Move optimization pass prototypes to a single header.

glsl_parser_extras.cpp

@@ -34,11 +34,6 @@
 #include "ast.h"
 #include "glsl_parser_extras.h"
 #include "glsl_parser.h"
-#include "ir_constant_folding.h"
-#include "ir_copy_propagation.h"
-#include "ir_dead_code.h"
-#include "ir_function_inlining.h"
-#include "ir_if_simplification.h"
 #include "ir_optimization.h"
 #include "ir_print_visitor.h"
 #include "ir_reader.h"
@@ -791,10 +786,7 @@ main(int argc, char **argv)
 	 progress = do_copy_propagation(&instructions) || progress;
 	 progress = do_dead_code_local(&instructions) || progress;
 	 progress = do_dead_code_unlinked(&instructions) || progress;
-
-	 /* Constant folding */
-	 ir_constant_folding_visitor constant_folding;
-	 visit_exec_list(&instructions, &constant_folding);
+	 progress = do_constant_folding(&instructions) || progress;
       } while (progress);
    }