1 files changed, 49 insertions, 0 deletions
diff --git a/contrib/llvm/utils/TableGen/CodeEmitterGen.h b/contrib/llvm/utils/TableGen/CodeEmitterGen.h
new file mode 100644
index 0000000..a874d97
--- /dev/null
+++ b/contrib/llvm/utils/TableGen/CodeEmitterGen.h
@@ -0,0 +1,49 @@
+//===- 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 <vector>
+#include <string>
+
+namespace llvm {
+
+class RecordVal;
+class BitsInit;
+class CodeGenTarget;
+
+class CodeEmitterGen : public TableGenBackend {
+  RecordKeeper &Records;
+public:
+  CodeEmitterGen(RecordKeeper &R) : Records(R) {}
+
+  // run - Output the code emitter
+  void run(raw_ostream &o);
+private:
+  void emitMachineOpEmitter(raw_ostream &o, const std::string &Namespace);
+  void emitGetValueBit(raw_ostream &o, const std::string &Namespace);
+  void reverseBits(std::vector<Record*> &Insts);
+  int getVariableBit(const std::string &VarName, BitsInit *BI, int bit);
+  std::string getInstructionCase(Record *R, CodeGenTarget &Target);
+  void
+  AddCodeToMergeInOperand(Record *R, BitsInit *BI, const std::string &VarName,
+                          unsigned &NumberedOp,
+                          std::string &Case, CodeGenTarget &Target);
+    
+};
+
+} // End llvm namespace
+
+#endif