diff options
| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-02-28 06:34:20 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-02-28 06:34:20 +0000 |
| commit | 2a7035895120384c15e52c66569b210803440e69 (patch) | |
| tree | 26474a452da2468c2d5b072574636f450c0fef5a /gcc/cfghooks.c | |
| parent | f6d80e6bb7413c3d891877da4d0e8229a7d24a53 (diff) | |
| download | gcc-2a7035895120384c15e52c66569b210803440e69.tar.gz | |
Revert
2016-02-26 Richard Biener <rguenther@suse.de>
Jeff Law <law@redhat.com>
PR tree-optimization/69740
* cfghooks.c (remove_edge): Request loop fixups if we delete
an edge that might turn an irreducible loop into a natural
loop.
Revert
2016-02-26 Richard Biener <rguenther@suse.de>
Jeff Law <law@redhat.com>
PR tree-optimization/69740
* gcc.c-torture/compile/pr69740-1.c: New test.
* gcc.c-torture/compile/pr69740-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233787 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfghooks.c')
| -rw-r--r-- | gcc/cfghooks.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c index 06c05d1fb39..bbb1017fd1f 100644 --- a/gcc/cfghooks.c +++ b/gcc/cfghooks.c @@ -408,20 +408,7 @@ void remove_edge (edge e) { if (current_loops != NULL) - { - rescan_loop_exit (e, false, true); - - /* Removal of an edge inside an irreducible region or which leads - to an irreducible region can turn the region into a natural loop. - In that case, ask for the loop structure fixups. - - FIXME: Note that LOOPS_HAVE_MARKED_IRREDUCIBLE_REGIONS is not always - set, so always ask for fixups when removing an edge in that case. */ - if (!loops_state_satisfies_p (LOOPS_HAVE_MARKED_IRREDUCIBLE_REGIONS) - || (e->flags & EDGE_IRREDUCIBLE_LOOP) - || (e->dest->flags & BB_IRREDUCIBLE_LOOP)) - loops_state_set (LOOPS_NEED_FIXUP); - } + rescan_loop_exit (e, false, true); /* This is probably not needed, but it doesn't hurt. */ /* FIXME: This should be called via a remove_edge hook. */ |