X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fdfo.lisp;h=195226d6dc63ff485f960ef111120787c7e94a41;hb=1b6dc22623c7bdc5137e98541f0e21f8f1c55caa;hp=6d5d6a7c733b38b7e10f9c70352c2e774d4a23fe;hpb=57e21c4b62e8c1a1ee7ef59ed2abb0c864fb06bc;p=sbcl.git

diff --git a/src/compiler/dfo.lisp b/src/compiler/dfo.lisp
index 6d5d6a7..195226d 100644
--- a/src/compiler/dfo.lisp
+++ b/src/compiler/dfo.lisp
@@ -22,7 +22,7 @@
   (let ((head (component-head component)))
     (do ()
 	((dolist (ep (block-succ head) t)
-	   (unless (block-flag ep)
+	   (unless (or (block-flag ep) (block-delete-p ep))
 	     (find-dfo-aux ep head component)
 	     (return nil))))))
   (let ((num 0))
@@ -30,10 +30,8 @@
     (do-blocks-backwards (block component :both)
       (if (block-flag block)
 	  (setf (block-number block) (incf num))
-	  (setf (block-delete-p block) t)))
-    (do-blocks (block component)
-      (when (block-delete-p block)
-	(delete-block block))))
+	  (delete-block-lazily block)))
+    (clean-component component (component-head component)))
   (values))
 
 ;;; Move all the code and entry points from OLD to NEW. The code in
@@ -89,7 +87,7 @@
 (defun find-dfo-aux (block head component)
   (unless (eq (block-component block) component)
     (join-components component (block-component block)))
-  (unless (block-flag block)
+  (unless (or (block-flag block) (block-delete-p block))
     (setf (block-flag block) t)
     (dolist (succ (block-succ block))
       (find-dfo-aux succ head component))