Hide the call to InitMCInstrInfo into tblgen generated ctor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134244 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index d895023..5f2eba3 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -19,6 +19,9 @@
 #include "X86RegisterInfo.h"
 #include "llvm/ADT/DenseMap.h"
 
+#define GET_INSTRINFO_HEADER
+#include "X86GenInstrInfo.inc"
+
 namespace llvm {
   class X86RegisterInfo;
   class X86TargetMachine;
@@ -611,7 +614,7 @@
     isLeaMem(MI, Op);
 }
 
-class X86InstrInfo : public TargetInstrInfoImpl {
+class X86InstrInfo : public X86GenInstrInfo {
   X86TargetMachine &TM;
   const X86RegisterInfo RI;