From 2677a7c536078595e28eb4f58b834ca940d50882 Mon Sep 17 00:00:00 2001
From: Cody Yu <comaniac0422@gmail.com>
Date: Mon, 26 Sep 2022 20:47:30 +0000
Subject: [PATCH] [Relay][TE] Add default param name if needed

---
 src/relay/backend/te_compiler_cache.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/relay/backend/te_compiler_cache.cc b/src/relay/backend/te_compiler_cache.cc
index 17eac443ffe3..6f55402baded 100644
--- a/src/relay/backend/te_compiler_cache.cc
+++ b/src/relay/backend/te_compiler_cache.cc
@@ -131,8 +131,9 @@ class LowerToTECompute : public backend::MemoizedExprTranslator<Array<te::Tensor
     for (Var param : relay_func->params) {
       Array<tvm::te::Tensor> inputs;
       for (const auto& ttype : FlattenTupleType(param->checked_type())) {
-        tvm::te::Tensor tensor =
-            tvm::te::placeholder(GetShape(ttype->shape), ttype->dtype, param->vid->name_hint);
+        auto name_hint = param->vid->name_hint;
+        tvm::te::Tensor tensor = tvm::te::placeholder(
+            GetShape(ttype->shape), ttype->dtype, (name_hint == "") ? "placeholder" : name_hint);
         inputs.push_back(tensor);
         fn_inputs_.push_back(tensor);
       }