aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/llvm12/include/llvm/Transforms/Instrumentation/AddressSanitizerCommon.h
blob: a5de419e32633d1f70937f109e78714f2197bc14 (plain) (blame)
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
#pragma once

#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif

//===--------- Definition of the AddressSanitizer class ---------*- 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 common infrastructure for AddressSanitizer and
// HWAddressSanitizer.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZERCOMMON_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZERCOMMON_H

#include "llvm/IR/Instruction.h"
#include "llvm/IR/Module.h"

namespace llvm {

class InterestingMemoryOperand {
public:
  Use *PtrUse;
  bool IsWrite;
  Type *OpType;
  uint64_t TypeSize;
  MaybeAlign Alignment;
  // The mask Value, if we're looking at a masked load/store.
  Value *MaybeMask;

  InterestingMemoryOperand(Instruction *I, unsigned OperandNo, bool IsWrite,
                           class Type *OpType, MaybeAlign Alignment,
                           Value *MaybeMask = nullptr)
      : IsWrite(IsWrite), OpType(OpType), Alignment(Alignment),
        MaybeMask(MaybeMask) {
    const DataLayout &DL = I->getModule()->getDataLayout();
    TypeSize = DL.getTypeStoreSizeInBits(OpType);
    PtrUse = &I->getOperandUse(OperandNo);
  }

  Instruction *getInsn() { return cast<Instruction>(PtrUse->getUser()); }

  Value *getPtr() { return PtrUse->get(); }
};

} // namespace llvm

#endif

#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif