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| author | Martin Jambor <mjambor@suse.cz> | 2012-03-27 18:22:39 +0000 |
|---|---|---|
| committer | Martin Jambor <mjambor@suse.cz> | 2012-03-27 18:22:39 +0000 |
| commit | 20c0325d5150e55e33ab98883c2448f202d07871 (patch) | |
| tree | 7ff5b04eaa1b80005f086c7bd7ab9004f5039f7d /gcc/tree-sra.c | |
| parent | 681e1f9b1ca4852d51c9027b9245cc8287258947 (diff) | |
2012-03-27 Martin Jambor <mjambor@suse.cz>
PR middle-end/52693
* tree-sra.c (sra_modify_assign): Do not call
load_assign_lhs_subreplacements when working with an unscalarizable
region.
* testsuite/gcc.dg/torture/pr52693.c: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@185891 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-sra.c')
| -rw-r--r-- | gcc/tree-sra.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index 4d1aa5f1eca..84dc3be27c8 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -3071,7 +3071,13 @@ sra_modify_assign (gimple *stmt, gimple_stmt_iterator *gsi) } else { - if (access_has_children_p (lacc) && access_has_children_p (racc)) + if (access_has_children_p (lacc) + && access_has_children_p (racc) + /* When an access represents an unscalarizable region, it usually + represents accesses with variable offset and thus must not be used + to generate new memory accesses. */ + && !lacc->grp_unscalarizable_region + && !racc->grp_unscalarizable_region) { gimple_stmt_iterator orig_gsi = *gsi; enum unscalarized_data_handling refreshed; |