1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h
index 00dd5908cbf5..0c789061f0e1 100644
--- a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h
+++ b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h
@@ -13,6 +13,7 @@
 #ifndef LLVM_LIB_TARGET_X86_MCTARGETDESC_X86MCTARGETDESC_H
 #define LLVM_LIB_TARGET_X86_MCTARGETDESC_X86MCTARGETDESC_H
 
+#include "llvm/MC/MCRegister.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/Support/DataTypes.h"
 #include <string>
@@ -57,6 +58,10 @@ unsigned getDwarfRegFlavour(const Triple &TT, bool isEH);
 
 void initLLVMToSEHAndCVRegMapping(MCRegisterInfo *MRI);
 
+
+/// Returns true if this instruction has a LOCK prefix.
+bool hasLockPrefix(const MCInst &MI);
+
 /// Create a X86 MCSubtargetInfo instance. This is exposed so Asm parser, etc.
 /// do not need to go through TargetRegistry.
 MCSubtargetInfo *createX86MCSubtargetInfo(const Triple &TT, StringRef CPU,
@@ -111,12 +116,12 @@ createX86WinCOFFObjectWriter(bool Is64Bit);
 /// Returns the sub or super register of a specific X86 register.
 /// e.g. getX86SubSuperRegister(X86::EAX, 16) returns X86::AX.
 /// Aborts on error.
-unsigned getX86SubSuperRegister(unsigned, unsigned, bool High=false);
+MCRegister getX86SubSuperRegister(MCRegister, unsigned, bool High=false);
 
 /// Returns the sub or super register of a specific X86 register.
 /// Like getX86SubSuperRegister() but returns 0 on error.
-unsigned getX86SubSuperRegisterOrZero(unsigned, unsigned,
-                                      bool High = false);
+MCRegister getX86SubSuperRegisterOrZero(MCRegister, unsigned,
+                                        bool High = false);
 
 } // End llvm namespace