Add higher-level accesses to Environment. Print flow graph after register allocation. Most interest…

runtime/vm/intermediate_language.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 2464 matching lines @@
   // during register allocation.
   explicit Environment(const GrowableArray<Value*>& values)
       : values_(values.length()), locations_(values.length()) {
     values_.AddArray(values);
   }
 
   const GrowableArray<Value*>& values() const {
     return values_;
   }
 
-  GrowableArray<Location>* locations() {
-    return &locations_;
+  void AddLocation(Location value) {
+    locations_.Add(value);
   }
 
-  const GrowableArray<Location>* locations() const {
-    return &locations_;
+  Location LocationAt(intptr_t ix) const {
+    return locations_[ix];
+  }
+
+  Location* LocationSlotAt(intptr_t ix) const {
+    return & locations_[ix];
   }
 
   void PrintTo(BufferFormatter* f) const;
 
  private:
   GrowableArray<Value*> values_;
   GrowableArray<Location> locations_;
   DISALLOW_COPY_AND_ASSIGN(Environment);
 };
 
@@ skipping 28 matching lines @@
   const GrowableArray<BlockEntryInstr*>& block_order_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_