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-rw-r--r--src/glsl/ir.h52
1 files changed, 5 insertions, 47 deletions
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index e60ffc0834f..a34a9c3193b 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -86,6 +86,7 @@ enum ir_node_type {
ir_type_max /**< maximum ir_type enum number, for validation */
};
+
/**
* Base class of all IR instructions
*/
@@ -1025,54 +1026,11 @@ public:
exec_list body_instructions;
/**
- * \name Loop counter and controls
- *
- * Represents a loop like a FORTRAN \c do-loop.
- *
- * \note
- * If \c from and \c to are the same value, the loop will execute once.
- */
- /*@{*/
-
- /**
- * Value which should be assigned to \c counter before the first iteration
- * of the loop. Must be non-null whenever \c counter is non-null, and vice
- * versa.
- */
- ir_rvalue *from;
-
- /**
- * Value which \c counter should be compared to in order to determine
- * whether to exit the loop. Must be non-null whenever \c counter is
- * non-null, and vice versa.
+ * Normative bound for the loop. If this value is >= 0, the back-end
+ * should generate instructions to ensure that the loop executes no more
+ * than this many times.
*/
- ir_rvalue *to;
-
- /**
- * Value which should be added to \c counter at the end of each loop
- * iteration. Must be non-null whenever \c counter is non-null, and vice
- * versa.
- */
- ir_rvalue *increment;
-
- /**
- * Variable which counts loop iterations. This is a brand new ir_variable
- * declaration (not a reference to a previously declared ir_variable, as in
- * ir_dereference_variable).
- */
- ir_variable *counter;
-
- /**
- * Comparison operation in the loop terminator.
- *
- * If any of the loop control fields are non-\c NULL, this field must be
- * one of \c ir_binop_less, \c ir_binop_greater, \c ir_binop_lequal,
- * \c ir_binop_gequal, \c ir_binop_equal, or \c ir_binop_nequal.
- *
- * Ignored if \c counter is NULL.
- */
- int cmp;
- /*@}*/
+ int normative_bound;
};