Eliminate the type distinction between BindInstr and DoInstr.

runtime/vm/intermediate_language.cc

 // 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.
 
 #include "vm/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_builder.h"
 #include "vm/flow_graph_compiler.h"
@@ skipping 284 matching lines @@
   UNREACHABLE();
   return NULL;
 }
 
 
 void ParameterInstr::SetInputAt(intptr_t i, Value* value) {
   UNREACHABLE();
 }
 
 
-intptr_t DoInstr::InputCount() const {
-  return computation()->InputCount();
-}
-
-
-Value* DoInstr::InputAt(intptr_t i) const {
-  return computation()->InputAt(i);
-}
-
-
-void DoInstr::SetInputAt(intptr_t i, Value* value) {
-  computation()->SetInputAt(i, value);
-}
-
-
 intptr_t GraphEntryInstr::InputCount() const {
   return 0;
 }
 
 
 Value* GraphEntryInstr::InputAt(intptr_t i) const {
   UNREACHABLE();
   return NULL;
 }
 
@@ skipping 46 matching lines @@
     assigned_vars->Add(local().BitIndexIn(assigned_vars->length()));
   }
 }
 
 
 void Instruction::RecordAssignedVars(BitVector* assigned_vars) {
   // Nothing to do for the base class.
 }
 
 
-void DoInstr::RecordAssignedVars(BitVector* assigned_vars) {
-  computation()->RecordAssignedVars(assigned_vars);
-}
-
-
 void BindInstr::RecordAssignedVars(BitVector* assigned_vars) {
   computation()->RecordAssignedVars(assigned_vars);
 }
 
 
 // ==== Postorder graph traversal.
 void GraphEntryInstr::DiscoverBlocks(
     BlockEntryInstr* current_block,
     GrowableArray<BlockEntryInstr*>* preorder,
     GrowableArray<BlockEntryInstr*>* postorder,
@@ skipping 951 matching lines @@
   const ExternalLabel label(closure_function.ToCString(), stub.EntryPoint());
   compiler->GenerateCall(token_pos(), try_index(), &label,
                          PcDescriptors::kOther);
   __ Drop(2);  // Discard type arguments and receiver.
 }
 
 
 #undef __
 
 }  // namespace dart