From 7259481f0ece6283a6e2943448e8d28ffffc40f9 Mon Sep 17 00:00:00 2001
From: Richard Biener <rguenther@suse.de>
Date: Tue, 1 Feb 2022 11:32:11 +0100
Subject: [PATCH] tree-optimization/104322 - remove dead code in
vectorizable_reduction
The PR points out dead code after previous refactoring.
2022-02-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/104322
* tree-vect-loop.cc (vectorizable_reduction): Remove dead code.
---
gcc/tree-vect-loop.cc | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index f53a634a390c..ab7dade1c743 100644
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -6634,19 +6634,14 @@ vectorizable_reduction (loop_vec_info loop_vinfo,
need it to get at the number of vector stmts which wasn't
yet initialized for the instance root. */
}
- if (STMT_VINFO_DEF_TYPE (stmt_info) == vect_reduction_def)
- stmt_info = vect_stmt_to_vectorize (STMT_VINFO_REDUC_DEF (stmt_info));
- else
+ if (STMT_VINFO_DEF_TYPE (stmt_info) == vect_double_reduction_def)
{
- gcc_assert (STMT_VINFO_DEF_TYPE (stmt_info)
- == vect_double_reduction_def);
use_operand_p use_p;
gimple *use_stmt;
bool res = single_imm_use (gimple_phi_result (stmt_info->stmt),
&use_p, &use_stmt);
gcc_assert (res);
phi_info = loop_vinfo->lookup_stmt (use_stmt);
- stmt_info = vect_stmt_to_vectorize (STMT_VINFO_REDUC_DEF (phi_info));
}
/* PHIs should not participate in patterns. */
--
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