glsl: Remove unused function prototypes.

No functional change.  Remove prototypes for do_mod_to_fract() and
do_sub_to_add_neg(), which haven't existed since November 2010.

diff --git a/src/glsl/ir_optimization.h b/src/glsl/ir_optimization.h
index dd265673c55ba24db0209e5afe5a5c8a58a7b98a..59a040751d96a20998fae5aad3980bf9b0763e88 100644 (file)
--- a/src/glsl/ir_optimization.h
+++ b/src/glsl/ir_optimization.h
@@ -56,10 +56,8 @@ bool do_if_simplification(exec_list *instructions);
 bool do_discard_simplification(exec_list *instructions);
 bool lower_if_to_cond_assign(exec_list *instructions, unsigned max_depth = 0);
 bool do_mat_op_to_vec(exec_list *instructions);
-bool do_mod_to_fract(exec_list *instructions);
 bool do_noop_swizzle(exec_list *instructions);
 bool do_structure_splitting(exec_list *instructions);
-bool do_sub_to_add_neg(exec_list *instructions);
 bool do_swizzle_swizzle(exec_list *instructions);
 bool do_tree_grafting(exec_list *instructions);
 bool do_vec_index_to_cond_assign(exec_list *instructions);