Break Crankshaft into phases.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 6340773eab6fe4cee7da8eed08de2d5d77a77d07..a66103471bbd6cb5ae9b049bfaf00007f3e08f50 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -308,11 +308,19 @@ static bool MakeCrankshaftCode(CompilationInfo* info) {
   }
 
   if (graph != NULL) {
-    Handle<Code> optimized_code = graph->Compile();
-    if (!optimized_code.is_null()) {
-      info->SetCode(optimized_code);
-      FinishOptimization(info->closure(), start);
-      return true;
+    const char* bailout_reason = NULL;
+    if (!graph->Optimize(&bailout_reason)) {
+      builder.Bailout(bailout_reason);
+    } else {
+      LChunk* chunk = Lithium::CreateChunk(graph, &builder);

[danno, 2012/07/11 10:04:57]

How about LChunk::NewChunk?

+      if (chunk != NULL) {
+        Handle<Code> optimized_code = Lithium::Codegen(chunk);

[danno, 2012/07/11 10:04:57]

How about chunk->Codegen(); ?

+        if (!optimized_code.is_null()) {
+          info->SetCode(optimized_code);
+          FinishOptimization(info->closure(), start);
+          return true;
+        }
+      }
     }
   }