Rename FlowGraphOptimizer -> JitOptimizer, clean up optimizer code.

runtime/vm/compiler.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/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
 #include "vm/branch_optimizer.h"
 #include "vm/cha.h"
 #include "vm/code_generator.h"
 #include "vm/code_patcher.h"
 #include "vm/constant_propagator.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #include "vm/deopt_instructions.h"
 #include "vm/disassembler.h"
 #include "vm/exceptions.h"
 #include "vm/flags.h"
 #include "vm/flow_graph.h"
 #include "vm/flow_graph_allocator.h"
 #include "vm/flow_graph_builder.h"
 #include "vm/flow_graph_compiler.h"
 #include "vm/flow_graph_inliner.h"
-#include "vm/flow_graph_optimizer.h"
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/flow_graph_type_propagator.h"
 #include "vm/il_printer.h"
+#include "vm/jit_optimizer.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/os.h"
 #include "vm/parser.h"
 #include "vm/precompiler.h"
 #include "vm/redundancy_elimination.h"
 #include "vm/regexp_parser.h"
 #include "vm/regexp_assembler.h"
 #include "vm/symbols.h"
@@ skipping 639 matching lines @@
       // potentially affect optimizations.
       if (optimized()) {
         NOT_IN_PRODUCT(TimelineDurationScope tds(thread(),
                                                  compiler_timeline,
                                                  "OptimizationPasses"));
         inline_id_to_function.Add(&function);
         // Top scope function has no caller (-1).
         caller_inline_id.Add(-1);
         CSTAT_TIMER_SCOPE(thread(), graphoptimizer_timer);
 
-        FlowGraphOptimizer optimizer(flow_graph,
-                                     use_speculative_inlining,
-                                     NULL);
+        JitOptimizer optimizer(flow_graph);
+
         optimizer.ApplyICData();
         DEBUG_ASSERT(flow_graph->VerifyUseLists());
 
         // Optimize (a << b) & c patterns, merge operations.
         // Run early in order to have more opportunity to optimize left shifts.
         optimizer.TryOptimizePatterns();
         DEBUG_ASSERT(flow_graph->VerifyUseLists());
 
         FlowGraphInliner::SetInliningId(flow_graph, 0);
 
@@ skipping 1135 matching lines @@
 }
 
 
 void BackgroundCompiler::EnsureInit(Thread* thread) {
   UNREACHABLE();
 }
 
 #endif  // DART_PRECOMPILED_RUNTIME
 
 }  // namespace dart