split enum emission out from InstrInfoEmitter into it's own tblgen backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45640 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 33 insertions, 0 deletions

diff --git a/utils/TableGen/InstrEnumEmitter.h b/utils/TableGen/InstrEnumEmitter.h
new file mode 100644
index 0000000000..b39fef2d43
--- /dev/null
+++ b/utils/TableGen/InstrEnumEmitter.h
@@ -0,0 +1,33 @@
+//===- InstrEnumEmitter.h - Generate Instruction Set Enums ------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This tablegen backend is responsible for emitting enums for each machine
+// instruction.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef INSTRENUM_EMITTER_H
+#define INSTRENUM_EMITTER_H
+
+#include "TableGenBackend.h"
+
+namespace llvm {
+
+class InstrEnumEmitter : public TableGenBackend {
+  RecordKeeper &Records;
+public:
+  InstrEnumEmitter(RecordKeeper &R) : Records(R) {}
+
+  // run - Output the instruction set description, returning true on failure.
+  void run(std::ostream &OS);
+};
+
+} // End llvm namespace
+
+#endif