--- a/lib/Target/X86/X86.h	Fri Nov 25 19:14:25 2016 +0900
+++ b/lib/Target/X86/X86.h	Fri Oct 27 17:07:41 2017 +0900
@@ -21,7 +21,10 @@
 
 class FunctionPass;
 class ImmutablePass;
+class InstructionSelector;
 class PassRegistry;
+class X86RegisterBankInfo;
+class X86Subtarget;
 class X86TargetMachine;
 
 /// This pass converts a legalized DAG into a X86-specific DAG, ready for
@@ -80,13 +83,31 @@
 /// the MachineInstr to MC.
 FunctionPass *createX86ExpandPseudoPass();
 
+/// This pass converts X86 cmov instructions into branch when profitable.
+FunctionPass *createX86CmovConverterPass();
+
 /// Return a Machine IR pass that selectively replaces
 /// certain byte and word instructions by equivalent 32 bit instructions,
 /// in order to eliminate partial register usage, false dependences on
 /// the upper portions of registers, and to save code size.
 FunctionPass *createX86FixupBWInsts();
 
+/// Return a Machine IR pass that reassigns instruction chains from one domain
+/// to another, when profitable.
+FunctionPass *createX86DomainReassignmentPass();
+
 void initializeFixupBWInstPassPass(PassRegistry &);
+
+/// This pass replaces EVEX encoded of AVX-512 instructiosn by VEX
+/// encoding when possible in order to reduce code size.
+FunctionPass *createX86EvexToVexInsts();
+
+InstructionSelector *createX86InstructionSelector(const X86TargetMachine &TM,
+                                                  X86Subtarget &,
+                                                  X86RegisterBankInfo &);
+
+void initializeEvexToVexInstPassPass(PassRegistry &);
+
 } // End llvm namespace
 
 #endif