X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=driver%2Ffirm_opt.c;h=defb7aa8d18ffddcd867200670d980c19ec1d328;hb=2fb66fd8bd2a5956ab2cad26978ccfb7e105d45f;hp=ada3dda15550c1ae6c46eb09fe52a63138759529;hpb=d80c4f36144467e678d933574ff7bf48cf1e2b71;p=cparser

diff --git a/driver/firm_opt.c b/driver/firm_opt.c
index ada3dda..defb7aa 100644
--- a/driver/firm_opt.c
+++ b/driver/firm_opt.c
@@ -756,12 +756,9 @@ void generate_code(FILE *out, const char *input_filename)
 {
 	int i;
 
-	set_optimize(1);
-	set_opt_constant_folding(firm_opt.const_folding);
-	set_opt_algebraic_simplification(firm_opt.const_folding);
-	set_opt_cse(firm_opt.cse);
-	set_opt_global_cse(0);
-
+	/* initialize implicit opts, just to be sure because really the frontend
+	 * should have called it already before starting graph construction */
+	init_implicit_optimizations();
 	init_statistics();
 
 	do_node_verification((firm_verification_t) firm_opt.verify);
@@ -833,6 +830,7 @@ static void disable_all_opts(void)
 	firm_opt.alias_analysis  = false;
 	firm_opt.strict_alias    = false;
 	firm_opt.no_alias        = false;
+	firm_opt.const_folding   = false;
 
 	FOR_EACH_OPT(config) {
 		if (config->flags & OPT_FLAG_ESSENTIAL) {
@@ -965,3 +963,12 @@ void choose_optimization_pack(int level)
 		break;
 	}
 }
+
+void init_implicit_optimizations(void)
+{
+	set_optimize(1);
+	set_opt_constant_folding(firm_opt.const_folding);
+	set_opt_algebraic_simplification(firm_opt.const_folding);
+	set_opt_cse(firm_opt.cse);
+	set_opt_global_cse(0);
+}