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

[amylaar at gcc dot gnu.org]

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

--- Comment #21 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> ---
Author: amylaar
Date: Mon Jul  1 21:48:55 2019
New Revision: 272911

URL: https://gcc.gnu.org/viewcvs?rev=272911&root=gcc&view=rev
Log:
        PR middle-end/66726
        * tree-ssa-phiopt.c (factor_out_conditional_conversion):
        Tune heuristic from PR71016 to allow MIN / MAX.
        * testsuite/gcc.dg/tree-ssa/pr66726-4.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr66726-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-phiopt.c