diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-sra.c | 14 |
2 files changed, 19 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 60bc0a9..8b2e0c6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2012-01-27 Richard Guenther <rguenther@suse.de> + PR tree-optimization/52020 + * tree-sra.c (sra_modify_assign): Do not transform clobbers. + +2012-01-27 Richard Guenther <rguenther@suse.de> + * ipa-pure-const.c (check_stmt): Clobbers do not make a function non-const/pure. diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index fa67e94..6757958 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -2836,6 +2836,20 @@ sra_modify_constructor_assign (gimple *stmt, gimple_stmt_iterator *gsi) if (!acc) return SRA_AM_NONE; + if (gimple_clobber_p (*stmt)) + { + /* Remove clobbers of fully scalarized variables, otherwise + do nothing. */ + if (acc->grp_covered) + { + unlink_stmt_vdef (*stmt); + gsi_remove (gsi, true); + return SRA_AM_REMOVED; + } + else + return SRA_AM_NONE; + } + loc = gimple_location (*stmt); if (VEC_length (constructor_elt, CONSTRUCTOR_ELTS (gimple_assign_rhs1 (*stmt))) > 0) |