[Bug tree-optimization/66726] missed optimization, factor conversion out of COND_EXPR

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66726

--- Comment #8 from kugan at gcc dot gnu.org ---
Author: kugan
Date: Sun Jul 12 11:22:42 2015
New Revision: 225722

URL: https://gcc.gnu.org/viewcvs?rev=225722&root=gcc&view=rev
Log:
gcc/testsuite/ChangeLog:

2015-07-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
            Jeff Law  <law@redhat.com>

        PR middle-end/66726
        * g++.dg/tree-ssa/pr66726.c: New test.
        * gcc.dg/tree-ssa/pr66726-2.c: New test.
        * gcc.dg/tree-ssa/pr66726.c: New test.


gcc/ChangeLog:

2015-07-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR middle-end/66726
        * tree-ssa-phiopt.c(factor_out_conditional_conversion): New function.
        tree_ssa_phiopt_worker): Call it.



Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr66726.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr66726-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr66726.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-phiopt.c