bugfixes

[libfirm] / ir / be / beutil.h

diff --git a/ir/be/beutil.h b/ir/be/beutil.h
index 7420f44..386d86a 100644 (file)
--- a/ir/be/beutil.h
+++ b/ir/be/beutil.h
@@ -12,6 +12,23 @@
 /** Undefine this to disable debugging mode. */
 #define BE_DEBUG 1
 
+/**
+ * Convenient block getter.
+ * Works also, if the given node is a block.
+ * @param  irn The node.
+ * @return The block of the node, or the node itself, if the node is a
+ *         block.
+ */
+static INLINE const ir_node *get_block(const ir_node *irn)
+{
+       return is_Block(irn) ? irn : get_nodes_block(irn);
+}
+
+static INLINE int is_firm_be_mode(const ir_mode *mode)
+{
+       return mode_is_data(mode);
+}
+
 /**
  * Check, if a node produces or consumes a data value.
  * If it does, it is significant for scheduling and register allocation.
@@ -24,14 +41,18 @@ static INLINE int is_data_node(const ir_node *irn)
 {
        int i, n;
 
+       /* Unknowns do not exist, so they produce nothing */
+       if(get_irn_opcode(irn) == iro_Unknown)
+               return 0;
+
        /* If the node produces a data value, return immediately. */
-       if(mode_is_datab(get_irn_mode(irn)))
+       if(is_firm_be_mode(get_irn_mode(irn)))
                return 1;
 
        /* else check, if it takes a data value, if that is so, return */
        for(i = 0, n = get_irn_arity(irn); i < n; ++i) {
                ir_node *op = get_irn_n(irn, i);
-               if(mode_is_datab(get_irn_mode(op)))
+               if(is_firm_be_mode(get_irn_mode(op)))
                        return 1;
        }
 
@@ -55,7 +76,7 @@ void localize_consts(ir_graph *irg);
  */
 void dump_allocated_irg(arch_env_t *env, ir_graph *irg, char *suffix);
 
-
+void be_clear_links(ir_graph *irg);
 
 static INLINE FILE *ffopen(const char *base, const char *ext, const char *mode) {
        FILE *out;
@@ -69,4 +90,11 @@ static INLINE FILE *ffopen(const char *base, const char *ext, const char *mode)
        return out;
 }
 
+/**
+ * Dump a graph with schedule edges.
+ * @param irg The graph.
+ * @param suffix A suffix to its file name.
+ */
+void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix);
+
 #endif