diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index a76bb23..2ad4b32 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -3022,7 +3022,7 @@
         V = ValueList[ID];
       unsigned NumUses = 0;
       SmallDenseMap<const Use *, unsigned, 16> Order;
-      for (const Use &U : V->uses()) {
+      for (const Use &U : V->materialized_uses()) {
         if (++NumUses > Record.size())
           break;
         Order[&U] = Record[NumUses - 1];
@@ -5267,7 +5267,8 @@
 
   // Upgrade any old intrinsic calls in the function.
   for (auto &I : UpgradedIntrinsics) {
-    for (auto UI = I.first->user_begin(), UE = I.first->user_end(); UI != UE;) {
+    for (auto UI = I.first->materialized_user_begin(), UE = I.first->user_end();
+         UI != UE;) {
       User *U = *UI;
       ++UI;
       if (CallInst *CI = dyn_cast<CallInst>(U))