2010-01-14 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/42706
* tree-sra.c (encountered_recursive_call): New variable.
(encountered_unchangable_recursive_call): Likewise.
(sra_initialize): Initialize both new variables.
(callsite_has_enough_arguments_p): New function.
(scan_function): Call decl and flags check only for IPA-SRA, check
whether there is a recursive call and whether it has enough arguments.
(all_callers_have_enough_arguments_p): New function.
(convert_callers): Look for recursive calls only when
encountered_recursive_call is set.
(ipa_early_sra): Bail out either if
!all_callers_have_enough_arguments_p or
encountered_unchangable_recursive_call.
* testsuite/gcc.dg/ipa/pr42706.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155911
138bc75d-0d04-0410-961f-
82ee72b054a4