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diff --git a/clang-r353983/include/llvm/Transforms/IPO/ForceFunctionAttrs.h b/clang-r353983/include/llvm/Transforms/IPO/ForceFunctionAttrs.h
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+//===-- ForceFunctionAttrs.h - Force function attrs for debugging ---------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+/// \file
+/// Super simple passes to force specific function attrs from the commandline
+/// into the IR for debugging purposes.
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_IPO_FORCEFUNCTIONATTRS_H
+#define LLVM_TRANSFORMS_IPO_FORCEFUNCTIONATTRS_H
+
+#include "llvm/IR/Module.h"
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+/// Pass which forces specific function attributes into the IR, primarily as
+/// a debugging tool.
+struct ForceFunctionAttrsPass : PassInfoMixin<ForceFunctionAttrsPass> {
+  PreservedAnalyses run(Module &M, ModuleAnalysisManager &);
+};
+
+/// Create a legacy pass manager instance of a pass to force function attrs.
+Pass *createForceFunctionAttrsLegacyPass();
+
+}
+
+#endif // LLVM_TRANSFORMS_IPO_FORCEFUNCTIONATTRS_H