| //===- ARCMachineFunctionInfo.h - ARC 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 ARC-specific per-machine-function information. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H |
| #define LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H |
| |
| #include "llvm/CodeGen/MachineFunction.h" |
| #include <vector> |
| |
| namespace llvm { |
| |
| /// ARCFunctionInfo - This class is derived from MachineFunction private |
| /// ARC target-specific information for each MachineFunction. |
| class ARCFunctionInfo : public MachineFunctionInfo { |
| virtual void anchor(); |
| bool ReturnStackOffsetSet; |
| int VarArgsFrameIndex; |
| unsigned ReturnStackOffset; |
| |
| public: |
| ARCFunctionInfo() |
| : ReturnStackOffsetSet(false), VarArgsFrameIndex(0), |
| ReturnStackOffset(-1U), MaxCallStackReq(0) {} |
| |
| explicit ARCFunctionInfo(MachineFunction &MF) |
| : ReturnStackOffsetSet(false), VarArgsFrameIndex(0), |
| ReturnStackOffset(-1U), MaxCallStackReq(0) {} |
| |
| ~ARCFunctionInfo() {} |
| |
| void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; } |
| int getVarArgsFrameIndex() const { return VarArgsFrameIndex; } |
| |
| void setReturnStackOffset(unsigned value) { |
| assert(!ReturnStackOffsetSet && "Return stack offset set twice"); |
| ReturnStackOffset = value; |
| ReturnStackOffsetSet = true; |
| } |
| |
| unsigned getReturnStackOffset() const { |
| assert(ReturnStackOffsetSet && "Return stack offset not set"); |
| return ReturnStackOffset; |
| } |
| |
| unsigned MaxCallStackReq; |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H |