diff --git a/src/mapleall/maple_be/src/be/lower.cpp b/src/mapleall/maple_be/src/be/lower.cpp
index 7baa23320301e481ba2b47e5bf1b89cf4b62cfee..d02bca05e42f0a0d54bccb1152e38cdf6116a1d4 100644
--- a/src/mapleall/maple_be/src/be/lower.cpp
+++ b/src/mapleall/maple_be/src/be/lower.cpp
@@ -1068,7 +1068,12 @@ void CGLowerer::LowerAsmStmt(AsmNode *asmNode, BlockNode *newBlk) {
       continue;
     }
     // introduce a temporary to store the expression tree operand
-    MIRSymbol *st = mirModule.GetMIRBuilder()->CreateSymbol((TyIdx)opnd->GetPrimType(), NewAsmTempStrIdx(),
+    TyIdx tyIdxUsed = (TyIdx)opnd->GetPrimType();
+    if (opnd->op == OP_iread) {
+      IreadNode *ireadNode = static_cast<IreadNode *>(opnd);
+      tyIdxUsed = ireadNode->GetType()->GetTypeIndex();
+    }
+    MIRSymbol *st = mirModule.GetMIRBuilder()->CreateSymbol(tyIdxUsed, NewAsmTempStrIdx(),
         kStVar, kScAuto, mirModule.CurFunction(), kScopeLocal);
     DassignNode *dass = mirModule.GetMIRBuilder()->CreateStmtDassign(*st, 0, opnd);
 
diff --git a/src/mapleall/maple_me/src/me_ssa_lpre.cpp b/src/mapleall/maple_me/src/me_ssa_lpre.cpp
index 4fb6e013d433aef8fbcd45017888857ced0f7b91..e61384169b8e6dd46e5350fb794da206e1a54d3b 100644
--- a/src/mapleall/maple_me/src/me_ssa_lpre.cpp
+++ b/src/mapleall/maple_me/src/me_ssa_lpre.cpp
@@ -100,8 +100,12 @@ void MeSSALPre::GenerateSaveRealOcc(MeRealOcc &realOcc) {
     MapleVector<MustDefMeNode>::iterator it = mustDefList->begin();
     for (; it != mustDefList->end(); it++) {
       MustDefMeNode *mustDefMeNode = &(*it);
+      VarMeExpr *theLHS = static_cast<VarMeExpr*>(mustDefMeNode->GetLHS());
+      // check that this var is the worklist item being worked on
+      if (static_cast<VarMeExpr *>(workCand->GetTheMeExpr())->GetOst() != theLHS->GetOst()) {
+        continue;
+      }
       if (regOrVar->GetMeOp() == kMeOpReg) {
-        auto *theLHS = static_cast<VarMeExpr*>(mustDefMeNode->GetLHS());
         // change mustDef lhs to regOrVar
         mustDefMeNode->UpdateLHS(*regOrVar);
         EnterCandsForSSAUpdate(regOrVar->GetOstIdx(), *realOcc.GetMeStmt()->GetBB());