[Bug tree-optimization/81248] No ipa-sra optimization for small struct / class

["jamborm at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81248

--- Comment #8 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Mon Nov 27 10:33:06 2017
New Revision: 255163

URL: https://gcc.gnu.org/viewcvs?rev=255163&root=gcc&view=rev
Log:
[PR 81248] Fix ipa-sra size check

2017-11-27  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/81248
        * tree-sra.c (splice_param_accesses): Remove size check.
        (decide_one_param_reduction): Fix size check.
        * gimple-pretty-print.c (dump_profile): Silence warning.
        * params.def (PARAM_IPA_SRA_PTR_GROWTH_FACTOR): Adjust description.

        testsuite/
        * g++.dg/ipa/pr81248.C: New test.
        * gcc.dg/tree-ssa/ssa-pre-31.c: Disable IPA-SRA.
        * gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-2.c: Likewise.


Added:
    trunk/gcc/testsuite/g++.dg/ipa/pr81248.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-pretty-print.c
    trunk/gcc/params.def
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/ipa/ipcp-cstagg-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-31.c
    trunk/gcc/tree-sra.c