Remove unused MEMBARRIER DAG node; it's been replaced by ATOMIC_FENCE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179939 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 12 deletions

diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index d19c13b8ff..cd2f060ce0 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -777,7 +777,6 @@ bool DAGTypeLegalizer::PromoteIntegerOperand(SDNode *N, unsigned OpNo) {
                           Res = PromoteIntOp_CONVERT_RNDSAT(N); break;
   case ISD::INSERT_VECTOR_ELT:
                           Res = PromoteIntOp_INSERT_VECTOR_ELT(N, OpNo);break;
-  case ISD::MEMBARRIER:   Res = PromoteIntOp_MEMBARRIER(N); break;
   case ISD::SCALAR_TO_VECTOR:
                           Res = PromoteIntOp_SCALAR_TO_VECTOR(N); break;
   case ISD::VSELECT:
@@ -961,17 +960,6 @@ SDValue DAGTypeLegalizer::PromoteIntOp_INSERT_VECTOR_ELT(SDNode *N,
                                 N->getOperand(1), Idx), 0);
 }
 
-SDValue DAGTypeLegalizer::PromoteIntOp_MEMBARRIER(SDNode *N) {
-  SDValue NewOps[6];
-  DebugLoc dl = N->getDebugLoc();
-  NewOps[0] = N->getOperand(0);
-  for (unsigned i = 1; i < array_lengthof(NewOps); ++i) {
-    SDValue Flag = GetPromotedInteger(N->getOperand(i));
-    NewOps[i] = DAG.getZeroExtendInReg(Flag, dl, MVT::i1);
-  }
-  return SDValue(DAG.UpdateNodeOperands(N, NewOps, array_lengthof(NewOps)), 0);
-}
-
 SDValue DAGTypeLegalizer::PromoteIntOp_SCALAR_TO_VECTOR(SDNode *N) {
   // Integer SCALAR_TO_VECTOR operands are implicitly truncated, so just promote
   // the operand in place.