Track loop nesting across function calls when the function...

src/globals.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 264 matching lines @@
 
 // Callback function on inline caches, used for iterating over inline caches
 // in compiled code.
 typedef void (*InlineCacheCallback)(Code* code, Address ic);
 
 
 // State for inline cache call sites. Aliased as IC::State.
 enum InlineCacheState {
   // Has never been executed.
   UNINITIALIZED,
+  // Has never been executed, but is in a loop.
+  UNINITIALIZED_IN_LOOP,
   // Has been executed but monomorhic state has been delayed.
   PREMONOMORPHIC,
   // Has been executed and only one receiver type has been seen.
   MONOMORPHIC,
   // Like MONOMORPHIC but check failed due to prototype.
   MONOMORPHIC_PROTOTYPE_FAILURE,
   // Multiple receiver types have been seen.
   MEGAMORPHIC,
   // Special states for debug break or step in prepare stubs.
   DEBUG_BREAK,
@@ skipping 202 matching lines @@
 
   Dest dest;
   memcpy(&dest, &source, sizeof(dest));
   return dest;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_GLOBALS_H_