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| author | Andrew Lenharth <andrewl@lenharth.org> | 2008-02-16 01:24:58 +0000 |
|---|---|---|
| committer | Andrew Lenharth <andrewl@lenharth.org> | 2008-02-16 01:24:58 +0000 |
| commit | 9b254eed320283371ee43f900e76794c3991957e (patch) | |
| tree | d5b65d5cff5240a980e09ee4d6cd995ee077bb79 /llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
| parent | 27055194b769d52c89fead4a4dc3614266fa59ba (diff) | |
| download | bcm5719-llvm-9b254eed320283371ee43f900e76794c3991957e.tar.gz bcm5719-llvm-9b254eed320283371ee43f900e76794c3991957e.zip | |
llvm.memory.barrier, and impl for x86 and alpha
llvm-svn: 47204
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index b50591873d8..0d6a47c0136 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1133,6 +1133,16 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { } break; + case ISD::MEMBARRIER: { + assert(Node->getNumOperands() == 6 && "Invalid MemBarrier node!"); + SDOperand Ops[6]; + Ops[0] = LegalizeOp(Node->getOperand(0)); // Legalize the chain. + for (int x = 1; x < 6; ++x) + Ops[x] = PromoteOp(Node->getOperand(x)); + Result = DAG.UpdateNodeOperands(Result, &Ops[0], 6); + break; + } + case ISD::Constant: { ConstantSDNode *CN = cast<ConstantSDNode>(Node); unsigned opAction = |
