diff --git a/llvm/lib/BinaryFormat/ELF.cpp b/llvm/lib/BinaryFormat/ELF.cpp
--- a/llvm/lib/BinaryFormat/ELF.cpp
+++ b/llvm/lib/BinaryFormat/ELF.cpp
@@ -197,6 +197,7 @@
       .Case("bpf", EM_BPF)
       .Case("ve", EM_VE)
       .Case("csky", EM_CSKY)
+      .Case("loongarch", EM_LOONGARCH)
       .Default(EM_NONE);
 }
 
@@ -561,6 +562,8 @@
     return "ve";
   case EM_CSKY:
     return "csky";
+  case EM_LOONGARCH:
+    return "loongarch";
   default:
     return "None";
   }