Commit 2b44b27d authored by Kenneth Graunke's avatar Kenneth Graunke
Browse files

nir: Add a new nir_cf_list_is_empty_block() helper.

Helper and name suggested by Eric Anholt.
Reviewed-by: Jason Ekstrand's avatarJason Ekstrand <>
Reviewed-by: Matt Turner's avatarMatt Turner <>
parent 08dc93c6
......@@ -2127,6 +2127,21 @@ nir_loop_last_block(nir_loop *loop)
return nir_cf_node_as_block(exec_node_data(nir_cf_node, tail, node));
* Return true if this list of cf_nodes contains a single empty block.
static inline bool
nir_cf_list_is_empty_block(struct exec_list *cf_list)
if (exec_list_is_singular(cf_list)) {
struct exec_node *head = exec_list_get_head(cf_list);
nir_block *block =
nir_cf_node_as_block(exec_node_data(nir_cf_node, head, node));
return exec_list_is_empty(&block->instr_list);
return false;
typedef struct {
uint8_t num_components;
uint8_t bit_size;
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