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diff --git a/llvm/tools/llvm-exegesis/lib/Analysis.h b/llvm/tools/llvm-exegesis/lib/Analysis.h
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+//===-- Analysis.h ----------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Analysis output for benchmark results.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_LLVM_EXEGESIS_ANALYSIS_H
+#define LLVM_TOOLS_LLVM_EXEGESIS_ANALYSIS_H
+
+#include "Clustering.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace exegesis {
+
+// Prints a csv of instructions for each cluster.
+llvm::Error
+printAnalysisClusters(const InstructionBenchmarkClustering &Clustering,
+ const llvm::MCSubtargetInfo &STI, llvm::raw_ostream &OS);
+
+} // namespace exegesis
+
+#endif // LLVM_TOOLS_LLVM_EXEGESIS_CLUSTERING_H
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