glsl: Add the possibility for ir_variable to have a non-ralloced name

Specifically, ir_var_temporary variables constructed with a NULL name
will all have the name "compiler_temp" in static storage.

No change Valgrind massif results for a trimmed apitrace of dota2.

Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index f2186a5af8a..3c947412f40 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -575,6 +575,11 @@ public:
       return this->u.state_slots;
    }
 
+   inline bool is_name_ralloced() const
+   {
+      return this->name != ir_variable::tmp_name;
+   }
+
    /**
     * Enable emitting extension warnings for this variable
     */
@@ -886,6 +891,11 @@ private:
     * \sa ir_variable::location
     */
    const glsl_type *interface_type;
+
+   /**
+    * Name used for anonymous compiler temporaries
+    */
+   static const char tmp_name[];
 };
 
 /**