[google] make the temp names in FDO/LIPO demanglable (issue6251048)

[Rong Xu]

Hi,

This is for google branches only.

It changes the format of the temp function name so that they
can be demangled.

Tested with regression tests.

Google ref b/5733865.

Thanks,

2012-05-24   Rong Xu  <x...@google.com>

        * l-ipo.c (create_unique_name): Make temp names demanglable.

Index: l-ipo.c
===================================================================
--- l-ipo.c     (revision 187817)
+++ l-ipo.c     (working copy)
@@ -1726,15 +1726,15 @@ create_unique_name (tree decl, unsigned module_id)
       char *n;
       unsigned fno =  FUNC_DECL_FUNC_ID (context);
       n = (char *)alloca (strlen (name) + 15);
-      sprintf (n, "%s_%u", name, fno);
+      sprintf (n, "%s.%u", name, fno);
       name = n;
     }
 
   assembler_name = (char*) alloca (strlen (name) + 30);
-  sprintf (assembler_name, "%s_cmo_%u", name, module_id);
+  sprintf (assembler_name, "%s.cmo.%u", name, module_id);
   seq = get_name_seq_num (assembler_name);
   if (seq)
-    sprintf (assembler_name, "%s_%d", assembler_name, seq);
+    sprintf (assembler_name, "%s.%d", assembler_name, seq);
 
   assemb_id = get_identifier (assembler_name);
 

--
This patch is available for review at http://codereview.appspot.com/6251048