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Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index a8b7038..d940816 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -1843,6 +1843,12 @@ optimize_stmt (basic_block bb, gimple_stmt_iterator si, /* Delete threads that start at BB. */ remove_jump_threads_starting_at (bb); + /* If BB is in a loop, then removing an outgoing edge from BB + may cause BB to move outside the loop, changes in the + loop exit edges, etc. So note that loops need fixing. */ + if (bb_loop_depth (bb) > 0) + loops_state_set (LOOPS_NEED_FIXUP); + /* Now clean up the control statement at the end of BB and remove unexecutable edges. */ remove_ctrl_stmt_and_useless_edges (bb, taken_edge->dest); |