should_duplicate_loop_header_p (basic_block header, struct loop *loop,
int *limit)
{
- block_stmt_iterator bsi;
- tree last;
+ gimple_stmt_iterator bsi;
+ gimple last;
/* Do not copy one block more than once (we do not really want to do
loop peeling here). */
return false;
last = last_stmt (header);
- if (TREE_CODE (last) != COND_EXPR)
+ if (gimple_code (last) != GIMPLE_COND)
return false;
/* Approximately copy the conditions that used to be used in jump.c --
at most 20 insns and no calls. */
- for (bsi = bsi_start (header); !bsi_end_p (bsi); bsi_next (&bsi))
+ for (bsi = gsi_start_bb (header); !gsi_end_p (bsi); gsi_next (&bsi))
{
- last = bsi_stmt (bsi);
+ last = gsi_stmt (bsi);
- if (TREE_CODE (last) == LABEL_EXPR)
+ if (gimple_code (last) == GIMPLE_LABEL)
continue;
- if (get_call_expr_in (last))
+ if (is_gimple_call (last))
return false;
*limit -= estimate_num_insns (last, &eni_size_weights);
static bool
do_while_loop_p (struct loop *loop)
{
- tree stmt = last_stmt (loop->latch);
+ gimple stmt = last_stmt (loop->latch);
/* If the latch of the loop is not empty, it is not a do-while loop. */
if (stmt
- && TREE_CODE (stmt) != LABEL_EXPR)
+ && gimple_code (stmt) != GIMPLE_LABEL)
return false;
/* If the header contains just a condition, it is not a do-while loop. */
stmt = last_and_only_stmt (loop->header);
if (stmt
- && TREE_CODE (stmt) == COND_EXPR)
+ && gimple_code (stmt) == GIMPLE_COND)
return false;
return true;
entry = loop_preheader_edge (loop);
- if (!tree_duplicate_sese_region (entry, exit, bbs, n_bbs, copied_bbs))
+ if (!gimple_duplicate_sese_region (entry, exit, bbs, n_bbs, copied_bbs))
{
fprintf (dump_file, "Duplication failed.\n");
continue;
we assume that "j < j + 10" is true. We don't want to warn
about that case for -Wstrict-overflow, because in general we
don't warn about overflow involving loops. Prevent the
- warning by setting TREE_NO_WARNING. */
+ warning by setting the no_warning flag in the condition. */
if (warn_strict_overflow > 0)
{
unsigned int i;
for (i = 0; i < n_bbs; ++i)
{
- block_stmt_iterator bsi;
+ gimple_stmt_iterator bsi;
- for (bsi = bsi_start (copied_bbs[i]);
- !bsi_end_p (bsi);
- bsi_next (&bsi))
+ for (bsi = gsi_start_bb (copied_bbs[i]);
+ !gsi_end_p (bsi);
+ gsi_next (&bsi))
{
- tree stmt = bsi_stmt (bsi);
- if (TREE_CODE (stmt) == COND_EXPR)
- TREE_NO_WARNING (stmt) = 1;
- else if (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT)
+ gimple stmt = gsi_stmt (bsi);
+ if (gimple_code (stmt) == GIMPLE_COND)
+ gimple_set_no_warning (stmt, true);
+ else if (is_gimple_assign (stmt))
{
- tree rhs = GIMPLE_STMT_OPERAND (stmt, 1);
- if (COMPARISON_CLASS_P (rhs))
- TREE_NO_WARNING (stmt) = 1;
+ enum tree_code rhs_code = gimple_assign_rhs_code (stmt);
+ if (TREE_CODE_CLASS (rhs_code) == tcc_comparison)
+ gimple_set_no_warning (stmt, true);
}
}
}