|
|
private:
|
|
MachineFunction &MF;
|
|
/// FrameIndex for start of varargs area
|
|
int VarArgsFrameIndex = 0;
|
|
/// Size of the save area used for varargs
|
|
int VarArgsSaveSize = 0;
|
|
/// FrameIndex used for transferring values between 64-bit FPRs and a pair
|
|
/// of 32-bit GPRs via the stack.
|
|
int MoveF64FrameIndex = -1;
|
|
|
|
public:
|
|
RISCVMachineFunctionInfo(MachineFunction &MF) : MF(MF) {}
|
|
|
|
int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
|
|
void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
|
|
|
|
unsigned getVarArgsSaveSize() const { return VarArgsSaveSize; }
|
|
void setVarArgsSaveSize(int Size) { VarArgsSaveSize = Size; }
|
|
|
|
int getMoveF64FrameIndex() {
|
|
if (MoveF64FrameIndex == -1)
|
|
MoveF64FrameIndex = MF.getFrameInfo().CreateStackObject(8, 8, false);
|
|
return MoveF64FrameIndex;
|
|
}
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_LIB_TARGET_RISCV_RISCVMACHINEFUNCTIONINFO_H
|