From 7904ea742ee37f7020dea85376f20d9aec04a377 Mon Sep 17 00:00:00 2001
From: erwei-xilinx <erweiw@xilinx.com>
Date: Tue, 26 Nov 2024 09:05:09 +0800
Subject: [PATCH] Disable connecting time-multiplexed channels with tokens
 (#795)

---
 mlir/lib/Transform/AIRDependencyScheduleOpt.cpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mlir/lib/Transform/AIRDependencyScheduleOpt.cpp b/mlir/lib/Transform/AIRDependencyScheduleOpt.cpp
index ef7053292..c1b5a05af 100644
--- a/mlir/lib/Transform/AIRDependencyScheduleOpt.cpp
+++ b/mlir/lib/Transform/AIRDependencyScheduleOpt.cpp
@@ -4090,12 +4090,8 @@ class AIRFuseChannels
     remapAllParentLoopArgs(remap, a, b);
     OpBuilder builder(a);
     builder.setInsertionPoint(a->getBlock()->getTerminator());
-    auto new_b = cloneOpAndOperands(builder, remap, b);
+    cloneOpAndOperands(builder, remap, b);
     eraseParentLoopIfEmpty(*b);
-    auto async_b = dyn_cast<air::AsyncOpInterface>(new_b);
-    if (async_b.getAsyncToken())
-      async_b.addAsyncDependency(
-          dyn_cast<air::AsyncOpInterface>(a.getOperation()).getAsyncToken());
   }
   void mergeChannelOpsTemporally(air::ChannelInterface a,
                                  air::ChannelInterface b,