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authorRichard Guenther <rguenther@suse.de>2012-01-27 15:50:32 +0000
committerRichard Guenther <rguenther@suse.de>2012-01-27 15:50:32 +0000
commit9216451f245c3b26c53ed7f42bf8fd27893765c0 (patch)
treede0137219b2809a11282fc9afc61586b926e30df /gcc/tree-sra.c
parentb4a96a1dc5ea8e802f978180b1279064524357f5 (diff)
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: https://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.c14
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)