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nir/find_array_copies: Don't assume all children exist

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Fixes: 9f3c595dfc "nir/find_array_copies: Handle cast derefs"
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7437>
This commit is contained in:
Jason Ekstrand 2020-11-03 22:46:14 -06:00 • committed by Marge Bot
parent e1736c7fdb
commit 58e7088628
1 changed files with 4 additions and 2 deletions
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6
src/compiler/nir/nir_opt_find_array_copies.c
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@ -196,8 +196,10 @@ _foreach_child(match_cb cb, struct match_node *node, struct match_state *state)
if (node->num_children == 0) {
cb(node, state);
} else {
for (unsigned i = 0; i < node->num_children; i++)
_foreach_child(cb, node->children[i], state);
for (unsigned i = 0; i < node->num_children; i++) {
if (node->children[i])
_foreach_child(cb, node->children[i], state);
}
}
}