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nir: Combine remove_dead_local_vars() and remove_dead_global_vars().

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We can just pass a pointer to the list of variables, and reuse the code.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Kenneth Graunke 2015-03-27 16:17:20 -07:00
parent 33f0f68d59
commit f4e4491080
1 changed files with 4 additions and 14 deletions
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18
src/glsl/nir/nir_remove_dead_variables.c
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@ -98,19 +98,9 @@ add_var_use_shader(nir_shader *shader, struct set *live)
}
static void
remove_dead_local_vars(nir_function_impl *impl, struct set *live)
remove_dead_vars(struct exec_list *var_list, struct set *live)
{
foreach_list_typed_safe(nir_variable, var, node, &impl->locals) {
struct set_entry *entry = _mesa_set_search(live, var);
if (entry == NULL)
exec_node_remove(&var->node);
}
}
static void
remove_dead_global_vars(nir_shader *shader, struct set *live)
{
foreach_list_typed_safe(nir_variable, var, node, &shader->globals) {
foreach_list_typed_safe(nir_variable, var, node, var_list) {
struct set_entry *entry = _mesa_set_search(live, var);
if (entry == NULL)
exec_node_remove(&var->node);
@ -125,11 +115,11 @@ nir_remove_dead_variables(nir_shader *shader)
add_var_use_shader(shader, live);
remove_dead_global_vars(shader, live);
remove_dead_vars(&shader->globals, live);
nir_foreach_overload(shader, overload) {
if (overload->impl)
remove_dead_local_vars(overload->impl, live);
remove_dead_vars(&overload->impl->locals, live);
}
_mesa_set_destroy(live, NULL);