| //===--------- 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 |