[cpu-detection] Return amdfam10 for all subtypes. Address Bug 28067.

Summary: Remove architecture subtype from the string returned by getHostCPUName(). String matching done on type.

Reviewers: llvm-commits, echristo

Subscribers: mehdi_amini

Differential Revision: http://reviews.llvm.org/D21193

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272328 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Support/Host.cpp

@@ -869,16 +869,7 @@ StringRef sys::getHostCPUName() {
         return "athlon";
       }
     case AMDFAM10H:
-      switch (Subtype) {
-      case AMDFAM10H_BARCELONA:
-        return "amdfam10-barcelona";
-      case AMDFAM10H_SHANGHAI:
-        return "amdfam10-shanghai";
-      case AMDFAM10H_ISTANBUL:
-        return "amdfam10-istanbul";
-      default:
         return "amdfam10";
-      }
     case AMDFAM14H:
       return "btver1";
     case AMDFAM15H: