ir_expression: Add static operator_string method

I've used this in quite a few debug commits that never reached an
up-stream tree.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index cf3a882f079..efe59d80642 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -731,6 +731,12 @@ public:
    const char *operator_string();
 
    /**
+    * Return a string representing this expression's operator.
+    */
+   static const char *operator_string(ir_expression_operation);
+
+
+   /**
     * Do a reverse-lookup to translate the given string into an operator.
     */
    static ir_expression_operation get_operator(const char *);