Visual Studio tools used on win32 hosts when targeting win32.

llvm-svn: 111748
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 5616300..e967cfe 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1272,6 +1272,11 @@
     return createMinixHostInfo(*this, Triple);
   case llvm::Triple::Linux:
     return createLinuxHostInfo(*this, Triple);
+  case llvm::Triple::Win32:
+    return createWindowsHostInfo(*this, Triple);
+  case llvm::Triple::MinGW32:
+  case llvm::Triple::MinGW64:
+    return createMinGWHostInfo(*this, Triple);
   default:
     return createUnknownHostInfo(*this, Triple);
   }