- implemented apply phase
[libfirm] / ir / opt / opt_osr.c
index 68591a9..54e6921 100644 (file)
@@ -28,9 +28,7 @@
  *  by Keith D. Cooper, L. Taylor Simpson, Christopher A. Vick.
  *  Extended version.
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include "adt/pdeq.h"
 #include "iroptimize.h"
@@ -52,7 +50,7 @@
 #include "irloop_t.h"
 #include "array.h"
 #include "firmstat.h"
-#include "xmalloc.h"
+#include "error.h"
 
 /** The debug handle. */
 DEBUG_ONLY(static firm_dbg_module_t *dbg;)
@@ -305,7 +303,7 @@ static ir_node *do_apply(ir_opcode code, dbg_info *db, ir_node *op1, ir_node *op
                result = new_rd_Sub(db, irg, block, op1, op2, mode);
                break;
        default:
-               assert(0);
+               panic("Unsupported opcode");
                result = NULL;
        }
        return result;
@@ -469,6 +467,7 @@ static int replace(ir_node *irn, ir_node *iv, ir_node *rc, iv_env *env) {
        return 0;
 }
 
+#if 0
 /**
  * check if a given node is a mul with 2, 4, 8
  */
@@ -494,6 +493,7 @@ static int is_x86_shift_const(ir_node *mul) {
        }
        return 0;
 }
+#endif
 
 /**
  * Check if an IV represents a counter with constant limits.
@@ -937,7 +937,7 @@ static void dfs(ir_node *irn, iv_env *env)
                for (i = 0; i < n; ++i) {
                        ir_node *pred = get_irn_n(irn, i);
 
-                       if (irn_not_visited(pred))
+                       if (!irn_visited(pred))
                                dfs(pred, env);
                }
        }
@@ -949,7 +949,7 @@ static void dfs(ir_node *irn, iv_env *env)
                push(env, irn);
 
                /* handle the block */
-               if (irn_not_visited(block))
+               if (!irn_visited(block))
                        dfs(block, env);
 
                n = get_irn_arity(irn);
@@ -957,7 +957,7 @@ static void dfs(ir_node *irn, iv_env *env)
                        ir_node *pred = get_irn_n(irn, i);
                        node_entry *o = get_irn_ne(pred, env);
 
-                       if (irn_not_visited(pred)) {
+                       if (!irn_visited(pred)) {
                                dfs(pred, env);
                                node->low = MIN(node->low, o->low);
                        }
@@ -995,7 +995,7 @@ static void do_dfs(ir_graph *irg, iv_env *env) {
        ir_node *end = get_irg_end(irg);
        int i, n;
 
-       set_using_irn_visited(irg);
+       ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
 
        current_ir_graph = irg;
        inc_irg_visited(irg);
@@ -1008,11 +1008,11 @@ static void do_dfs(ir_graph *irg, iv_env *env) {
        for (i = 0; i < n; ++i) {
                ir_node *ka = get_End_keepalive(end, i);
 
-               if (irn_not_visited(ka))
+               if (!irn_visited(ka))
                        dfs(ka, env);
        }
 
-       clear_using_irn_visited(irg);
+       ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
 
        current_ir_graph = rem;
 }
@@ -1110,12 +1110,12 @@ static ir_node *applyOneEdge(ir_node *iv, ir_node *rc, LFTR_edge *e, iv_env *env
                        DB((dbg, LEVEL_4, " + %+F", tv_r));
                        break;
                case iro_Sub:
-                       tv      = tarval_sub(tv_l, tv_r);
-                       tv_init = tarval_sub(tv_init, tv_r);
+                       tv      = tarval_sub(tv_l, tv_r, NULL);
+                       tv_init = tarval_sub(tv_init, tv_r, NULL);
                        DB((dbg, LEVEL_4, " - %+F", tv_r));
                        break;
                default:
-                       assert(0);
+                       panic("Unsupported opcode");
                        tv = tarval_bad;
                }
 
@@ -1123,7 +1123,7 @@ static ir_node *applyOneEdge(ir_node *iv, ir_node *rc, LFTR_edge *e, iv_env *env
                        tv = tarval_add(tv, tv_incr);
                } else {
                        assert(pscc->code == iro_Sub);
-                       tv = tarval_sub(tv, tv_incr);
+                       tv = tarval_sub(tv, tv_incr, NULL);
                }
 
                tarval_set_integer_overflow_mode(ovmode);
@@ -1187,7 +1187,7 @@ static void do_lftr(ir_node *cmp, void *ctx) {
        ir_node *iv, *rc;
        ir_node *nleft = NULL, *nright = NULL;
 
-       if (get_irn_op(cmp) != op_Cmp)
+       if (!is_Cmp(cmp))
                return;
 
        left  = get_Cmp_left(cmp);
@@ -1296,6 +1296,7 @@ void opt_osr(ir_graph *irg, unsigned flags) {
        if (env.replaced) {
                /* try linear function test replacements */
                //lftr(irg, &env); // currently buggy :-(
+               (void) lftr;
 
                set_irg_outs_inconsistent(irg);
                DB((dbg, LEVEL_1, "Replacements: %u + %u (lftr)\n\n", env.replaced, env.lftr_replaced));