diff options
| author | Eli Friedman <eli.friedman@gmail.com> | 2011-07-27 22:21:52 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-07-27 22:21:52 +0000 |
| commit | 14648468011c92a4210f8118721d58c25043daf8 (patch) | |
| tree | 287882ae779b0bd87f8e9a7996fae00d99785a59 /lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | |
| parent | 144da2c8f03834e76ddb617498be7ed864a5c192 (diff) | |
Code generation for 'fence' instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136283 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index bdddca3514..67707c6425 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -3221,7 +3221,12 @@ void SelectionDAGBuilder::visitStore(const StoreInst &I) { } void SelectionDAGBuilder::visitFence(const FenceInst &I) { - llvm_unreachable("Not implemented yet"); + DebugLoc dl = getCurDebugLoc(); + SDValue Ops[3]; + Ops[0] = getRoot(); + Ops[1] = DAG.getConstant(I.getOrdering(), TLI.getPointerTy()); + Ops[2] = DAG.getConstant(I.getSynchScope(), TLI.getPointerTy()); + DAG.setRoot(DAG.getNode(ISD::ATOMIC_FENCE, dl, MVT::Other, Ops, 3)); } /// visitTargetIntrinsic - Lower a call of a target intrinsic to an INTRINSIC |