1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizerCommon.h b/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizerCommon.h
new file mode 100644
index 0000000000000..7da0bf8c441fa
--- /dev/null
+++ b/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizerCommon.h
@@ -0,0 +1,49 @@
+//===--------- 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