* df-problems.c (df_rd_confluence_n, df_lr_confluence_n, df_live_confluence_n,

	df_byte_lr_confluence_n, df_md_confluence_n): Return true if something changed.
	* df.h (df_confluence_function_n): Return bool.
	* df-core.c (df_worklist_propagate_forward, df_worklist_propagate_backward):
	track changes and ages.
	(df_worklist_dataflow_doublequeue): Use bitmap iterator for main walk;
	track ages.
	* dse.c (dse_confluence_n): Return always true.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@161197 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/df.h b/gcc/df.h
index 060b52f6076..b778c0f060c 100644
--- a/gcc/df.h
+++ b/gcc/df.h
@@ -223,7 +223,7 @@ typedef void (*df_dataflow_function) (struct dataflow *, bitmap, int *, int);
 typedef void (*df_confluence_function_0) (basic_block);
 
 /* Confluence operator for blocks with 1 or more out (or in) edges.  */
-typedef void (*df_confluence_function_n) (edge);
+typedef bool (*df_confluence_function_n) (edge);
 
 /* Transfer function for blocks.  */
 typedef bool (*df_transfer_function) (int);