+
+ nir_foreach_block(block, impl) {
+ gcm_pin_instructions_block(block, &state);
+ }
+
+ bool progress = false;
+ if (value_number) {
+ struct set *gvn_set = nir_instr_set_create(NULL);
+ foreach_list_typed_safe(nir_instr, instr, node, &state.instrs) {
+ if (nir_instr_set_add_or_rewrite(gvn_set, instr)) {
+ nir_instr_remove(instr);
+ progress = true;
+ }
+ }
+ nir_instr_set_destroy(gvn_set);
+ }