FlowGraphCompiler is not a visitor any longer. Start consolidating shared code between the x64 and …

runtime/vm/intermediate_language_ia32.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/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/flow_graph_compiler.h"
@@ skipping 36 matching lines @@
   return result;
 }
 
 
 void BindInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   computation()->EmitNativeCode(compiler);
   __ pushl(locs()->out().reg());
 }
 
 
+void GraphEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  // Nothing to do.
+}
+
+
+void JoinEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  __ Bind(compiler->GetBlockLabel(this));
+}
+
+
+void TargetEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  __ Bind(compiler->GetBlockLabel(this));
+  if (HasTryIndex()) {
+    compiler->AddExceptionHandler(try_index(),
+                                  compiler->assembler()->CodeSize());
+  }
+}
+
+
 LocationSummary* ReturnInstr::MakeLocationSummary() const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* locs = new LocationSummary(kNumInputs, kNumTemps);
   locs->set_in(0, Location::RegisterLocation(EAX));
   locs->set_temp(0, Location::RequiresRegister());
   return locs;
 }
 
 
@@ skipping 539 matching lines @@
 void NumberNegateComp::EmitNativeCode(FlowGraphCompiler* compile) {
   UNIMPLEMENTED();
 }
 
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64