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diff --git a/src/glsl/ir_optimization.h b/src/glsl/ir_optimization.h
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+++ b/src/glsl/ir_optimization.h
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+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file ir_optimization.h
+ *
+ * Prototypes for optimization passes to be called by the compiler and drivers.
+ */
+
+bool do_common_optimization(exec_list *ir, bool linked);
+
+bool do_algebraic(exec_list *instructions);
+bool do_constant_folding(exec_list *instructions);
+bool do_constant_variable(exec_list *instructions);
+bool do_constant_variable_unlinked(exec_list *instructions);
+bool do_copy_propagation(exec_list *instructions);
+bool do_constant_propagation(exec_list *instructions);
+bool do_dead_code(exec_list *instructions);
+bool do_dead_code_local(exec_list *instructions);
+bool do_dead_code_unlinked(exec_list *instructions);
+bool do_dead_functions(exec_list *instructions);
+bool do_div_to_mul_rcp(exec_list *instructions);
+bool do_explog_to_explog2(exec_list *instructions);
+bool do_function_inlining(exec_list *instructions);
+bool do_if_return(exec_list *instructions);
+bool do_if_simplification(exec_list *instructions);
+bool do_if_to_cond_assign(exec_list *instructions);
+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);
+bool do_vec_index_to_swizzle(exec_list *instructions);