[gcc r17-2418] Remove unused return value from vect_transform_stmt

https://gcc.gnu.org/g:de8cbe4445362bcaa8f55c044397661c19a4260c

commit r17-2418-gde8cbe4445362bcaa8f55c044397661c19a4260c
Author: Richard Biener <[email protected]>
Date:   Wed Jul 15 15:11:36 2026 +0200

    Remove unused return value from vect_transform_stmt
    
    Without SLP we used to elide stores immediately, but now this is
    done as postprocessing so the return value is no longer needed.
    
            * tree-vectorizer.h (vect_transform_stmt): Return void.
            * tree-vect-stmts.cc (vect_transform_stmt): Likewise.

Diff:
---
 gcc/tree-vect-stmts.cc | 6 +-----
 gcc/tree-vectorizer.h  | 2 +-
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/gcc/tree-vect-stmts.cc b/gcc/tree-vect-stmts.cc
index 76e24b2c1699..700b3e7e0686 100644
--- a/gcc/tree-vect-stmts.cc
+++ b/gcc/tree-vect-stmts.cc
@@ -13384,12 +13384,11 @@ vect_analyze_stmt (vec_info *vinfo,
 
    Create a vectorized stmt to replace STMT_INFO, and insert it at GSI.  */
 
-bool
+void
 vect_transform_stmt (vec_info *vinfo,
 		     stmt_vec_info stmt_info, gimple_stmt_iterator *gsi,
 		     slp_tree slp_node, slp_instance slp_node_instance)
 {
-  bool is_store = false;
   bool done;
 
   gcc_assert (slp_node);
@@ -13435,7 +13434,6 @@ vect_transform_stmt (vec_info *vinfo,
     case store_vec_info_type:
       done = vectorizable_store (vinfo, stmt_info, gsi, slp_node, NULL);
       gcc_assert (done);
-      is_store = true;
       break;
 
     case condition_vec_info_type:
@@ -13523,8 +13521,6 @@ vect_transform_stmt (vec_info *vinfo,
 	  gcc_assert (done);
 	}
     }
-
-  return is_store;
 }
 
 
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h
index 2e4756926f2a..d4eb20f1a107 100644
--- a/gcc/tree-vectorizer.h
+++ b/gcc/tree-vectorizer.h
@@ -2596,7 +2596,7 @@ void vect_get_vec_defs (vec_info *, slp_tree,
 extern tree vect_init_vector (vec_info *, stmt_vec_info, tree, tree,
                               gimple_stmt_iterator *);
 extern tree vect_get_slp_vect_def (slp_tree, unsigned);
-extern bool vect_transform_stmt (vec_info *, stmt_vec_info,
+extern void vect_transform_stmt (vec_info *, stmt_vec_info,
 				 gimple_stmt_iterator *,
 				 slp_tree, slp_instance);
 extern void vect_remove_stores (vec_info *, stmt_vec_info);