1 files changed, 0 insertions, 113 deletions
diff --git a/src/glsl/nir/nir_lower_global_vars_to_local.c b/src/glsl/nir/nir_lower_global_vars_to_local.c
deleted file mode 100644
index 7b4cd4e..0000000
--- a/src/glsl/nir/nir_lower_global_vars_to_local.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright © 2014 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- * Authors:
- *    Jason Ekstrand (jason@jlekstrand.net)
- *
- */
-
-/*
- * This lowering pass detects when a global variable is only being used by
- * one function and makes it local to that function
- */
-
-#include "nir.h"
-
-struct global_to_local_state {
-   nir_function_impl *impl;
-   /* A hash table keyed on variable pointers that stores the unique
-    * nir_function_impl that uses the given variable.  If a variable is
-    * used in multiple functions, the data for the given key will be NULL.
-    */
-   struct hash_table *var_func_table;
-};
-
-static bool
-mark_global_var_uses_block(nir_block *block, void *void_state)
-{
-   struct global_to_local_state *state = void_state;
-
-   nir_foreach_instr(block, instr) {
-      if (instr->type != nir_instr_type_intrinsic)
-         continue;
-
-      nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
-      unsigned num_vars = nir_intrinsic_infos[intrin->intrinsic].num_variables;
-
-      for (unsigned i = 0; i < num_vars; i++) {
-         nir_variable *var = intrin->variables[i]->var;
-         if (var->data.mode != nir_var_global)
-            continue;
-
-         struct hash_entry *entry =
-            _mesa_hash_table_search(state->var_func_table, var);
-
-         if (entry) {
-            if (entry->data != state->impl)
-               entry->data = NULL;
-         } else {
-            _mesa_hash_table_insert(state->var_func_table, var, state->impl);
-         }
-      }
-   }
-
-   return true;
-}
-
-bool
-nir_lower_global_vars_to_local(nir_shader *shader)
-{
-   struct global_to_local_state state;
-   bool progress = false;
-
-   state.var_func_table = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
-                                                  _mesa_key_pointer_equal);
-
-   nir_foreach_function(shader, function) {
-      if (function->impl) {
-         state.impl = function->impl;
-         nir_foreach_block(function->impl, mark_global_var_uses_block, &state);
-      }
-   }
-
-   struct hash_entry *entry;
-   hash_table_foreach(state.var_func_table, entry) {
-      nir_variable *var = (void *)entry->key;
-      nir_function_impl *impl = entry->data;
-
-      assert(var->data.mode == nir_var_global);
-
-      if (impl != NULL) {
-         exec_node_remove(&var->node);
-         var->data.mode = nir_var_local;
-         exec_list_push_tail(&impl->locals, &var->node);
-         nir_metadata_preserve(impl, nir_metadata_block_index |
-                                     nir_metadata_dominance |
-                                     nir_metadata_live_ssa_defs);
-         progress = true;
-      }
-   }
-
-   _mesa_hash_table_destroy(state.var_func_table, NULL);
-
-   return progress;
-}