[Bug debug/54971] SRA pessimizes debug info by not creating debug stmts for fields without replacements

[jamborm at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54971

--- Comment #10 from Martin Jambor <jamborm at gcc dot gnu.org> 2012-10-26 16:13:08 UTC ---
Author: jamborm
Date: Fri Oct 26 16:13:00 2012
New Revision: 192848

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192848
Log:
2012-10-26  Martin Jambor  <mjambor@suse.cz>

    PR debug/54971
    * tree-sra.c (struct access): New flag grp_to_be_debug_replaced.
    (dump_access): Dump the new flag.
    (analyze_access_subtree): Set the new flag when appropriate.
    (create_access_replacement): Handle debug replacements differently.
    (generate_subtree_copies): Handle the grp_to_be_debug_replaced flag.
    (init_subtree_with_zero): Likewise.
    (sra_modify_expr): Likewise.
    (load_assign_lhs_subreplacements): Likewise.
    (sra_modify_assign): Likewise.



Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-sra.c