Mesa (master): glsl: use set rather than old hash table for ir_validate

[Timothy Arceri]

Module: Mesa
Branch: master
Commit: 0fae4e451bc60de1138729d20e03100e93cc6f38
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=0fae4e451bc60de1138729d20e03100e93cc6f38

Author: Timothy Arceri <t_arc...@yahoo.com.au>
Date:   Wed Jul  8 21:26:02 2015 +1000

glsl: use set rather than old hash table for ir_validate

When the new hash table implementation was added to Mesa it claimed to be much
faster, see commits 35fd61bd99c1 and 72e55bb6888ff.

The set implementation follows the same implementation strategy so this should
be faster and there was no need to store a data field.

Reviewed-by: Iago Toral Quiroga <ito...@igalia.com>

---

 src/glsl/ir_validate.cpp |   24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/glsl/ir_validate.cpp b/src/glsl/ir_validate.cpp
index cfe0df3..684bef2 100644
--- a/src/glsl/ir_validate.cpp
+++ b/src/glsl/ir_validate.cpp
@@ -35,7 +35,8 @@
 
 #include "ir.h"
 #include "ir_hierarchical_visitor.h"
-#include "program/hash_table.h"
+#include "util/hash_table.h"
+#include "util/set.h"
 #include "glsl_types.h"
 
 namespace {
@@ -44,18 +45,18 @@ class ir_validate : public ir_hierarchical_visitor {
 public:
    ir_validate()
    {
-      this->ht = hash_table_ctor(0, hash_table_pointer_hash,
-                                hash_table_pointer_compare);
+      this->ir_set = _mesa_set_create(NULL, _mesa_hash_pointer,
+                                      _mesa_key_pointer_equal);
 
       this->current_function = NULL;
 
       this->callback_enter = ir_validate::validate_ir;
-      this->data_enter = ht;
+      this->data_enter = ir_set;
    }
 
    ~ir_validate()
    {
-      hash_table_dtor(this->ht);
+      _mesa_set_destroy(this->ir_set, NULL);
    }
 
    virtual ir_visitor_status visit(ir_variable *v);
@@ -80,7 +81,7 @@ public:
 
    ir_function *current_function;
 
-   struct hash_table *ht;
+   struct set *ir_set;
 };
 
 } /* anonymous namespace */
@@ -94,7 +95,7 @@ ir_validate::visit(ir_dereference_variable *ir)
       abort();
    }
 
-   if (hash_table_find(ht, ir->var) == NULL) {
+   if (_mesa_set_search(ir_set, ir->var) == NULL) {
       printf("ir_dereference_variable @ %p specifies undeclared variable "
             "`%s' @ %p\n",
             (void *) ir, ir->var->name, (void *) ir->var);
@@ -730,8 +731,7 @@ ir_validate::visit(ir_variable *ir)
    if (ir->name && ir->is_name_ralloced())
       assert(ralloc_parent(ir->name) == ir);
 
-   hash_table_insert(ht, ir, ir);
-
+   _mesa_set_add(ir_set, ir);
 
    /* If a variable is an array, verify that the maximum array index is in
     * bounds.  There was once an error in AST-to-HIR conversion that set this
@@ -885,15 +885,15 @@ dump_ir:
 void
 ir_validate::validate_ir(ir_instruction *ir, void *data)
 {
-   struct hash_table *ht = (struct hash_table *) data;
+   struct set *ir_set = (struct set *) data;
 
-   if (hash_table_find(ht, ir)) {
+   if (_mesa_set_search(ir_set, ir)) {
       printf("Instruction node present twice in ir tree:\n");
       ir->print();
       printf("\n");
       abort();
    }
-   hash_table_insert(ht, ir, ir);
+   _mesa_set_add(ir_set, ir);
 }
 
 void

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