The following fixes the last commit to honor the case we are not
vectorizing a loop.
Bootstrapped on x86_64-unknown-linux-gnu, pushed.
PR tree-optimization/106228
* tree-vect-data-refs.cc (vect_setup_realignment): Adjust
VUSE compute for the non-loop case.
---
gcc/tree-vect-data-refs.cc | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/gcc/tree-vect-data-refs.cc b/gcc/tree-vect-data-refs.cc
index 53e52cb58cb..609cacc4971 100644
--- a/gcc/tree-vect-data-refs.cc
+++ b/gcc/tree-vect-data-refs.cc
@@ -5777,14 +5777,14 @@ vect_setup_realignment (vec_info *vinfo, stmt_vec_info
stmt_info,
if (at_loop)
*at_loop = loop_for_initial_load;
+ tree vuse = NULL_TREE;
if (loop_for_initial_load)
- pe = loop_preheader_edge (loop_for_initial_load);
-
- tree vuse;
- gphi *vphi = get_virtual_phi (loop_for_initial_load->header);
- if (vphi)
- vuse = PHI_ARG_DEF_FROM_EDGE (vphi, pe);
- else
+ {
+ pe = loop_preheader_edge (loop_for_initial_load);
+ if (gphi *vphi = get_virtual_phi (loop_for_initial_load->header))
+ vuse = PHI_ARG_DEF_FROM_EDGE (vphi, pe);
+ }
+ if (!vuse)
vuse = gimple_vuse (gsi_stmt (*gsi));
/* 3. For the case of the optimized realignment, create the first vector
--
2.35.3
