fold all nodes in the constant code irg regardless of opt settings

diff --git a/driver/firm_opt.c b/driver/firm_opt.c
index f535c1c..5145f13 100644 (file)
--- a/driver/firm_opt.c
+++ b/driver/firm_opt.c
@@ -700,7 +700,12 @@ static void do_firm_lowering(const char *input_filename)
                do_irg_opt(irg, "parallelize-mem");
                do_irg_opt(irg, "frame");
        }
+       /* hack so we get global initializers constant folded even at -O0 */
+       set_opt_constant_folding(1);
+       set_opt_algebraic_simplification(1);
        do_irp_opt("local-const");
+       set_opt_constant_folding(firm_opt.const_folding);
+       set_opt_algebraic_simplification(firm_opt.const_folding);
        do_irp_opt("remove-unused");
        do_irp_opt("opt-cc");
        dump_all("low-opt");