Generate correct IR for do-while loops

Previously the same code was generated for a while loop and a do-while
loop.  This pulls the code that generates the conditional break into a
separate method.  This method is called either at the beginning or the
end depending on the loop type.

Reported-by: Kenneth Graunke <[email protected]>

1 files changed, 9 insertions, 0 deletions

diff --git a/ast.h b/ast.h
index ba500dc773a..d899fb1d090 100644
--- a/ast.h
+++ b/ast.h
@@ -572,6 +572,15 @@ public:
    ast_expression *rest_expression;
 
    ast_node *body;
+
+private:
+   /**
+    * Generate IR from the condition of a loop
+    *
+    * This is factored out of ::hir because some loops have the condition
+    * test at the top (for and while), and others have it at the end (do-while).
+    */
+   void condition_to_hir(class ir_loop *, struct _mesa_glsl_parse_state *);
 };