Impelments IfThenElse instruction for ARM and MIPS.

runtime/vm/flow_graph_optimizer.cc

 // Copyright (c) 2013, 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/flow_graph_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 7469 matching lines @@
 
   if ((block->next() == instr) &&
       (instr->next() == block->last_instruction())) {
     before->previous()->LinkTo(instr);
     instr->LinkTo(before);
   }
 }
 
 
 void IfConverter::Simplify(FlowGraph* flow_graph) {
-  if (!IfThenElseInstr::IsSupported()) {
-    return;
-  }
-
   bool changed = false;
 
   const GrowableArray<BlockEntryInstr*>& postorder = flow_graph->postorder();
   for (BlockIterator it(postorder); !it.Done(); it.Advance()) {
     BlockEntryInstr* block = it.Current();
     JoinEntryInstr* join = block->AsJoinEntry();
 
     // Detect diamond control flow pattern which materializes a value depending
     // on the result of the comparison:
     //
@@ skipping 347 matching lines @@
   }
 
   // Insert materializations at environment uses.
   for (intptr_t i = 0; i < exits.length(); i++) {
     CreateMaterializationAt(exits[i], alloc, alloc->cls(), *fields);
   }
 }
 
 
 }  // namespace dart