1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/MC/SPIRVObjectWriter.cpp b/llvm/lib/MC/SPIRVObjectWriter.cpp
index 5e37137..d693ea3 100644
--- a/llvm/lib/MC/SPIRVObjectWriter.cpp
+++ b/llvm/lib/MC/SPIRVObjectWriter.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/MCAssembler.h"
+#include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCSPIRVObjectWriter.h"
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCValue.h"
@@ -17,8 +18,10 @@ using namespace llvm;
 void SPIRVObjectWriter::writeHeader(const MCAssembler &Asm) {
   constexpr uint32_t MagicNumber = 0x07230203;
   constexpr uint32_t GeneratorID = 43;
-  constexpr uint32_t GeneratorMagicNumber =
-      (GeneratorID << 16) | (LLVM_VERSION_MAJOR);
+  const uint32_t GeneratorMagicNumber =
+      Asm.getContext().getTargetTriple().getVendor() == Triple::AMD
+          ? UINT16_MAX
+          : ((GeneratorID << 16) | (LLVM_VERSION_MAJOR));
   constexpr uint32_t Schema = 0;
 
   W.write<uint32_t>(MagicNumber);