1 files changed, 0 insertions, 91 deletions
diff --git a/gcc/go/gofrontend/dataflow.h b/gcc/go/gofrontend/dataflow.h
deleted file mode 100644
index a75c8e661f..0000000000
--- a/gcc/go/gofrontend/dataflow.h
+++ /dev/null
@@ -1,91 +0,0 @@
-// dataflow.h -- Go frontend dataflow.    -*- C++ -*-
-
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-#ifndef GO_DATAFLOW_H
-#define GO_DATAFLOW_H
-
-class Expression;
-class Named_object;
-class Statement;
-
-// Dataflow information about the Go program.
-
-class Dataflow
-{
- public:
-  // A variable definition.
-  struct Def
-  {
-    // The statement where the variable is defined.
-    Statement* statement;
-    // The value to which the variable is set.  This may be NULL.
-    Expression* val;
-    // Whether this is an initialization of the variable.
-    bool is_init;
-  };
-
-  // A variable reference.
-  struct Ref
-  {
-    // The statement where the variable is referenced.
-    Statement* statement;
-  };
-
-  // A list of defs.
-  typedef std::vector<Def> Defs;
-
-  // A list of refs.
-  typedef std::vector<Ref> Refs;
-
-  Dataflow();
-
-  // Initialize the dataflow information.
-  void
-  initialize(Gogo*);
-
-  // Add a definition of a variable.  STATEMENT assigns a value to
-  // VAR.  VAL is the value if it is known, NULL otherwise.
-  void
-  add_def(Named_object* var, Expression* val, Statement* statement,
-	  bool is_init);
-
-  // Add a reference to a variable.  VAR is the variable, and
-  // STATEMENT is the statement which refers to it.
-  void
-  add_ref(Named_object* var, Statement* statement);
-
-  // Return the definitions of VAR--the places where it is set.
-  const Defs*
-  find_defs(Named_object* var) const;
-
-  // Return the references to VAR--the places where it is used.
-  const Refs*
-  find_refs(Named_object* var) const;
-
- private:
-  // Order variables in the map.
-  struct Compare_vars
-  {
-    bool
-    operator()(const Named_object*, const Named_object*) const;
-  };
-
-  // Map from variables to a list of defs of the variable.  We use a
-  // map rather than a hash table because the order in which we
-  // process variables may affect the resulting code.
-  typedef std::map<Named_object*, Defs*, Compare_vars> Defmap;
-
-  // Map from variables to a list of refs to the vairable.
-  typedef std::map<Named_object*, Refs*, Compare_vars> Refmap;
-
-  // Variable defs.
-  Defmap defs_;
-  // Variable refs;
-  Refmap refs_;
-};
-
-
-#endif // !defined(GO_DATAFLOW_H)