r149942 - in /trunk/gcc: ChangeLog testsuite/Ch...

[matz@gcc.gnu.org]

Author: matz
Date: Wed Jul 22 15:30:50 2009
New Revision: 149942

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149942
Log:
        PR tree-optimization/35229
        PR tree-optimization/39300

        * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
        (inhibit_phi_insertion): New function.
        (insert_into_preds_of_block): Call it for REFERENCEs.
        (init_pre): Initialize and finalize scalar evolutions.
        * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .

testsuite/
        * gcc.dg/vect/vect-pre-interact.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/vect-pre-interact.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c