diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index a81d56e..b5370e5 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -611,6 +611,8 @@
       return CPUType::X64;
     case Triple::ArchType::thumb:
       return CPUType::Thumb;
+    case Triple::ArchType::aarch64:
+      return CPUType::ARM64;
     default:
       report_fatal_error("target architecture doesn't map to a CodeView "
                          "CPUType");