[X86] Reuse STDNone for MFENCE node [nfc]

diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index 9a32379..f26b6d7 100644 (file)
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -121,8 +121,6 @@ def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
 
 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
 
-def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
-
 def SDT_X86ENQCMD : SDTypeProfile<1, 2, [SDTCisVT<0, i32>,
                                          SDTCisPtrTy<1>, SDTCisSameAs<1, 2>]>;
 
@@ -135,8 +133,7 @@ def SDTX86Cmpccxadd : SDTypeProfile<1, 4, [SDTCisSameAs<0, 2>,
                                            SDTCisPtrTy<1>, SDTCisSameAs<2, 3>,
                                            SDTCisVT<4, i8>]>;
 
-def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
-                        [SDNPHasChain]>;
+def X86MFence : SDNode<"X86ISD::MFENCE", SDTNone, [SDNPHasChain]>;
 
 
 def X86bsf     : SDNode<"X86ISD::BSF",      SDTUnaryArithWithFlags>;