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tree-ssa-threadupdate.h (delete_thread_path): Declare. 

* tree-ssa-threadupdate.h (delete_thread_path): Declare.
        * tree-ssa-threadupdate.c (delete_thread_path): New function.
        (ssa_redirect_edges, thread_block_1): Use it.
        (thread_through_loop_header, mark_threaded_blocks): Likewise.
        (thread_through_all_blocks, register_jump_thread): Likewise.
        * tree-ssa-threadedge.c (thread_across_edge): Likewise.

From-SVN: r204579
This commit is contained in:
Jeff Law 2013-11-08 09:24:06 -07:00 committed by Jeff Law
parent df023e0f3e
commit f0bc3cc0ea
4 changed files with 32 additions and 33 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2013-11-08 Jeff Law <law@redhat.com>
* tree-ssa-threadupdate.h (delete_thread_path): Declare.
* tree-ssa-threadupdate.c (delete_thread_path): New function.
(ssa_redirect_edges, thread_block_1): Use it.
(thread_through_loop_header, mark_threaded_blocks): Likewise.
(thread_through_all_blocks, register_jump_thread): Likewise.
* tree-ssa-threadedge.c (thread_across_edge): Likewise.
2013-11-08 James Greenhalgh <james.greenhalgh@arm.com>
* config/arm/aarch-common.c

4
gcc/tree-ssa-threadedge.c
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@ -1086,9 +1086,7 @@ thread_across_edge (gimple dummy_cond,
}
else
{
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release();
delete_jump_thread_path (path);
}
}
BITMAP_FREE (visited);

51
gcc/tree-ssa-threadupdate.c
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@ -555,9 +555,7 @@ ssa_redirect_edges (struct redirection_data **slot,
/* Go ahead and clear E->aux. It's not needed anymore and failure
to clear it will cause all kinds of unpleasant problems later. */
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
e->aux = NULL;
}
@ -703,9 +701,7 @@ thread_block_1 (basic_block bb, bool noloop_only, bool joiners)
/* Since this case is not handled by our special code
to thread through a loop header, we must explicitly
cancel the threading request here. */
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
e->aux = NULL;
continue;
}
@ -1161,9 +1157,7 @@ thread_through_loop_header (struct loop *loop, bool may_peel_loop_headers)
if (e->src->loop_father != e2->dest->loop_father
&& e2->dest != loop->header)
{
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
e->aux = NULL;
}
}
@ -1213,9 +1207,7 @@ fail:
if (path)
{
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
e->aux = NULL;
}
}
@ -1310,9 +1302,7 @@ mark_threaded_blocks (bitmap threaded_blocks)
if (e2 && !phi_args_equal_on_edges (e2, final_edge))
{
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
e->aux = NULL;
}
}
@ -1336,9 +1326,7 @@ mark_threaded_blocks (bitmap threaded_blocks)
if (e->aux)
{
vec<jump_thread_edge *> *path = THREAD_PATH (e);
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
e->aux = NULL;
}
}
@ -1395,9 +1383,7 @@ mark_threaded_blocks (bitmap threaded_blocks)
|| (path->last ()->type
== EDGE_COPY_SRC_JOINER_BLOCK))
{
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
e->aux = NULL;
}
break;
@ -1498,9 +1484,7 @@ thread_through_all_blocks (bool may_peel_loop_headers)
{
vec<jump_thread_edge *> *path = THREAD_PATH (e);
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
e->aux = NULL;
}
}
@ -1520,6 +1504,17 @@ thread_through_all_blocks (bool may_peel_loop_headers)
return retval;
}
/* Delete the jump threading path PATH. We have to explcitly delete
each entry in the vector, then the container. */
void
delete_jump_thread_path (vec<jump_thread_edge *> *path)
{
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release();
}
/* Dump a jump threading path, including annotations about each
edge in the path. */
@ -1565,9 +1560,7 @@ register_jump_thread (vec<jump_thread_edge *> *path)
{
if (!dbg_cnt (registered_jump_thread))
{
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
return;
}
@ -1583,9 +1576,7 @@ register_jump_thread (vec<jump_thread_edge *> *path)
dump_jump_thread_path (dump_file, *path);
}
for (unsigned int i = 0; i < path->length (); i++)
delete (*path)[i];
path->release ();
delete_jump_thread_path (path);
return;
}

1
gcc/tree-ssa-threadupdate.h
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@ -42,4 +42,5 @@ public:
};
extern void register_jump_thread (vec <class jump_thread_edge *> *);
extern void delete_jump_thread_path (vec <class jump_thread_edge *> *);
#endif