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Add the Lanai backend to lib/Target. General Lanai backend discussion on llvm-dev thread "[RFC] Lanai backend" (http://lists.llvm.org/pipermail/llvm-dev/2016-February/095118.html). Differential Revision: http://reviews.llvm.org/D17011 llvm-svn: 264578
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
//===- LanaiMachineFuctionInfo.h - Lanai machine func info -------*- C++ -*-==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares Lanai-specific per-machine-function information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H
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#define LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H
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#include "LanaiRegisterInfo.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineRegisterInfo.h"
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namespace llvm {
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// LanaiMachineFunctionInfo - This class is derived from MachineFunction and
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// contains private Lanai target-specific information for each MachineFunction.
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class LanaiMachineFunctionInfo : public MachineFunctionInfo {
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virtual void anchor();
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MachineFunction &MF;
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// SRetReturnReg - Lanai ABI require that sret lowering includes
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// returning the value of the returned struct in a register. This field
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// holds the virtual register into which the sret argument is passed.
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unsigned SRetReturnReg;
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// GlobalBaseReg - keeps track of the virtual register initialized for
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// use as the global base register. This is used for PIC in some PIC
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// relocation models.
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unsigned GlobalBaseReg;
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// VarArgsFrameIndex - FrameIndex for start of varargs area.
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int VarArgsFrameIndex;
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public:
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explicit LanaiMachineFunctionInfo(MachineFunction &MF)
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: MF(MF), SRetReturnReg(0), GlobalBaseReg(0), VarArgsFrameIndex(0) {}
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unsigned getSRetReturnReg() const { return SRetReturnReg; }
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void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
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unsigned getGlobalBaseReg();
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int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
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void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
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};
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} // namespace llvm
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#endif // LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H
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