if (npeel)
{
+ bool ok;
+
wont_exit = sbitmap_alloc (npeel + 1);
sbitmap_ones (wont_exit);
RESET_BIT (wont_exit, 0);
opt_info = analyze_insns_in_loop (loop);
opt_info_start_duplication (opt_info);
- if (!duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
- loops, npeel,
- wont_exit, desc->out_edge, remove_edges, &n_remove_edges,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ ok = duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
+ loops, npeel,
+ wont_exit, desc->out_edge,
+ remove_edges, &n_remove_edges,
+ DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
free (wont_exit);
struct niter_desc *desc = get_simple_loop_desc (loop);
bool exit_at_end = loop_exit_at_end_p (loop);
struct opt_info *opt_info = NULL;
+ bool ok;
niter = desc->niter;
if (exit_mod)
{
opt_info_start_duplication (opt_info);
- if (!duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
+ ok = duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
loops, exit_mod,
wont_exit, desc->out_edge,
remove_edges, &n_remove_edges,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
if (opt_info && exit_mod > 1)
apply_opt_in_copies (opt_info, exit_mod, false, false);
RESET_BIT (wont_exit, 1);
opt_info_start_duplication (opt_info);
- if (!duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
- loops, exit_mod + 1,
- wont_exit, desc->out_edge, remove_edges, &n_remove_edges,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ ok = duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
+ loops, exit_mod + 1,
+ wont_exit, desc->out_edge,
+ remove_edges, &n_remove_edges,
+ DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
if (opt_info && exit_mod > 0)
apply_opt_in_copies (opt_info, exit_mod + 1, false, false);
/* Now unroll the loop. */
opt_info_start_duplication (opt_info);
- if (!duplicate_loop_to_header_edge (loop, loop_latch_edge (loop),
- loops, max_unroll,
- wont_exit, desc->out_edge, remove_edges, &n_remove_edges,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ ok = duplicate_loop_to_header_edge (loop, loop_latch_edge (loop),
+ loops, max_unroll,
+ wont_exit, desc->out_edge,
+ remove_edges, &n_remove_edges,
+ DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
if (opt_info)
{
struct niter_desc *desc = get_simple_loop_desc (loop);
bool exit_at_end = loop_exit_at_end_p (loop);
struct opt_info *opt_info = NULL;
+ bool ok;
if (flag_split_ivs_in_unroller
|| flag_variable_expansion_in_unroller)
&& !desc->noloop_assumptions)
SET_BIT (wont_exit, 1);
ezc_swtch = loop_preheader_edge (loop)->src;
- if (!duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
- loops, 1,
- wont_exit, desc->out_edge, remove_edges, &n_remove_edges,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ ok = duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
+ loops, 1,
+ wont_exit, desc->out_edge,
+ remove_edges, &n_remove_edges,
+ DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
/* Record the place where switch will be built for preconditioning. */
swtch = loop_split_edge_with (loop_preheader_edge (loop),
sbitmap_zero (wont_exit);
if (i != n_peel - 1 || !last_may_exit)
SET_BIT (wont_exit, 1);
- if (!duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
- loops, 1,
- wont_exit, desc->out_edge, remove_edges, &n_remove_edges,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ ok = duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
+ loops, 1,
+ wont_exit, desc->out_edge,
+ remove_edges, &n_remove_edges,
+ DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
/* Create item for switch. */
j = n_peel - i - (extra_zero_check ? 0 : 1);
preheader = loop_split_edge_with (loop_preheader_edge (loop), NULL_RTX);
branch_code = compare_and_jump_seq (copy_rtx (niter), GEN_INT (j), EQ,
- block_label (preheader), p, NULL_RTX);
+ block_label (preheader), p,
+ NULL_RTX);
swtch = loop_split_edge_with (single_pred_edge (swtch), branch_code);
set_immediate_dominator (CDI_DOMINATORS, preheader, swtch);
swtch = ezc_swtch;
preheader = loop_split_edge_with (loop_preheader_edge (loop), NULL_RTX);
branch_code = compare_and_jump_seq (copy_rtx (niter), const0_rtx, EQ,
- block_label (preheader), p, NULL_RTX);
+ block_label (preheader), p,
+ NULL_RTX);
swtch = loop_split_edge_with (single_succ_edge (swtch), branch_code);
set_immediate_dominator (CDI_DOMINATORS, preheader, swtch);
RESET_BIT (wont_exit, may_exit_copy);
opt_info_start_duplication (opt_info);
- if (!duplicate_loop_to_header_edge (loop, loop_latch_edge (loop),
- loops, max_unroll,
- wont_exit, desc->out_edge, remove_edges, &n_remove_edges,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ ok = duplicate_loop_to_header_edge (loop, loop_latch_edge (loop),
+ loops, max_unroll,
+ wont_exit, desc->out_edge,
+ remove_edges, &n_remove_edges,
+ DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
if (opt_info)
{
if (exit_at_end)
{
basic_block exit_block = desc->in_edge->src->rbi->copy;
- /* Find a new in and out edge; they are in the last copy we have made. */
+ /* Find a new in and out edge; they are in the last copy we have
+ made. */
if (EDGE_SUCC (exit_block, 0)->dest == desc->out_edge->dest)
{
the correct new number of iterations is this: */
gcc_assert (!desc->const_iter);
desc->niter_expr =
- simplify_gen_binary (UDIV, desc->mode, old_niter, GEN_INT (max_unroll + 1));
+ simplify_gen_binary (UDIV, desc->mode, old_niter,
+ GEN_INT (max_unroll + 1));
desc->niter_max /= max_unroll + 1;
if (exit_at_end)
{
unsigned npeel = loop->lpt_decision.times;
struct niter_desc *desc = get_simple_loop_desc (loop);
struct opt_info *opt_info = NULL;
+ bool ok;
if (flag_split_ivs_in_unroller && npeel > 1)
opt_info = analyze_insns_in_loop (loop);
opt_info_start_duplication (opt_info);
- if (!duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
- loops, npeel, wont_exit, NULL, NULL, NULL,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ ok = duplicate_loop_to_header_edge (loop, loop_preheader_edge (loop),
+ loops, npeel, wont_exit,
+ NULL, NULL,
+ NULL, DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
free (wont_exit);
unsigned nunroll = loop->lpt_decision.times;
struct niter_desc *desc = get_simple_loop_desc (loop);
struct opt_info *opt_info = NULL;
+ bool ok;
if (flag_split_ivs_in_unroller
|| flag_variable_expansion_in_unroller)
sbitmap_zero (wont_exit);
opt_info_start_duplication (opt_info);
- if (!duplicate_loop_to_header_edge (loop, loop_latch_edge (loop),
- loops, nunroll, wont_exit, NULL, NULL, NULL,
- DLTHE_FLAG_UPDATE_FREQ))
- abort ();
+ ok = duplicate_loop_to_header_edge (loop, loop_latch_edge (loop),
+ loops, nunroll, wont_exit,
+ NULL, NULL, NULL,
+ DLTHE_FLAG_UPDATE_FREQ);
+ gcc_assert (ok);
if (opt_info)
{
rtx set, dest;
struct rtx_iv iv;
struct iv_to_split *ivts;
+ bool ok;
/* For now we just split the basic induction variables. Later this may be
extended for example by selecting also addresses of memory references. */
if (!biv_p (insn, dest))
return NULL;
- if (!iv_analyze (insn, dest, &iv))
- abort ();
+ ok = iv_analyze (insn, dest, &iv);
+ gcc_assert (ok);
if (iv.step == const0_rtx
|| iv.mode != iv.extend_mode)
analyze_insns_in_loop (struct loop *loop)
{
basic_block *body, bb;
- unsigned i, n_edges = 0;
+ unsigned i, num_edges = 0;
struct opt_info *opt_info = xcalloc (1, sizeof (struct opt_info));
rtx insn;
struct iv_to_split *ivts = NULL;
struct var_to_expand *ves = NULL;
PTR *slot1;
PTR *slot2;
- edge *edges = get_loop_exit_edges (loop, &n_edges);
+ edge *edges = get_loop_exit_edges (loop, &num_edges);
bool can_apply = false;
iv_analysis_loop_init (loop);
else
opt_info->loop_preheader = loop_preheader_edge (loop)->src;
- if (n_edges == 1
+ if (num_edges == 1
&& !(edges[0]->flags & EDGE_COMPLEX))
{
opt_info->loop_exit = loop_split_edge_with (edges[0], NULL_RTX);