60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
//===- ARCMachineFunctionInfo.h - ARC machine function info -----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares ARC-specific per-machine-function information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H
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#define LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H
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#include "llvm/CodeGen/MachineFunction.h"
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#include <vector>
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namespace llvm {
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/// ARCFunctionInfo - This class is derived from MachineFunction private
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/// ARC target-specific information for each MachineFunction.
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class ARCFunctionInfo : public MachineFunctionInfo {
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virtual void anchor();
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bool ReturnStackOffsetSet;
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int VarArgsFrameIndex;
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unsigned ReturnStackOffset;
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public:
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ARCFunctionInfo()
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: ReturnStackOffsetSet(false), VarArgsFrameIndex(0),
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ReturnStackOffset(-1U), MaxCallStackReq(0) {}
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explicit ARCFunctionInfo(MachineFunction &MF)
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: ReturnStackOffsetSet(false), VarArgsFrameIndex(0),
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ReturnStackOffset(-1U), MaxCallStackReq(0) {}
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~ARCFunctionInfo() {}
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void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; }
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int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
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void setReturnStackOffset(unsigned value) {
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assert(!ReturnStackOffsetSet && "Return stack offset set twice");
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ReturnStackOffset = value;
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ReturnStackOffsetSet = true;
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}
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unsigned getReturnStackOffset() const {
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assert(ReturnStackOffsetSet && "Return stack offset not set");
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return ReturnStackOffset;
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}
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unsigned MaxCallStackReq;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H
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