diff options
| author | Richard Biener <rguenther@suse.de> | 2014-12-09 09:13:18 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-12-09 09:13:18 +0000 |
| commit | ac6aeab4d7f1f7f003474e325b1edf8ec52b18c0 (patch) | |
| tree | f9d91fd494e95592fb00a2481e016a155f384a83 /gcc | |
| parent | 6c77972738e8a6abac2b716a1b14c459b4c51240 (diff) | |
| download | gcc-ac6aeab4d7f1f7f003474e325b1edf8ec52b18c0.zip gcc-ac6aeab4d7f1f7f003474e325b1edf8ec52b18c0.tar.gz gcc-ac6aeab4d7f1f7f003474e325b1edf8ec52b18c0.tar.bz2 | |
re PR tree-optimization/64191 (indirect clobbers messes up dead code elimination in loop calling dtor)
2014-12-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/64191
* tree-vect-stmts.c (vect_stmt_relevant_p): Clobbers are
not relevant (nor are their uses).
From-SVN: r218509
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-vect-stmts.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5ca9424..4a5de9e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-12-09 Richard Biener <rguenther@suse.de> + + PR tree-optimization/64191 + * tree-vect-stmts.c (vect_stmt_relevant_p): Clobbers are + not relevant (nor are their uses). + 2014-12-09 Ilya Enkovich <ilya.enkovich@intel.com> * lto/lto-partition.c (privatize_symbol_name): Correctly diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index 6903f0a..52f9d31 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -340,7 +340,8 @@ vect_stmt_relevant_p (gimple stmt, loop_vec_info loop_vinfo, /* changing memory. */ if (gimple_code (stmt) != GIMPLE_PHI) - if (gimple_vdef (stmt)) + if (gimple_vdef (stmt) + && !gimple_clobber_p (stmt)) { if (dump_enabled_p ()) dump_printf_loc (MSG_NOTE, vect_location, |