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diff --git a/clang-r353983/include/llvm/FuzzMutate/Operations.h b/clang-r353983/include/llvm/FuzzMutate/Operations.h
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+++ b/clang-r353983/include/llvm/FuzzMutate/Operations.h
@@ -0,0 +1,53 @@
+//===-- Operations.h - ----------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Implementations of common fuzzer operation descriptors for building an IR
+// mutator.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_FUZZMUTATE_OPERATIONS_H
+#define LLVM_FUZZMUTATE_OPERATIONS_H
+
+#include "llvm/FuzzMutate/OpDescriptor.h"
+#include "llvm/IR/InstrTypes.h"
+#include "llvm/IR/Instruction.h"
+
+namespace llvm {
+
+/// Getters for the default sets of operations, per general category.
+/// @{
+void describeFuzzerIntOps(std::vector<fuzzerop::OpDescriptor> &Ops);
+void describeFuzzerFloatOps(std::vector<fuzzerop::OpDescriptor> &Ops);
+void describeFuzzerControlFlowOps(std::vector<fuzzerop::OpDescriptor> &Ops);
+void describeFuzzerPointerOps(std::vector<fuzzerop::OpDescriptor> &Ops);
+void describeFuzzerAggregateOps(std::vector<fuzzerop::OpDescriptor> &Ops);
+void describeFuzzerVectorOps(std::vector<fuzzerop::OpDescriptor> &Ops);
+/// @}
+
+namespace fuzzerop {
+
+/// Descriptors for individual operations.
+/// @{
+OpDescriptor binOpDescriptor(unsigned Weight, Instruction::BinaryOps Op);
+OpDescriptor cmpOpDescriptor(unsigned Weight, Instruction::OtherOps CmpOp,
+                             CmpInst::Predicate Pred);
+OpDescriptor splitBlockDescriptor(unsigned Weight);
+OpDescriptor gepDescriptor(unsigned Weight);
+OpDescriptor extractValueDescriptor(unsigned Weight);
+OpDescriptor insertValueDescriptor(unsigned Weight);
+OpDescriptor extractElementDescriptor(unsigned Weight);
+OpDescriptor insertElementDescriptor(unsigned Weight);
+OpDescriptor shuffleVectorDescriptor(unsigned Weight);
+/// @}
+
+} // end fuzzerop namespace
+
+} // end llvm namespace
+
+#endif // LLVM_FUZZMUTATE_OPERATIONS_H