Remove old code generator.

runtime/vm/flow_graph_compiler.cc

Index: runtime/vm/flow_graph_compiler.cc
===================================================================
--- runtime/vm/flow_graph_compiler.cc	(revision 9089)
+++ runtime/vm/flow_graph_compiler.cc	(working copy)
@@ -6,6 +6,7 @@
 
 #include "vm/flow_graph_compiler.h"
 
+#include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #include "vm/il_printer.h"
 #include "vm/intrinsifier.h"
@@ -71,6 +72,13 @@
 }
 
 
+bool FlowGraphCompiler::CanOptimize() {
+  return !FLAG_report_usage_count &&
+         (FLAG_optimization_counter_threshold >= 0) &&
+         !Isolate::Current()->debugger()->IsActive();
+}
+
+
 void FlowGraphCompiler::VisitBlocks() {
   for (intptr_t i = 0; i < block_order().length(); ++i) {
     ASSERT(frame_register_allocator()->IsSpilled());
@@ -222,17 +230,9 @@
 }
 
 
-static bool CanOptimize() {
-  return !FLAG_report_usage_count &&
-         (FLAG_optimization_counter_threshold >= 0) &&
-         !Isolate::Current()->debugger()->IsActive();
-}
-
-
 // Returns 'true' if code generation for this function is complete, i.e.,
 // no fall-through to regular code is needed.
 bool FlowGraphCompiler::TryIntrinsify() {
-  if (!CanOptimize()) return false;
   // Intrinsification skips arguments checks, therefore disable if in checked
   // mode.
   if (FLAG_intrinsify && !FLAG_trace_functions && !FLAG_enable_type_checks) {
@@ -285,7 +285,7 @@
                                      cid,
                                      checked_argument_count));
   const Array& arguments_descriptor =
-      CodeGenerator::ArgumentsDescriptor(argument_count, argument_names);
+      DartEntry::ArgumentsDescriptor(argument_count, argument_names);
   uword label_address = 0;
   switch (checked_argument_count) {
     case 1:
@@ -320,7 +320,7 @@
   ASSERT(frame_register_allocator()->IsSpilled());
 
   const Array& arguments_descriptor =
-      CodeGenerator::ArgumentsDescriptor(argument_count, argument_names);
+      DartEntry::ArgumentsDescriptor(argument_count, argument_names);
   const intptr_t descr_offset = EmitStaticCall(function,
                                                arguments_descriptor,
                                                argument_count);