[Bug middle-end/37485] [graphite] Disconnecting exit edge in process of code generation

[spop at gcc dot gnu dot org]

------- Comment #14 from spop at gcc dot gnu dot org  2008-10-15 16:25 -------
Subject: Bug 37485

Author: spop
Date: Wed Oct 15 16:24:15 2008
New Revision: 141143

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141143
Log:
2008-10-15  Jan Sjodin  <jan.sjodin@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/37485
        * graphite.c (gmp_cst_to_tree): Moved.
        (iv_stack_entry_is_constant): New.
        (iv_stack_entry_is_iv): New.
        (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
        (loop_iv_stack_insert_constant): New.
        (loop_iv_stack_pop): Use new datatpype.
        (loop_iv_stack_get_iv): Same.
        (loop_iv_stack_get_iv_from_name): Same.
        (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
        (loop_iv_stack_patch_for_consts): New.
        (loop_iv_stack_remove_constants): New.
        (graphite_create_new_loop): Use loop_iv_stack_push_iv.
        (translate_clast): Call loop_iv_stack_patch_for_consts and
        loop_iv_stack_remove_constants.
        (gloog): Use new datatype.  Redirect construction edge to end
        block to avoid accidental deletion.
        * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
        iv stack entry.
        (union iv_stack_entry_data): New.  Data in iv stack entry.
        (struct iv_stack_entry): New.  Datatype for iv stack entries.

2008-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (stmt_simple_memref_p): Fix memleak.
        * graphite.c (free_scop): Same.
        (build_scops): Same.
        (free_scattering): New.
        (build_cloog_prog): Call free_scattering.
        (patch_phis_for_virtual_defs): Fix memleak.
        (graphite_trans_bb_strip_mine): Same.
        (limit_scops): Same.


Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr37485.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite.c
    trunk/gcc/graphite.h
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-data-ref.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37485