The following removes a block I added (and disabled again) when
developing the PR121720 fix.
Bootstrapped on x86_64-unknown-linux-gnu, pushed.
* tree-ssa-pre.cc (compute_antic_aux): Remove dead code.
---
gcc/tree-ssa-pre.cc | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/gcc/tree-ssa-pre.cc b/gcc/tree-ssa-pre.cc
index 18b36259cb4..64ffaca21ab 100644
--- a/gcc/tree-ssa-pre.cc
+++ b/gcc/tree-ssa-pre.cc
@@ -2121,20 +2121,6 @@ compute_antic_aux (basic_block block, bool
block_has_abnormal_pred_edge)
first = e;
else if (BB_VISITED (e->dest))
worklist.quick_push (e);
- else if (0 && !(e->flags & EDGE_DFS_BACK))
- {
- /* When our reverse iteration order does not match up with
- a forward DFS which can in happen with unfortunate
- choices of fake edges to exits from infinite loops, we
- have to avoid intermangling two ANTIC iterations by
- using ANTIC_IN computed in the previous iteration.
- As we cannot easily do this stabilize the iteration by
- not allowing a MAX set on such edge initially. */
- if (dump_file && (dump_flags & TDF_DETAILS))
- fprintf (dump_file, "ANTIC_IN is uncomputed on non-DFS_BACK "
- "%d->%d\n", e->src->index, e->dest->index);
- worklist.quick_push (e);
- }
else
{
/* Unvisited successors get their ANTIC_IN replaced by the
--
2.51.0
