diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-01-27 15:50:32 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-01-27 15:50:32 +0000 |
| commit | 9d9e2a9940e839d1623992f16c228afefda70e34 (patch) | |
| tree | de0137219b2809a11282fc9afc61586b926e30df /gcc/tree-sra.c | |
| parent | 541c6dbbc2c32da227173e364f7a773963b492a9 (diff) | |
| download | gcc-9d9e2a9940e839d1623992f16c228afefda70e34.tar.gz | |
2012-01-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52020
* tree-sra.c (sra_modify_assign): Do not transform clobbers.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@183633 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-sra.c')
| -rw-r--r-- | gcc/tree-sra.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index fa67e94cca3..675795860d7 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) |