Adding -fshort-wchar option.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86167 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/Basic/TargetInfo.cpp b/lib/Basic/TargetInfo.cpp
index 12caf0c8e5..e965b9aec3 100644
--- a/lib/Basic/TargetInfo.cpp
+++ b/lib/Basic/TargetInfo.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/TargetInfo.h"
+#include "clang/Basic/LangOptions.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/STLExtras.h"
 #include <cstdlib>
@@ -124,6 +125,15 @@ bool TargetInfo::isTypeSigned(IntType T) const {
   };
 }
 
+/// setForcedLangOptions - Set forced language options.
+/// Apply changes to the target information with respect to certain
+/// language options which change the target configuration.
+void TargetInfo::setForcedLangOptions(LangOptions &Opts) {
+	if (Opts.ShortWChar) {
+    WCharType = UnsignedShort;
+    WCharWidth = WCharAlign = 16;
+	}
+}
 
 //===----------------------------------------------------------------------===//