Store optimized flow graph statistics on the function itself.

runtime/vm/compiler.cc

Index: runtime/vm/compiler.cc
diff --git a/runtime/vm/compiler.cc b/runtime/vm/compiler.cc
index 9ba029666b3adafd52ca85900d0b46a7a0f9e719..7a17c7ddb51fe55ee0bd6cc6cc93ef79b49bc056 100644
--- a/runtime/vm/compiler.cc
+++ b/runtime/vm/compiler.cc
@@ -183,6 +183,10 @@ static bool CompileParsedFunctionHelper(const ParsedFunction& parsed_function,
 
       // Inlining (mutates the flow graph)
       if (FLAG_use_inlining) {
+        // Collect graph info and store it on the function.
+        // We might later use it for an early bailout from the inlining.
+        FlowGraphInliner::CollectGraphInfo(flow_graph);

[Kevin Millikin (Google), 2012/12/13 16:43:40]

Why not move this down into FlowGraphInliner::Inline()?  Just to avoid timing
it?

[Vyacheslav Egorov (Google), 2012/12/13 18:54:46]

Done.

+
         TimerScope timer(FLAG_compiler_stats,
                          &CompilerStats::graphinliner_timer);
         FlowGraphInliner inliner(flow_graph);