[X86] Add Knights Mill CPU to cpu_indicator support to match libgcc.

llvm-svn: 315505
diff --git a/compiler-rt/lib/builtins/cpu_model.c b/compiler-rt/lib/builtins/cpu_model.c
index 83ea7a4..2fd39e1 100644
--- a/compiler-rt/lib/builtins/cpu_model.c
+++ b/compiler-rt/lib/builtins/cpu_model.c
@@ -54,6 +54,7 @@
   AMD_BTVER1,
   AMD_BTVER2,
   AMDFAM17H,
+  INTEL_KNM,
   CPU_TYPE_MAX
 };
 
@@ -361,6 +362,10 @@
       *Type = INTEL_KNL; // knl
       break;
 
+    case 0x85:
+      *Type = INTEL_KNM; // knm
+      break;
+
     default: // Unknown family 6 CPU.
       break;
     break;