[Mesa-dev] [PATCH 06/18] nir: Change lower_vars_to_ssa to use pointer map

[Thomas Helland]

---
 src/compiler/nir/nir_lower_vars_to_ssa.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/compiler/nir/nir_lower_vars_to_ssa.c 
b/src/compiler/nir/nir_lower_vars_to_ssa.c
index e8cfe308d2..3dfe48d6d3 100644
--- a/src/compiler/nir/nir_lower_vars_to_ssa.c
+++ b/src/compiler/nir/nir_lower_vars_to_ssa.c
@@ -29,6 +29,7 @@
 #include "nir_builder.h"
 #include "nir_phi_builder.h"
 #include "nir_vla.h"
+#include "util/pointer_map.h"
 
 
 struct deref_node {
@@ -61,7 +62,7 @@ struct lower_variables_state {
    nir_function_impl *impl;
 
    /* A hash table mapping variables to deref_node data */
-   struct hash_table *deref_var_nodes;
+   struct pointer_map *deref_var_nodes;
 
    /* A hash table mapping fully-qualified direct dereferences, i.e.
     * dereferences with no indirect or wildcard array dereferences, to
@@ -114,14 +115,14 @@ get_deref_node_for_var(nir_variable *var, struct 
lower_variables_state *state)
 {
    struct deref_node *node;
 
-   struct hash_entry *var_entry =
-      _mesa_hash_table_search(state->deref_var_nodes, var);
+   struct map_entry *var_entry =
+      _mesa_pointer_map_search(state->deref_var_nodes, var);
 
    if (var_entry) {
       return var_entry->data;
    } else {
       node = deref_node_create(NULL, var->type, state->dead_ctx);
-      _mesa_hash_table_insert(state->deref_var_nodes, var, node);
+      _mesa_pointer_map_insert(state->deref_var_nodes, var, node);
       return node;
    }
 }
@@ -646,9 +647,7 @@ nir_lower_vars_to_ssa_impl(nir_function_impl *impl)
    state.dead_ctx = ralloc_context(state.shader);
    state.impl = impl;
 
-   state.deref_var_nodes = _mesa_hash_table_create(state.dead_ctx,
-                                                   _mesa_hash_pointer,
-                                                   _mesa_key_pointer_equal);
+   state.deref_var_nodes = _mesa_pointer_map_create(state.dead_ctx);
    exec_list_make_empty(&state.direct_deref_nodes);
 
    /* Build the initial deref structures and direct_deref_nodes table */
-- 
2.16.2

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