glsl: Walk a list of ir_dereference_array to mark array elements as accessed

Signed-off-by: Ian Romanick <[email protected]>
Cc: [email protected]
Reviewed-by: Kenneth Graunke <[email protected]>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/compiler/glsl/ir_array_refcount.h b/src/compiler/glsl/ir_array_refcount.h
index 2988046aaed..46ba36cbaa0 100644
--- a/src/compiler/glsl/ir_array_refcount.h
+++ b/src/compiler/glsl/ir_array_refcount.h
@@ -140,6 +140,7 @@ public:
    virtual ir_visitor_status visit(ir_dereference_variable *);
 
    virtual ir_visitor_status visit_enter(ir_function_signature *);
+   virtual ir_visitor_status visit_enter(ir_dereference_array *);
 
    /**
     * Find variable in the hash table, and insert it if not present
@@ -158,6 +159,15 @@ private:
    array_deref_range *get_array_deref();
 
    /**
+    * Last ir_dereference_array that was visited
+    *
+    * Used to prevent some redundant calculations.
+    *
+    * \sa ::visit_enter(ir_dereference_array *)
+    */
+   ir_dereference_array *last_array_deref;
+
+   /**
     * \name array_deref_range tracking
     */
    /*@{*/