Use ir_print_visitor to dump IR tree
diff --git a/glsl_parser_extras.cpp b/glsl_parser_extras.cpp
index a166fbc..caa221f 100644
--- a/glsl_parser_extras.cpp
+++ b/glsl_parser_extras.cpp
@@ -35,6 +35,7 @@
 #include "glsl_parser_extras.h"
 #include "glsl_parser.h"
 #include "symbol_table.h"
+#include "ir_print_visitor.h"
 
 void
 _mesa_glsl_error(YYLTYPE *locp, void *state, const char *fmt, ...)
@@ -702,6 +703,13 @@
       ((ast_node *)ptr)->hir(&instructions, &state);
    }
 
+   printf("\n\n");
+   foreach_iter(exec_list_iterator, iter, instructions) {
+      ir_print_visitor v;
+
+      ((ir_instruction *)iter.get())->accept(& v);
+   }
+
    _mesa_symbol_table_dtor(state.symbols);
 
    return 0;