diff options
Diffstat (limited to 'gcc/passes.c')
| -rw-r--r-- | gcc/passes.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/gcc/passes.c b/gcc/passes.c index 6ef6d2e50ff..0d147fd159d 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -1919,14 +1919,6 @@ execute_function_todo (function *fn, void *data) { cleanup_tree_cfg (); - /* Once unreachable nodes have been removed from the CFG, - there can't be any lingering references to released - SSA_NAMES (because there is no more unreachable code). - - Thus, now is the time to flush the SSA_NAMEs freelist. */ - if (fn->gimple_df) - flush_ssaname_freelist (); - /* When cleanup_tree_cfg merges consecutive blocks, it may perform some simplistic propagation when removing single valued PHI nodes. This propagation may, in turn, cause the @@ -2032,6 +2024,11 @@ execute_todo (unsigned int flags) if (flags) do_per_function (execute_function_todo, (void *)(size_t) flags); + /* At this point we should not have any unreachable code in the + CFG, so it is safe to flush the pending freelist for SSA_NAMES. */ + if (cfun && cfun->gimple_df) + flush_ssaname_freelist (); + /* Always remove functions just as before inlining: IPA passes might be interested to see bodies of extern inline functions that are not inlined to analyze side effects. The full removal is done just at the end |