[X86] Use MCPhysReg and uint16_t for static arrays of registers and opcodes respectively should reduce size tiny bit. NFC

llvm-svn: 262458
diff --git a/llvm/lib/Target/X86/X86SelectionDAGInfo.h b/llvm/lib/Target/X86/X86SelectionDAGInfo.h
index e90aef6..5a5fd91 100644
--- a/llvm/lib/Target/X86/X86SelectionDAGInfo.h
+++ b/llvm/lib/Target/X86/X86SelectionDAGInfo.h
@@ -26,7 +26,7 @@
   /// Returns true if it is possible for the base register to conflict with the
   /// given set of clobbers for a memory intrinsic.
   bool isBaseRegConflictPossible(SelectionDAG &DAG,
-                                 ArrayRef<unsigned> ClobberSet) const;
+                                 ArrayRef<MCPhysReg> ClobberSet) const;
 
 public:
   explicit X86SelectionDAGInfo() = default;