Add support for detection of Intel SandyBridge.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128920 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Host.cpp b/lib/Support/Host.cpp
index 4dacf96..911c64a 100644
--- a/lib/Support/Host.cpp
+++ b/lib/Support/Host.cpp
@@ -214,6 +214,8 @@
                // As found in a Summer 2010 model iMac.
       case 37: // Intel Core i7, laptop version.
         return "corei7";
+      case 42: // SandyBridge
+        return "sandybridge";
 
       case 28: // Intel Atom processor. All processors are manufactured using
                // the 45 nm process