[google] Dump inline decisions more wisely

[Dehao Chen]

Hi,

This patch:

* dump inline decisions with profile info whenever available.
* disable dump of einline decisions at OPT_INFO_MIN.

Is it ok for google branches?

thanks,
Dehao

2012-01-04  Dehao Chen  <dehao@google.com>

	* ipa-inline.c (cgraph_node_opt_info): Print profile info if available
	(dump_inline_decision): Disable einline dump at OPT_INFO_MIN

Index: gcc/ipa-inline.c
===================================================================
--- gcc/ipa-inline.c	(revision 182864)
+++ gcc/ipa-inline.c	(working copy)
@@ -308,12 +308,12 @@
     bfd_name = "unknown";

   buf_size = strlen (bfd_name) + 1;
-  if (flag_opt_info >= OPT_INFO_MED && profile_info)
+  if (profile_info)
     buf_size += (2 * MAX_INT_LENGTH + 5);
   buf = (char *) xmalloc (buf_size);

   strcpy (buf, bfd_name);
-  if (flag_opt_info >= OPT_INFO_MED && profile_info)
+  if (profile_info)
     sprintf (buf,
 	     "%s ("HOST_WIDEST_INT_PRINT_DEC", "HOST_WIDEST_INT_PRINT_DEC")",
 	     buf, node->count, node->max_bb_count);
@@ -364,6 +364,16 @@
   const char *call_count_text;
   struct cgraph_node *final_caller = edge->caller;

+  if (flag_opt_info < OPT_INFO_MED)
+    {
+      tree decl = edge->caller->decl;
+      if (decl)
+	{
+	  struct function *fn = DECL_STRUCT_FUNCTION (decl);
+	  if (!fn || !fn->always_inline_functions_inlined)
+	    return;
+	}
+    }
   if (final_caller->global.inlined_to != NULL)
     inline_chain_text = cgraph_node_call_chain (final_caller, &final_caller);
   else