r153450 - in /trunk/gcc: ChangeLog ipa-pure-con...

[hubicka at gcc dot gnu dot org]

Author: hubicka
Date: Thu Oct 22 11:40:18 2009
New Revision: 153450

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153450
Log:

	PR tree-optimize/40556                                                                                                                                         
	* ipa-reference.c (has_proper_scope_for_analysis): Add fixme about global vars.                                                                                
	(check_call): Handle only indirect calls.                                                                                                                      
	(propagate_bits): Update comment.                                                                                                                              
	(write_node_summary_p): Turn bogus check to assert.                                                                                                            
	(ipa_reference_write_summary): Stream calls_read_all properly.                                                                                                 
	(ipa_reference_read_summary): Stream in calls_read_all properly.                                                                                               
	(read_write_all_from_decl): New function.                                                                                                                      
	(propagate): Handle OVERWRITABLE nodes and external calls here.                                                                                                
	* ipa-pre-const.c (check_call): In IPA mode handle indirect calls                                                                                              
	only.                                                                                                                                                          
	(analyze_function): Do not check visibility here.                                                                                                              
	(add_new_function): We summary OVERWRITABLE too.                                                                                                               
	(generate_summary): Stream OVERWRITABLE nodes too.                                                                                                             
	(propagate): Handle external calls and OVERWRITABLE nodes here.                                                                                                
	(local_pure_const): Check visibility here.                                                                                                                     

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr40556.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-pure-const.c
    trunk/gcc/ipa-reference.c
    trunk/gcc/testsuite/ChangeLog