diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-04-23 15:46:23 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-04-23 15:46:23 +0000 |
| commit | 8081b5e747a61d4cf3dd97bbbf7368498a3f99be (patch) | |
| tree | dc172ad7cc4c1bbb96829042298fa2052a56568d /gcc/tree-tailcall.c | |
| parent | 2870d987f2907d79ec4ceebdb8791d52ff609260 (diff) | |
| download | gcc-8081b5e747a61d4cf3dd97bbbf7368498a3f99be.tar.gz | |
2010-04-23 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43572
* tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158671 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-tailcall.c')
| -rw-r--r-- | gcc/tree-tailcall.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-tailcall.c b/gcc/tree-tailcall.c index 4d2422aa623..a9f01919b4d 100644 --- a/gcc/tree-tailcall.c +++ b/gcc/tree-tailcall.c @@ -458,7 +458,8 @@ find_tail_calls (basic_block bb, struct tailcall **ret) to local variables. */ FOR_EACH_REFERENCED_VAR (var, rvi) { - if (!is_global_var (var) + if (TREE_CODE (var) != PARM_DECL + && auto_var_in_fn_p (var, cfun->decl) && ref_maybe_used_by_stmt_p (call, var)) return; } |