static void
lower_omp_directive (gimple_stmt_iterator *gsi, struct lower_data *data)
{
gimple stmt;
stmt = gsi_stmt (*gsi);
lower_sequence (gimple_omp_body_ptr (stmt), data);
gsi_insert_seq_after (gsi, gimple_omp_body (stmt), GSI_CONTINUE_LINKING);
gimple_omp_set_body (stmt, NULL);
gsi_next (gsi);
}
tree
walk_gimple_stmt (gimple_stmt_iterator *gsi, walk_stmt_fn callback_stmt,
walk_tree_fn callback_op, struct walk_stmt_info *wi)
{
gimple *ret;
tree tree_ret;
gimple *stmt = gsi_stmt (*gsi);
if (wi)
{
wi->gsi = *gsi;
wi->removed_stmt = false;
if (wi->want_locations && gimple_has_location (stmt))
input_location = gimple_location (stmt);
}
ret = NULL;
/* Invoke the statement callback. Return if the callback handled
all of STMT operands by itself. */
if (callback_stmt)
{
bool handled_ops = false;
tree_ret = callback_stmt (gsi, &handled_ops, wi);
if (handled_ops)
return tree_ret;
/* If CALLBACK_STMT did not handle operands, it should not have
a value to return. */
gcc_assert (tree_ret == NULL);
if (wi && wi->removed_stmt)
return NULL;
/* Re-read stmt in case the callback changed it. */
stmt = gsi_stmt (*gsi);
}
/* If CALLBACK_OP is defined, invoke it on every operand of STMT. */
if (callback_op)
{
tree_ret = walk_gimple_op (stmt, callback_op, wi);
if (tree_ret)
return tree_ret;
}
/* If STMT can have statements inside (e.g. GIMPLE_BIND), walk them. */
switch (gimple_code (stmt))
{
case GIMPLE_BIND:
ret = walk_gimple_seq_mod (gimple_bind_body_ptr (as_a <gbind *> (stmt)),
callback_stmt, callback_op, wi);
if (ret)
return wi->callback_result;
break;
case GIMPLE_CATCH:
ret = walk_gimple_seq_mod (gimple_catch_handler_ptr (
as_a <gcatch *> (stmt)),
callback_stmt, callback_op, wi);
if (ret)
return wi->callback_result;
break;
case GIMPLE_EH_FILTER:
ret = walk_gimple_seq_mod (gimple_eh_filter_failure_ptr (stmt), callback_stmt,
callback_op, wi);
if (ret)
return wi->callback_result;
break;
case GIMPLE_EH_ELSE:
{
geh_else *eh_else_stmt = as_a <geh_else *> (stmt);
ret = walk_gimple_seq_mod (gimple_eh_else_n_body_ptr (eh_else_stmt),
callback_stmt, callback_op, wi);
if (ret)
return wi->callback_result;
ret = walk_gimple_seq_mod (gimple_eh_else_e_body_ptr (eh_else_stmt),
callback_stmt, callback_op, wi);
if (ret)
return wi->callback_result;
}
break;
case GIMPLE_TRY:
ret = walk_gimple_seq_mod (gimple_try_eval_ptr (stmt), callback_stmt, callback_op,
wi);
if (ret)
return wi->callback_result;
ret = walk_gimple_seq_mod (gimple_try_cleanup_ptr (stmt), callback_stmt,
callback_op, wi);
if (ret)
return wi->callback_result;
break;
case GIMPLE_OMP_FOR:
ret = walk_gimple_seq_mod (gimple_omp_for_pre_body_ptr (stmt), callback_stmt,
callback_op, wi);
if (ret)
return wi->callback_result;
/* FALL THROUGH. */
case GIMPLE_OMP_CRITICAL:
case GIMPLE_OMP_MASTER:
case GIMPLE_OMP_TASKGROUP:
case GIMPLE_OMP_ORDERED:
case GIMPLE_OMP_SECTION:
case GIMPLE_OMP_PARALLEL:
case GIMPLE_OMP_TASK:
case GIMPLE_OMP_SECTIONS:
case GIMPLE_OMP_SINGLE:
case GIMPLE_OMP_TARGET:
case GIMPLE_OMP_TEAMS:
ret = walk_gimple_seq_mod (gimple_omp_body_ptr (stmt), callback_stmt,
callback_op, wi);
if (ret)
return wi->callback_result;
break;
case GIMPLE_WITH_CLEANUP_EXPR:
ret = walk_gimple_seq_mod (gimple_wce_cleanup_ptr (stmt), callback_stmt,
callback_op, wi);
if (ret)
return wi->callback_result;
break;
case GIMPLE_TRANSACTION:
ret = walk_gimple_seq_mod (gimple_transaction_body_ptr (
as_a <gtransaction *> (stmt)),
callback_stmt, callback_op, wi);
if (ret)
return wi->callback_result;
break;
default:
gcc_assert (!gimple_has_substatements (stmt));
break;
}
return NULL;
}