Add todo comment for move_sese_region_to_fn

2015-08-11  Tom de Vries  <tom@codesourcery.com>

	* tree-cfg.c (move_sese_region_to_fn): Add todo comment.

From-SVN: r226776

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8025902ccdd609f8e5204f79ee71975c2ea613f2..65dd0fcf6b2461daef6ce21ab9591205d24a548d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-08-11  Tom de Vries  <tom@codesourcery.com>
+
+       * tree-cfg.c (move_sese_region_to_fn): Add todo comment.
+
 2015-08-10  H.J. Lu  <hongjiu.lu@intel.com>
 
        * config/i386/i386.c (processor_alias_table): Replace CPU_KNL

diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index e26454a617d878bae2955bf2fee3d503afe9e042..588ab69b24e9b86dbd31315c5d08ed9d937b0355 100644 (file)
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -7011,7 +7011,11 @@ verify_sese (basic_block entry, basic_block exit, vec<basic_block> *bbs_p)
 
    All local variables referenced in the region are assumed to be in
    the corresponding BLOCK_VARS and unexpanded variable lists
-   associated with DEST_CFUN.  */
+   associated with DEST_CFUN.
+
+   TODO: investigate whether we can reuse gimple_duplicate_sese_region to
+   reimplement move_sese_region_to_fn by duplicating the region rather than
+   moving it.  */
 
 basic_block
 move_sese_region_to_fn (struct function *dest_cfun, basic_block entry_bb,