/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer
-**
-** irflag --- optimization flags
+* All rights reserved.
+*
+* Authors: Christian Schaefer
+*
+* irflag --- optimization flags
*/
/* $Id$ */
#endif
#include "irflag.h"
-#include "common.h"
+#include "firm_common.h"
/* 0 - don't do this optimization
/* @@@ 0 solage code placement fehlt */
int opt_constant_folding = 1; /* Evaluate operations */
int opt_unreachable_code = 1; /* Bad node propagation */
-int opt_control_flow = 1; /* control flow optimizations. */
+int opt_control_flow_straightening = 1; /* */
+int opt_control_flow_weak_simplification = 1; /* */
+int opt_control_flow_strong_simplification = 1; /* */
int opt_dead_node_elimination = 1; /* Reclaim memory */
int opt_reassociation = 1; /* Reassociate nodes */
int opt_inline = 1; /* Do inlining transformation */
}
INLINE void set_opt_control_flow(int value) {
- opt_control_flow = value;
+ set_opt_control_flow_straightening(value);
+ set_opt_control_flow_weak_simplification(value);
+ set_opt_control_flow_strong_simplification(value);
}
-INLINE int get_opt_control_flow(void) {
- return opt_control_flow;
+/* Performs Straightening */
+void set_opt_control_flow_straightening(int value) {
+ opt_control_flow_straightening = value;
}
+int get_opt_control_flow_straightening(void) {
+ return opt_control_flow_straightening;
+}
+/* Performs if simplifications in local optimizations. */
+void set_opt_control_flow_weak_simplification(int value) {
+ opt_control_flow_weak_simplification = value;
+}
+int get_opt_control_flow_weak_simplification(void) {
+ return opt_control_flow_weak_simplification;
+}
+/* Performs strong if and loop simplification (in optimize_cf). */
+void set_opt_control_flow_strong_simplification(int value) {
+ opt_control_flow_strong_simplification = value;
+}
+int get_opt_control_flow_strong_simplification(void) {
+ return opt_control_flow_strong_simplification;
+}
+
INLINE void
set_opt_reassociation(int value)