AOT: Enable branch merging for checked smi comparisons

runtime/vm/il_printer.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/il_printer.h"
 
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/intermediate_language.h"
 #include "vm/os.h"
 #include "vm/parser.h"
@@ skipping 686 matching lines @@
 
 void CheckedSmiOpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s", Token::Str(op_kind()));
   f->Print(", ");
   left()->PrintTo(f);
   f->Print(", ");
   right()->PrintTo(f);
 }
 
 
+void CheckedSmiComparisonInstr::PrintOperandsTo(BufferFormatter* f) const {
+  f->Print("%s", Token::Str(kind()));
+  f->Print(", ");
+  left()->PrintTo(f);
+  f->Print(", ");
+  right()->PrintTo(f);
+}
+
+
 void BinaryIntegerOpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s", Token::Str(op_kind()));
   if (is_truncating()) {
     f->Print(" [tr]");
   } else if (!can_overflow()) {
     f->Print(" [-o]");
   }
   f->Print(", ");
   left()->PrintTo(f);
   f->Print(", ");
@@ skipping 605 matching lines @@
 }
 
 
 bool FlowGraphPrinter::ShouldPrint(const Function& function) {
   return false;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart