Import LLVM, at r72732.

1 files changed, 43 insertions, 0 deletions

diff --git a/utils/TableGen/CodeEmitterGen.h b/utils/TableGen/CodeEmitterGen.h
new file mode 100644
index 0000000..cb272bd
--- /dev/null
+++ b/utils/TableGen/CodeEmitterGen.h
@@ -0,0 +1,43 @@
+//===- CodeEmitterGen.h - Code Emitter Generator ----------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// FIXME: document
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CODEMITTERGEN_H
+#define CODEMITTERGEN_H
+
+#include "TableGenBackend.h"
+#include <map>
+#include <vector>
+#include <string>
+
+namespace llvm {
+
+class RecordVal;
+class BitsInit;
+
+class CodeEmitterGen : public TableGenBackend {
+  RecordKeeper &Records;
+public:
+  CodeEmitterGen(RecordKeeper &R) : Records(R) {}
+
+  // run - Output the code emitter
+  void run(std::ostream &o);
+private:
+  void emitMachineOpEmitter(std::ostream &o, const std::string &Namespace);
+  void emitGetValueBit(std::ostream &o, const std::string &Namespace);
+  void reverseBits(std::vector<Record*> &Insts);
+  int getVariableBit(const std::string &VarName, BitsInit *BI, int bit);
+};
+
+} // End llvm namespace
+
+#endif