Introduce an equality compare node. Equality will need to be handled specially soon (not just an in…

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 18 matching lines @@
   FOR_EACH_VALUE(M)                                                            \
   M(AssertAssignable, AssertAssignableComp)                                    \
   M(CurrentContext, CurrentContextComp)                                        \
   M(StoreContext, StoreContextComp)                                            \
   M(ClosureCall, ClosureCallComp)                                              \
   M(InstanceCall, InstanceCallComp)                                            \
   M(StaticCall, StaticCallComp)                                                \
   M(LoadLocal, LoadLocalComp)                                                  \
   M(StoreLocal, StoreLocalComp)                                                \
   M(StrictCompare, StrictCompareComp)                                          \
+  M(EqualityCompare, EqualityCompareComp)                                      \
   M(NativeCall, NativeCallComp)                                                \
   M(StoreIndexed, StoreIndexedComp)                                            \
   M(InstanceSetter, InstanceSetterComp)                                        \
   M(StaticSetter, StaticSetterComp)                                            \
   M(LoadInstanceField, LoadInstanceFieldComp)                                  \
   M(StoreInstanceField, StoreInstanceFieldComp)                                \
   M(LoadStaticField, LoadStaticFieldComp)                                      \
   M(StoreStaticField, StoreStaticFieldComp)                                    \
   M(BooleanNegate, BooleanNegateComp)                                          \
   M(InstanceOf, InstanceOfComp)                                                \
@@ skipping 227 matching lines @@
 
  private:
   const Token::Kind kind_;
   Value* left_;
   Value* right_;
 
   DISALLOW_COPY_AND_ASSIGN(StrictCompareComp);
 };
 
 
+class EqualityCompareComp : public Computation {
+ public:
+  EqualityCompareComp(intptr_t node_id,
+                      intptr_t token_index,
+                      intptr_t try_index,
+                      Value* left,
+                      Value* right)
+    : node_id_(node_id),
+      token_index_(token_index),
+      try_index_(try_index),
+      left_(left),
+      right_(right) {
+    ASSERT(left_ != NULL);
+    ASSERT(right_ != NULL);
+  }
+
+  DECLARE_COMPUTATION(EqualityCompareComp)
+
+  intptr_t node_id() const { return node_id_; }
+  intptr_t token_index() const { return token_index_; }
+  intptr_t try_index() const { return try_index_; }
+  Value* left() const { return left_; }
+  Value* right() const { return right_; }
+
+ private:
+  const intptr_t node_id_;
+  const intptr_t token_index_;
+  const intptr_t try_index_;
+  Value* left_;
+  Value* right_;
+
+  DISALLOW_COPY_AND_ASSIGN(EqualityCompareComp);
+};
+
+
 class StaticCallComp : public Computation {
  public:
   StaticCallComp(intptr_t token_index,
                  intptr_t try_index,
                  const Function& function,
                  const Array& argument_names,
                  ZoneGrowableArray<Value*>* arguments)
       : token_index_(token_index),
         try_index_(try_index),
         function_(function),
@@ skipping 1154 matching lines @@
   const GrowableArray<BlockEntryInstr*>& block_order_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_