Index: include/llvm/Support/ELF.h
===================================================================
--- include/llvm/Support/ELF.h
+++ include/llvm/Support/ELF.h
@@ -308,7 +308,8 @@
   EM_COGE          = 216, // Cognitive Smart Memory Processor
   EM_COOL          = 217, // iCelero CoolEngine
   EM_NORC          = 218, // Nanoradio Optimized RISC
-  EM_CSR_KALIMBA   = 219  // CSR Kalimba architecture family
+  EM_CSR_KALIMBA   = 219, // CSR Kalimba architecture family
+  EM_AMDGPU        = 224  // AMD GPU architecture
 };
 
 // Object file classes.
Index: tools/llvm-readobj/ELFDumper.cpp
===================================================================
--- tools/llvm-readobj/ELFDumper.cpp
+++ tools/llvm-readobj/ELFDumper.cpp
@@ -381,7 +381,8 @@
   LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78         ),
   LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5   ),
   LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR        ),
-  LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX      )
+  LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX      ),
+  LLVM_READOBJ_ENUM_ENT(ELF, EM_AMDGPU       )
 };
 
 static const EnumEntry<unsigned> ElfSymbolBindings[] = {