[Bug rtl-optimization/63618] CSE at IRA pass delete SET_GOT which is used later

[iverbin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63618

--- Comment #5 from iverbin at gcc dot gnu.org ---
Author: iverbin
Date: Thu Oct 23 16:52:11 2014
New Revision: 216596

URL: https://gcc.gnu.org/viewcvs?rev=216596&root=gcc&view=rev
Log:
    PR target/63534
    PR target/63618
gcc/
    * cse.c (delete_trivially_dead_insns): Consider PIC register is used
    while it is pseudo.
    * dse.c (deletable_insn_p): Likewise.
gcc/testsuite/
    * gcc.target/i386/pr63618.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr63618.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cse.c
    trunk/gcc/dce.c
    trunk/gcc/testsuite/ChangeLog