From: Richard Biener <rguenther@suse.de>
Date: Thu, 30 Jan 2025 14:37:05 +0000 (+0100)
Subject: Fixup vect_remove_slp_scalar_calls
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52d3352239f73d3c165550177b4fe917760b85f9;p=thirdparty%2Fgcc.git

Fixup vect_remove_slp_scalar_calls

There's a logic error for vect_remove_slp_scalar_calls where it
simply ignores pattern stmts but it should instead look at the
original stmt.

	* tree-vect-slp.cc (vect_remove_slp_scalar_calls): Look
	at the original stmt.
---

diff --git a/gcc/tree-vect-slp.cc b/gcc/tree-vect-slp.cc
index b5a9604d074..9bf142d0faf 100644
--- a/gcc/tree-vect-slp.cc
+++ b/gcc/tree-vect-slp.cc
@@ -11361,12 +11361,12 @@ vect_remove_slp_scalar_calls (vec_info *vinfo,
     {
       if (!stmt_info)
 	continue;
+      if (!PURE_SLP_STMT (stmt_info))
+	continue;
+      stmt_info = vect_orig_stmt (stmt_info);
       gcall *stmt = dyn_cast <gcall *> (stmt_info->stmt);
       if (!stmt || gimple_bb (stmt) == NULL)
 	continue;
-      if (is_pattern_stmt_p (stmt_info)
-	  || !PURE_SLP_STMT (stmt_info))
-	continue;
       lhs = gimple_call_lhs (stmt);
       if (lhs)
 	new_stmt = gimple_build_assign (lhs, build_zero_cst (TREE_TYPE (lhs)));