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| 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 | 26a484852efff773c8e093e6a408d2500a43d0ca (patch) | |
| tree | a2670797e5fcef811d0d694c7b605aa336771d80 /llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | |
| parent | 1644409b477a12f45448970a96493366652a5e0d (diff) | |
| download | llvm-26a484852efff773c8e093e6a408d2500a43d0ca.zip llvm-26a484852efff773c8e093e6a408d2500a43d0ca.tar.gz llvm-26a484852efff773c8e093e6a408d2500a43d0ca.tar.bz2 | |
Code generation for 'fence' instruction.
llvm-svn: 136283
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index bdddca3..67707c6 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/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 |