1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
| //===- ARCMachineFunctionInfo.h - ARC machine function info -----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// 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 aligned.
MF.setAlignment(Align(4));
}
~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
|