From 6b1eaee1f923f7ceb80c3996e65df4f5a76d9f1d Mon Sep 17 00:00:00 2001
From: Joseph Schuchart <joseph.schuchart@stonybrook.edu>
Date: Thu, 5 Sep 2024 17:50:37 -0400
Subject: [PATCH] Broadcast: Forward rvalue references instead of wrapping them
 in std::tie

Signed-off-by: Joseph Schuchart <joseph.schuchart@stonybrook.edu>
---
 ttg/ttg/device/task.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ttg/ttg/device/task.h b/ttg/ttg/device/task.h
index 76e5b8e8f..f6ff05a1a 100644
--- a/ttg/ttg/device/task.h
+++ b/ttg/ttg/device/task.h
@@ -474,7 +474,11 @@ namespace ttg::device {
   template <size_t i, typename rangeT,
             ttg::Runtime Runtime = ttg::ttg_runtime>
   inline detail::send_t broadcastk(rangeT &&keylist) {
-    return detail::send_t{detail::broadcastk_coro<i>(std::tie(keylist))};
+    if constexpr (std::is_rvalue_reference_v<decltype(keylist)>) {
+      return detail::send_t{detail::broadcastk_coro<i>(std::forward<rangeT>(keylist))};
+    } else {
+      return detail::send_t{detail::broadcastk_coro<i>(std::tie(keylist))};
+    }
   }