1 files changed, 47 insertions, 0 deletions
diff --git a/llvm/tools/llvm-mca/InstructionTables.h b/llvm/tools/llvm-mca/InstructionTables.h
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index 00000000000..97dd9b8fc58
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+++ b/llvm/tools/llvm-mca/InstructionTables.h
@@ -0,0 +1,47 @@
+//===--------------------- InstructionTables.h ------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+///
+/// This file implements a custom driver to generate instruction tables.
+/// See the description of command-line flag -instruction-tables in
+/// docs/CommandGuide/lvm-mca.rst
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_LLVM_MCA_INSTRUCTIONTABLES_H
+#define LLVM_TOOLS_LLVM_MCA_INSTRUCTIONTABLES_H
+
+#include "HWEventListener.h"
+#include "InstrBuilder.h"
+#include "SourceMgr.h"
+#include "llvm/MC/MCSchedule.h"
+
+namespace mca {
+
+class InstructionTables {
+  const llvm::MCSchedModel &SM;
+  InstrBuilder &IB;
+  SourceMgr &S;
+  std::set<HWEventListener *> Listeners;
+
+public:
+  InstructionTables(const llvm::MCSchedModel &Model, InstrBuilder &Builder,
+                    SourceMgr &Source)
+      : SM(Model), IB(Builder), S(Source) {}
+
+  void addEventListener(HWEventListener *Listener) {
+    if (Listener)
+      Listeners.insert(Listener);
+  }
+
+  void run();
+};
+} // namespace mca
+
+#endif