diff --git a/llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutor.h b/llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutor.h
index 73308925e9142..724f39634297a 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutor.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutor.h
@@ -690,7 +690,9 @@ class GIMatchTableExecutor {
   bool isObviouslySafeToFold(MachineInstr &MI, MachineInstr &IntoMI) const;
 
   template <typename Ty> static Ty readBytesAs(const uint8_t *MatchTable) {
-    return *reinterpret_cast<const Ty *>(MatchTable);
+    Ty res;
+    memcpy(&res, MatchTable, sizeof(res));
+    return res;
   }
 };