int i;
build_scops_1 (bb, &tmp_scops, loop);
- /* XXX: Use 'e->src' ot better 'bb'? */
+
+ /* Start at all bbs dominated by a loop exit that only exists in this
+ loop. */
for (i = 0; VEC_iterate (edge, exits, i, e); i++)
- if (dominated_by_p (CDI_DOMINATORS, e->dest, e->src)
- && e->src->loop_father == loop)
- build_scops_1 (e->dest, &tmp_scops, e->dest->loop_father);
+ if (e->src->loop_father == loop)
+ {
+ VEC (basic_block, heap) *dominated;
+ basic_block b;
+ int j;
+ dominated = get_dominated_by (CDI_DOMINATORS, e->src);
+ for (j = 0; VEC_iterate (basic_block, dominated, j, b); j++)
+ /* Loop exit. */
+ if (loop_depth (find_common_loop (loop, b->loop_father))
+ < loop_depth (loop))
+ {
+ /* Pass loop_outer to recognize b as loop header in
+ build_scops_1. */
+ if (b->loop_father->header == b)
+ build_scops_1 (b, &tmp_scops, loop_outer (b->loop_father));
+ else
+ build_scops_1 (b, &tmp_scops, b->loop_father);
+ }
+ }
result.next = NULL;
result.last = NULL;
for (i = 0; VEC_iterate (basic_block, dominated, i, dom_bb); i++)
{
/* Ignore loop exits: they will be handled after the loop body. */
- if (is_loop_exit (loop, dom_bb))
+ if (loop_depth (find_common_loop (loop, dom_bb->loop_father))
+ < loop_depth (loop))
{
result.exits = true;
continue;
int i;
sd_region *s;
-
for (i = 0; VEC_iterate (sd_region, regions, i, s); i++)
create_single_entry_edge (s);
--- /dev/null
+/* { dg-options "-O3 -fgraphite-identity -fdump-tree-graphite-all" } */
+
+typedef struct
+{
+ int mode,state,num,state_out;
+ unsigned char* bits;
+ char *out;
+}test;
+unsigned char copy( test* s )
+{
+ while(1)
+ {
+ if (s->mode == 0) break;
+ if (s->state_out >= s->num) break;
+ *(s->out) = s->bits[s->state_out];
+ if (s->mode == 0) s->mode++;
+ }
+}
+unsigned char compress(test *in)
+{
+ unsigned char p_in, p_out;
+ while(1)
+ {
+ if (in->state == 1)
+ {
+ p_out |= copy(in);
+ if (in->state_out < in->num) break;
+ }
+ }
+ return p_in || p_out;
+