fix bugs in execfreq rework commit

ir/ana/execfreq.c

@@ -90,7 +90,9 @@ static void exec_freq_node_info(void *ctx, FILE *f, const ir_node *irn)
 	(void)ctx;
 	if (!is_Block(irn))
 		return;
-	fprintf(f, "execution frequency: %g\n", get_block_execfreq(irn));
+	const freq_t *freq = ir_nodehashmap_get(freq_t, &freq_map, irn);
+	if (freq != NULL)
+		fprintf(f, "execution frequency: %g\n", get_block_execfreq(irn));
 }
 
 void init_execfreq(void)
@@ -272,7 +274,7 @@ void ir_estimate_execfreq(ir_graph *irg)
 
 	ir_node *end_block = get_irg_end_block(irg);
 
-	for (int idx = dfs_get_n_nodes(dfs) - 1; idx >= 0; --idx) {
+	for (int idx = size - 1; idx >= 0; --idx) {
 		const ir_node *bb = (ir_node*)dfs_get_post_num_node(dfs, size-idx-1);
 
 		/* Sum of (execution frequency of predecessor * probability of cf edge) ... */
@@ -330,7 +332,7 @@ void ir_estimate_execfreq(ir_graph *irg)
 	double start_freq = x[start_idx];
 	double norm       = start_freq != 0.0 ? 1.0 / start_freq : 1.0;
 
-	for (int idx = dfs_get_n_nodes(dfs) - 1; idx >= 0; --idx) {
+	for (int idx = size - 1; idx >= 0; --idx) {
 		ir_node *bb = (ir_node *) dfs_get_post_num_node(dfs, size - idx - 1);
 
 		/* take abs because it sometimes can be -0 in case of endless loops */

ir/be/betranshlp.c

@@ -37,6 +37,7 @@
 #include "trouts.h"
 #include "cgana.h"
 #include "debug.h"
+#include "execfreq_t.h"
 
 #include "beirg.h"
 #include "beabi.h"
@@ -114,6 +115,10 @@ static ir_node *transform_block(ir_node *node)
 	copy_node_attr(irg, node, block);
 	block->node_nr = node->node_nr;
 
+	/* transfer execfreq value */
+	double execfreq = get_block_execfreq(node);
+	set_block_execfreq(block, execfreq);
+
 	/* put the preds in the worklist */
 	be_enqueue_preds(node);