LLVM 20.0.0git
ARCMachineFunctionInfo.h
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1//===- ARCMachineFunctionInfo.h - ARC machine function 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 ARC-specific per-machine-function information.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H
14#define LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H
15
17#include <vector>
18
19namespace llvm {
20
21/// ARCFunctionInfo - This class is derived from MachineFunction private
22/// ARC target-specific information for each MachineFunction.
24 virtual void anchor();
25 bool ReturnStackOffsetSet;
26 int VarArgsFrameIndex;
27 unsigned ReturnStackOffset;
28
29public:
30 explicit ARCFunctionInfo(const Function &F, const TargetSubtargetInfo *STI)
31 : ReturnStackOffsetSet(false), VarArgsFrameIndex(0),
32 ReturnStackOffset(-1U), MaxCallStackReq(0) {}
34
38 const override;
39
40 void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; }
41 int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
42
43 void setReturnStackOffset(unsigned value) {
44 assert(!ReturnStackOffsetSet && "Return stack offset set twice");
45 ReturnStackOffset = value;
46 ReturnStackOffsetSet = true;
47 }
48
49 unsigned getReturnStackOffset() const {
50 assert(ReturnStackOffsetSet && "Return stack offset not set");
51 return ReturnStackOffset;
52 }
53
55};
56
57} // end namespace llvm
58
59#endif // LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H
Given that RA is a live value
#define F(x, y, z)
Definition: MD5.cpp:55
Basic Register Allocator
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
ARCFunctionInfo - This class is derived from MachineFunction private ARC target-specific information ...
void setReturnStackOffset(unsigned value)
MachineFunctionInfo * clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF, const DenseMap< MachineBasicBlock *, MachineBasicBlock * > &Src2DstMBB) const override
Make a functionally equivalent copy of this MachineFunctionInfo in MF.
ARCFunctionInfo(const Function &F, const TargetSubtargetInfo *STI)
unsigned getReturnStackOffset() const
Allocate memory in an ever growing pool, as if by bump-pointer.
Definition: Allocator.h:66
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...