From 913ac8927c401ca94f5d5ac9193ff33d062c32c1 Mon Sep 17 00:00:00 2001
From: "Song, Yunfei" <yunfei.song@intel.com>
Date: Thu, 29 Aug 2024 19:58:46 -0700
Subject: [PATCH] early exist when `operand` is function argument

---
 lib/gc/Transforms/IterativeTilingAndFusion.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/gc/Transforms/IterativeTilingAndFusion.cpp b/lib/gc/Transforms/IterativeTilingAndFusion.cpp
index 23fe73663..53b6ac43c 100644
--- a/lib/gc/Transforms/IterativeTilingAndFusion.cpp
+++ b/lib/gc/Transforms/IterativeTilingAndFusion.cpp
@@ -46,6 +46,8 @@ getClosestExtractSliceOfOperand(OpOperand &operand) {
     if (auto loop =
             dyn_cast<LoopLikeOpInterface>(iterArg.getOwner()->getParentOp()))
       return getClosestExtractSliceOfOperand(*loop.getTiedLoopInit(iterArg));
+    // If operand is not using loop init.
+    return failure();
   }
 
   Operation *defineOp = operand.get().getDefiningOp();