50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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//===--------- Definition of the AddressSanitizer class ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares common infrastructure for AddressSanitizer and
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// HWAddressSanitizer.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZERCOMMON_H
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#define LLVM_TRANSFORMS_INSTRUMENTATION_ADDRESSSANITIZERCOMMON_H
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#include "llvm/IR/Instruction.h"
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#include "llvm/IR/Module.h"
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namespace llvm {
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class InterestingMemoryOperand {
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public:
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Use *PtrUse;
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bool IsWrite;
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Type *OpType;
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uint64_t TypeSize;
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MaybeAlign Alignment;
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// The mask Value, if we're looking at a masked load/store.
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Value *MaybeMask;
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InterestingMemoryOperand(Instruction *I, unsigned OperandNo, bool IsWrite,
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class Type *OpType, MaybeAlign Alignment,
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Value *MaybeMask = nullptr)
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: IsWrite(IsWrite), OpType(OpType), Alignment(Alignment),
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MaybeMask(MaybeMask) {
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const DataLayout &DL = I->getModule()->getDataLayout();
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TypeSize = DL.getTypeStoreSizeInBits(OpType);
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PtrUse = &I->getOperandUse(OperandNo);
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}
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Instruction *getInsn() { return cast<Instruction>(PtrUse->getUser()); }
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Value *getPtr() { return PtrUse->get(); }
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};
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} // namespace llvm
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#endif
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