Enable inlining of functions containing loops.

src/ast.cc

 // Copyright 2011 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 349 matching lines @@
   return false;
 }
 
 
 bool Slot::IsInlineable() const {
   UNREACHABLE();
   return false;
 }
 
 
-bool ForStatement::IsInlineable() const {
-  return false;
-}
-
-
-bool WhileStatement::IsInlineable() const {
-  return false;
-}
-
-
-bool DoWhileStatement::IsInlineable() const {
-  return false;
-}
-
-
 bool ForInStatement::IsInlineable() const {
   return false;
 }
 
 
-bool ContinueStatement::IsInlineable() const {
-  return false;
-}
-
-
-bool BreakStatement::IsInlineable() const {
-  return false;
-}
-
-
 bool WithEnterStatement::IsInlineable() const {
   return false;
 }
 
 
 bool WithExitStatement::IsInlineable() const {
   return false;
 }
 
 
@@ skipping 54 matching lines @@
   return false;
 }
 
 
 bool ValidLeftHandSideSentinel::IsInlineable() const {
   UNREACHABLE();
   return false;
 }
 
 
+bool ForStatement::IsInlineable() const {
+  return (init() == NULL || init()->IsInlineable())
+      && (cond() == NULL || cond()->IsInlineable())
+      && (next() == NULL || next()->IsInlineable())
+      && body()->IsInlineable();
+}
+
+
+bool WhileStatement::IsInlineable() const {
+  return cond()->IsInlineable()
+      && body()->IsInlineable();
+}
+
+
+bool DoWhileStatement::IsInlineable() const {
+  return cond()->IsInlineable()
+      && body()->IsInlineable();
+}
+
+
+bool ContinueStatement::IsInlineable() const {
+  return true;
+}
+
+
+bool BreakStatement::IsInlineable() const {
+  return true;
+}
+
+
 bool EmptyStatement::IsInlineable() const {
   return true;
 }
 
 
 bool Literal::IsInlineable() const {
   return true;
 }
 
 
@@ skipping 656 matching lines @@
                        ZoneList<Statement*>* statements,
                        int pos)
     : label_(label),
       statements_(statements),
       position_(pos),
       compare_type_(NONE),
       entry_id_(AstNode::GetNextId()) {
 }
 
 } }  // namespace v8::internal