From d71aacc3912424e37103dd640c1acfb476cd49ac Mon Sep 17 00:00:00 2001
From: guodongliang <guodongliang@canaan-creative.com>
Date: Sat, 18 Jan 2025 21:02:58 +0800
Subject: [PATCH] revise bug for concat with quantize

---
 src/Nncase.Passes/Rules/Neutral/CombineQuantize.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Nncase.Passes/Rules/Neutral/CombineQuantize.cs b/src/Nncase.Passes/Rules/Neutral/CombineQuantize.cs
index 412a225c2..797dcfcdb 100644
--- a/src/Nncase.Passes/Rules/Neutral/CombineQuantize.cs
+++ b/src/Nncase.Passes/Rules/Neutral/CombineQuantize.cs
@@ -48,6 +48,11 @@ public sealed partial class CombineQuantizeConcat : RewriteRule<Pattern>
             // see UnitTestCombineQuantize.TestCombineQuantizeConcatNegative
             foreach (var e in tupleInputs)
             {
+                if (e.CheckedShape.Any(s => s.Value == 0))
+                {
+                    return null;
+                }
+
                 if (userAnalysis[e].Count() > 1)
                 {
                     foreach (var user in userAnalysis[e])