Add code comment to ia32 disassembly as well, bug fix new ia32 compiler, remove use of TMP register…

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 1146 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(CreateClosureComp);
 };
 
 
 class LoadVMFieldComp : public TemplateComputation<1> {
  public:
   LoadVMFieldComp(Value* value,
                   intptr_t offset_in_bytes,
                   const AbstractType& type)
-      : offset_in_bytes_(offset_in_bytes), type_(type) {
+      : offset_in_bytes_(offset_in_bytes),
+        type_(type),
+        original_(NULL),
+        class_ids_(NULL) {
     ASSERT(value != NULL);
     ASSERT(type.IsZoneHandle());  // May be null if field is not an instance.
     inputs_[0] = value;
   }
 
+  LoadVMFieldComp(Value* value,
+                  intptr_t offset_in_bytes,
+                  const AbstractType& type,
+                  InstanceCallComp* original,
+                  ZoneGrowableArray<intptr_t>* class_ids)
+      : offset_in_bytes_(offset_in_bytes),
+        type_(type),
+        original_(original),
+        class_ids_(class_ids) {
+    ASSERT(value != NULL);
+    ASSERT(type.IsZoneHandle());  // May be null if field is not an instance.
+    ASSERT(original != NULL);
+    ASSERT(class_ids != NULL);
+    inputs_[0] = value;
+  }
+
   DECLARE_COMPUTATION(LoadVMField)
 
   Value* value() const { return inputs_[0]; }
   intptr_t offset_in_bytes() const { return offset_in_bytes_; }
   const AbstractType& type() const { return type_; }
+  const ZoneGrowableArray<intptr_t>* class_ids() const { return class_ids_; }
+  const InstanceCallComp* original() const { return original_; }
 
   virtual void PrintOperandsTo(BufferFormatter* f) const;
 
  private:
   const intptr_t offset_in_bytes_;
   const AbstractType& type_;
+  const InstanceCallComp* original_;  // For optimizations.
+  // If non-NULL, the instruction is valid only for the class ids listed.
+  const ZoneGrowableArray<intptr_t>* class_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(LoadVMFieldComp);
 };
 
 
 class StoreVMFieldComp : public TemplateComputation<2> {
  public:
   StoreVMFieldComp(Value* dest,
                    intptr_t offset_in_bytes,
                    Value* value,
@@ skipping 966 matching lines @@
   const GrowableArray<BlockEntryInstr*>& block_order_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_