Fix minor bug in accounting external functions

Submitted by Jan Hubicka on Oct. 26, 2012, 4:53 p.m.


Message ID
State New
Headers show

Commit Message

Jan Hubicka Oct. 26, 2012, 4:53 p.m.
inliner knows that removing external function is not going to save any code,
but it should also know that inlining into external function that is itself
not inline (yet) does not cost you anything either.

Bootstrapped/regtested x86_64-linux, comitted.


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Index: ipa-inline-transform.c
--- ipa-inline-transform.c	(revision 192821)
+++ ipa-inline-transform.c	(working copy)
@@ -269,7 +269,10 @@  inline_call (struct cgraph_edge *e, bool
 	      || predicated);
-  if (overall_size)
+  /* Account the change of overall unit size; external functions will be
+     removed and are thus not accounted.  */
+  if (overall_size
+      && !DECL_EXTERNAL (to->symbol.decl))
     *overall_size += new_size - old_size;