Initial checkin of register info emitter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7465 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/utils/TableGen/RegisterInfoEmitter.h b/utils/TableGen/RegisterInfoEmitter.h
new file mode 100644
index 0000000..2a5d70a
--- /dev/null
+++ b/utils/TableGen/RegisterInfoEmitter.h
@@ -0,0 +1,28 @@
+//===- RegisterInfoEmitter.h - Generate a Register File Desc. ---*- C++ -*-===//
+//
+// This tablegen backend is responsible for emitting a description of a target
+// register file for a code generator.  It uses instances of the Register,
+// RegisterAliases, and RegisterClass classes to gather this information.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef REGISTER_INFO_EMITTER_H
+#define REGISTER_INFO_EMITTER_H
+
+#include <iosfwd>
+class RecordKeeper;
+
+class RegisterInfoEmitter {
+  RecordKeeper &Records;
+public:
+  RegisterInfoEmitter(RecordKeeper &R) : Records(R) {}
+  
+  // run - Output the register file description, returning true on failure.
+  void run(std::ostream &o);
+
+  // runHeader - Emit a header fragment for the register info emitter.
+  void runHeader(std::ostream &o);
+private:
+};
+
+#endif