LLVM 20.0.0git
LanaiMachineFunctionInfo.h
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1//===- LanaiMachineFuctionInfo.h - Lanai machine func info -------*- C++ -*-==//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares Lanai-specific per-machine-function information.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H
14#define LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H
15
16#include "LanaiRegisterInfo.h"
19
20namespace llvm {
21
22// LanaiMachineFunctionInfo - This class is derived from MachineFunction and
23// contains private Lanai target-specific information for each MachineFunction.
25 virtual void anchor();
26
27 // SRetReturnReg - Lanai ABI require that sret lowering includes
28 // returning the value of the returned struct in a register. This field
29 // holds the virtual register into which the sret argument is passed.
30 Register SRetReturnReg;
31
32 // GlobalBaseReg - keeps track of the virtual register initialized for
33 // use as the global base register. This is used for PIC in some PIC
34 // relocation models.
35 Register GlobalBaseReg;
36
37 // VarArgsFrameIndex - FrameIndex for start of varargs area.
38 int VarArgsFrameIndex;
39
40public:
42 : VarArgsFrameIndex(0) {}
46 const override;
47
48 Register getSRetReturnReg() const { return SRetReturnReg; }
49 void setSRetReturnReg(Register Reg) { SRetReturnReg = Reg; }
50
51 int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
52 void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
53};
54
55} // namespace llvm
56
57#endif // LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H
#define F(x, y, z)
Definition: MD5.cpp:55
unsigned Reg
Basic Register Allocator
Allocate memory in an ever growing pool, as if by bump-pointer.
Definition: Allocator.h:66
LanaiMachineFunctionInfo(const Function &F, const TargetSubtargetInfo *STI)
MachineFunctionInfo * clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF, const DenseMap< MachineBasicBlock *, MachineBasicBlock * > &Src2DstMBB) const override
Make a functionally equivalent copy of this MachineFunctionInfo in MF.
Wrapper class representing virtual and physical registers.
Definition: Register.h:19
TargetSubtargetInfo - Generic base class for all target subtargets.
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
MachineFunctionInfo - This class can be derived from and used by targets to hold private target-speci...