Index: include/llvm/ADT/Triple.h
===================================================================
--- include/llvm/ADT/Triple.h
+++ include/llvm/ADT/Triple.h
@@ -185,7 +185,9 @@
     Cygnus,
     AMDOpenCL,
     CoreCLR,
-    LastEnvironmentType = CoreCLR
+    AMDCOV1,
+    AMDCOV2,
+    LastEnvironmentType = AMDCOV2
   };
   enum ObjectFormatType {
     UnknownObjectFormat,
Index: lib/Support/Triple.cpp
===================================================================
--- lib/Support/Triple.cpp
+++ lib/Support/Triple.cpp
@@ -210,6 +210,8 @@
   case Cygnus: return "cygnus";
   case AMDOpenCL: return "amdopencl";
   case CoreCLR: return "coreclr";
+  case AMDCOV1: return "amdcov1";
+  case AMDCOV2: return "amdcov2";
   }
 
   llvm_unreachable("Invalid EnvironmentType!");
@@ -469,6 +471,8 @@
     .StartsWith("cygnus", Triple::Cygnus)
     .StartsWith("amdopencl", Triple::AMDOpenCL)
     .StartsWith("coreclr", Triple::CoreCLR)
+    .StartsWith("amdcov1", Triple::AMDCOV1)
+    .StartsWith("amdcov2", Triple::AMDCOV2)
     .Default(Triple::UnknownEnvironment);
 }