Move indexSet and unary operators to the new interceptor mechanism.

sdk/lib/_internal/compiler/implementation/ssa/optimize.dart

 // 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.
 
 part of ssa;
 
 abstract class OptimizationPhase {
   String get name;
   void visitGraph(HGraph graph);
 }
@@ skipping 212 matching lines @@
           && interceptor.interceptedClasses.contains(compiler.objectClass)) {
         return node;
       }
       // Change the call to a regular invoke dynamic call.
       return new HInvokeDynamicMethod(
           node.selector, node.inputs.getRange(1, node.inputs.length - 1));
     }
 
     Selector selector = node.selector;
 
-    if (node.isIndexOperatorOnIndexablePrimitive(types)) {
-      return new HIndex(node.inputs[1], node.inputs[2]);
+    // TODO(ngeoffray): Move this logic into a separate class.
+    if (selector.kind == SelectorKind.INDEX
+        && input.isIndexablePrimitive(types)) {
+      if (selector.name == const SourceString('[]')) {
+        return new HIndex(node.inputs[1], node.inputs[2]);
+      } else if (input.isMutableArray(types)) {
+        assert(selector.name == const SourceString('[]='));
+        return new HIndexAssign(node.inputs[1], node.inputs[2], node.inputs[3]);
+      }
+    } else if (selector.kind == SelectorKind.OPERATOR) {
+      if (selector.name == const SourceString('-')) {
+        if (input.isNumber(types)) {
+          return new HNegate(input);
+        }
+      } else if (selector.name == const SourceString('~')) {
+        if (input.isNumber(types)) {
+          return new HBitNot(input);
+        }
+      }
     }
 
     SourceString selectorName = selector.name;
     Element target;
     if (input.isExtendableArray(types)) {
       if (selectorName == backend.jsArrayRemoveLast.name
           && selector.argumentCount == 0) {
         target = backend.jsArrayRemoveLast;
       } else if (selectorName == backend.jsArrayAdd.name
                  && selector.argumentCount == 1
@@ skipping 98 matching lines @@
       HConstant constantInstruction = value;
       assert(!constantInstruction.constant.isInt());
       if (!constantSystem.isInt(constantInstruction.constant)) {
         // -0.0 is a double but will pass the runtime integer check.
         node.alwaysFalse = true;
       }
     }
     return node;
   }
 
-  HInstruction visitIndexAssign(HIndexAssign node) {
-    if (!node.receiver.canBePrimitive(types)) {
-      Selector selector = new Selector.indexSet();
-      return fromPrimitiveInstructionToDynamicInvocation(node, selector);
-    }
-    return node;
-  }
-
   HInstruction visitInvokeBinary(HInvokeBinary node) {
     HInstruction left = node.left;
     HInstruction right = node.right;
     BinaryOperation operation = node.operation(constantSystem);
     if (left is HConstant && right is HConstant) {
       HConstant op1 = left;
       HConstant op2 = right;
       Constant folded = operation.fold(op1.constant, op2.constant);
       if (folded != null) return graph.addConstant(folded);
     }
@@ skipping 1115 matching lines @@
     HInstruction receiver = interceptor.receiver;
     for (var user in receiver.usedBy) {
       if (user is HInterceptor && interceptor.dominates(user)) {
         user.interceptedClasses = interceptor.interceptedClasses;
       }
     }
   }
 
   // TODO(ngeoffray): Also implement it for non-intercepted calls.
 }