//===- ARCMachineFunctionInfo.h - ARC machine function info -----*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // 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) { // Functions are 4-byte (2**2) aligned. MF.setAlignment(2); } ~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 |