https://gcc.gnu.org/g:e2bef5c639ab5a1b519b738cf67a03b85432d5dd
commit e2bef5c639ab5a1b519b738cf67a03b85432d5dd
Author: Richard Biener <rguent...@suse.de>
Date: Thu Mar 7 15:36:00 2024 +0100
Fix last commit WRT patterns
* tree-vect-slp.cc (vect_analyze_slp): Look at the pattern
stmt for unused-only-live stmts.
Diff:
---
gcc/tree-vect-slp.cc | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/gcc/tree-vect-slp.cc b/gcc/tree-vect-slp.cc
index f39a122e035..ae749ff11ff 100644
--- a/gcc/tree-vect-slp.cc
+++ b/gcc/tree-vect-slp.cc
@@ -3956,10 +3956,12 @@ vect_analyze_slp (vec_info *vinfo, unsigned
max_tree_size)
gphi *lc_phi = *gsi;
tree def = gimple_phi_arg_def_from_edge (lc_phi, e);
stmt_vec_info stmt_info;
- if (TREE_CODE (def) == SSA_NAME
- && !virtual_operand_p (def)
- && (stmt_info = loop_vinfo->lookup_def (def))
- && STMT_VINFO_RELEVANT (stmt_info) == vect_used_only_live
+ if (TREE_CODE (def) != SSA_NAME
+ || virtual_operand_p (def)
+ || !(stmt_info = loop_vinfo->lookup_def (def)))
+ continue;
+ stmt_info = vect_stmt_to_vectorize (stmt_info);
+ if (STMT_VINFO_RELEVANT (stmt_info) == vect_used_only_live
&& STMT_VINFO_LIVE_P (stmt_info)
&& (STMT_VINFO_DEF_TYPE (stmt_info) == vect_induction_def
|| (STMT_VINFO_DEF_TYPE (stmt_info) == vect_internal_def
@@ -3969,9 +3971,9 @@ vect_analyze_slp (vec_info *vinfo, unsigned max_tree_size)
vec<stmt_vec_info> roots = vNULL;
vec<tree> remain = vNULL;
stmts.create (1);
- stmts.quick_push (vect_stmt_to_vectorize (stmt_info));
+ stmts.quick_push (stmt_info);
bool res = vect_build_slp_instance (vinfo,
-
slp_inst_kind_reduc_group,
+ /* ??? */
slp_inst_kind_reduc_group,
stmts, roots, remain,
max_tree_size, &limit,
bst_map, NULL);
