[Bug tree-optimization/26629] tree load PRE does not work on array references

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

------- Comment #5 from pinskia at gcc dot gnu dot org  2006-03-20 21:00 -------
Subject: Bug 26629

Author: pinskia
Date: Mon Mar 20 21:00:18 2006
New Revision: 112227

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=112227
Log:
2006-03-20  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/26629
        * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
        (valid_in_set): Handle ARRAY_REF.
        Change "if min_variant or VH" to asserts.
        (create_component_ref_by_pieces): Handle ARRAY_REF.
        (create_expression_by_pieces): Likewise.
        (can_PRE_operation): ARRAY_REFs can now be PRE'd.

2006-03-20  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/26629
        * gcc.dg/tree-ssa/loadpre12.c: New test.
        * gcc.dg/tree-ssa/loadpre13.c: New test.
        * gcc.dg/tree-ssa/loadpre14.c: New test.
        * gcc.dg/tree-ssa/loadpre15.c: New test.
        * gcc.dg/tree-ssa/loadpre16.c: New test.
        * gcc.dg/tree-ssa/loadpre17.c: New test.
        * gcc.dg/tree-ssa/loadpre18.c: New test.
        * gcc.dg/tree-ssa/loadpre19.c: New test.
        * gcc.dg/tree-ssa/loadpre20.c: New test.
        * gcc.dg/tree-ssa/loadpre21.c: New test.
        * gcc.dg/tree-ssa/loadpre22.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre12.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre13.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre14.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre16.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre17.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre18.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre19.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre20.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre21.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre22.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26629