Enable inlining of functions containing loops.

Review URL: http://codereview.chromium.org/6813107

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7586 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ast.cc

@@ -367,36 +367,11 @@ bool Slot::IsInlineable() const {
 }
 
 
-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;
 }
@@ -471,6 +446,36 @@ bool ValidLeftHandSideSentinel::IsInlineable() const {
 }
 
 
+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;
 }