diff --git a/src/coreclr/jit/codegenloongarch64.cpp b/src/coreclr/jit/codegenloongarch64.cpp
index 678346fc4acc2f..e05cd20a7da6e9 100644
--- a/src/coreclr/jit/codegenloongarch64.cpp
+++ b/src/coreclr/jit/codegenloongarch64.cpp
@@ -5774,12 +5774,6 @@ void CodeGen::genPutArgStk(GenTreePutArgStk* treeNode)
     // we are storing arg slot number in GT_PUTARG_STK node in lowering phase.
     unsigned argOffsetOut = treeNode->getArgOffset();
 
-#ifdef DEBUG
-    CallArg* callArg = treeNode->gtCall->gtArgs.FindByNode(treeNode);
-    assert(callArg != nullptr);
-    DEBUG_ARG_SLOTS_ASSERT(argOffsetOut == (callArg->AbiInfo.SlotNum * TARGET_POINTER_SIZE));
-#endif // DEBUG
-
     // Whether to setup stk arg in incoming or out-going arg area?
     // Fast tail calls implemented as epilog+jmp = stk arg is setup in incoming arg area.
     // All other calls - stk arg is setup in out-going arg area.
diff --git a/src/coreclr/jit/lower.cpp b/src/coreclr/jit/lower.cpp
index b0e0fe8cc0bed3..ac9c93860484b0 100644
--- a/src/coreclr/jit/lower.cpp
+++ b/src/coreclr/jit/lower.cpp
@@ -7250,7 +7250,7 @@ void Lowering::TransformUnusedIndirection(GenTreeIndir* ind, Compiler* comp, Bas
 
     ind->ChangeType(comp->gtTypeForNullCheck(ind));
 
-#ifdef TARGET_ARM64
+#if defined(TARGET_ARM64) || defined(TARGET_LOONGARCH64)
     bool useNullCheck = true;
 #elif TARGET_ARM
     bool           useNullCheck          = false;
diff --git a/src/coreclr/jit/lsraloongarch64.cpp b/src/coreclr/jit/lsraloongarch64.cpp
index e040ada477d27e..2498292e6dd5a0 100644
--- a/src/coreclr/jit/lsraloongarch64.cpp
+++ b/src/coreclr/jit/lsraloongarch64.cpp
@@ -921,7 +921,7 @@ int LinearScan::BuildCall(GenTreeCall* call)
         GenTree* argNode = arg.GetEarlyNode();
 
         // Skip arguments that have been moved to the Late Arg list
-        if ((argNode->gtFlags & GTF_LATE_ARG) == 0)
+        if (arg.GetLateNode() == nullptr)
         {
 #if FEATURE_ARG_SPLIT
             // PUTARG_SPLIT nodes must be in the gtCallLateArgs list, since they