From: Paul Berry <stereotype441@gmail.com>
Date: Mon, 22 Apr 2013 20:59:17 +0000 (-0700)
Subject: glsl: Add virtual function ir_instruction::as_jump()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=70ca263623bdeba6a8ff3b306d4206927cf8c33f;p=mesa.git

glsl: Add virtual function ir_instruction::as_jump()

Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 3018e0fbb16..878a94611a7 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -131,6 +131,7 @@ public:
    virtual class ir_swizzle *           as_swizzle()          { return NULL; }
    virtual class ir_constant *          as_constant()         { return NULL; }
    virtual class ir_discard *           as_discard()          { return NULL; }
+   virtual class ir_jump *              as_jump()             { return NULL; }
    /*@}*/
 
 protected:
@@ -1298,6 +1299,12 @@ protected:
    {
       ir_type = ir_type_unset;
    }
+
+public:
+   virtual ir_jump *as_jump()
+   {
+      return this;
+   }
 };
 
 class ir_return : public ir_jump {