Rebased PNaCl localmods in LLVM to 223109

lib/Target/X86/MCTargetDesc/X86MCNaCl.h

Index: lib/Target/X86/MCTargetDesc/X86MCNaCl.h
diff --git a/lib/Target/X86/MCTargetDesc/X86MCNaCl.h b/lib/Target/X86/MCTargetDesc/X86MCNaCl.h
new file mode 100644
index 0000000000000000000000000000000000000000..e94bab01163ee041df025858040843d413030d5c
--- /dev/null
+++ b/lib/Target/X86/MCTargetDesc/X86MCNaCl.h
@@ -0,0 +1,25 @@
+//===-- X86MCNaCl.h - Prototype for CustomExpandInstNaClX86   ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86MCNACL_H
+#define X86MCNACL_H
+
+namespace llvm {
+class MCInst;
+class MCStreamer;
+struct X86MCNaClSFIState {
+  unsigned PrefixSaved;
+  bool PrefixPass;
+  bool EmitRaw;
+};
+bool CustomExpandInstNaClX86(const MCSubtargetInfo &STI, const MCInst &Inst,
+                             MCStreamer &Out, X86MCNaClSFIState &State);
+}
+
+#endif