diff --git a/llvm/lib/Object/ELF.cpp b/llvm/lib/Object/ELF.cpp
index 2c62eb1..7c80d41 100644
--- a/llvm/lib/Object/ELF.cpp
+++ b/llvm/lib/Object/ELF.cpp
@@ -165,6 +165,7 @@
       LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_HI16);
       LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_LO16);
       LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_GOT16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_PC16_S1);
       LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_CALL16);
       LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_GOT_DISP);
       LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_GOT_PAGE);