diff --git a/src/mapleall/maple_me/src/me_value_range_prop.cpp b/src/mapleall/maple_me/src/me_value_range_prop.cpp
index a236b10aadf1199fd5e215439866ffeb4e30f14c..851652fc3da61f92cb9a2b526ccb64f033e3f636 100644
--- a/src/mapleall/maple_me/src/me_value_range_prop.cpp
+++ b/src/mapleall/maple_me/src/me_value_range_prop.cpp
@@ -2881,7 +2881,11 @@ void ValueRangePropagation::DealWithOPNeOrEq(
   PrimType primType = opnd0->GetPrimType();
   if (opMeExpr->GetNumOpnds() != 0) {
     opnd0 = opMeExpr->GetOpnd(0);
-    primType = opMeExpr->GetOpndType();
+    if (kOpcodeInfo.IsTypeCvt(opMeExpr->GetOp()) || kOpcodeInfo.IsCompare(opMeExpr->GetOp())) {
+      primType = opMeExpr->GetOpndType();
+    } else {
+      primType = opnd0->GetPrimType();
+    }
   }
   if (leftRange == nullptr) {
     if (op == OP_eq) {
@@ -3349,4 +3353,4 @@ bool MEValueRangePropagation::PhaseRun(maple::MeFunction &f) {
   }
   return true;
 }
-}  // namespace maple
\ No newline at end of file
+}  // namespace maple