diff options
| author | Dale Johannesen <dalej@apple.com> | 2010-10-26 23:11:10 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2010-10-26 23:11:10 +0000 |
| commit | 1de4aa904e9672abfc2e755d798c926d324e2d36 (patch) | |
| tree | 5647f3caf1fe2bba9f2a1fabf99b9927cda86134 /lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | |
| parent | 3d26d5d5240fb3bfe121434d4881da22f4b35ba5 (diff) | |
Use a MemIntrinsicSDNode for ISD::PREFETCH, which touches
memory, so a MachineMemOperand is useful (not propagated
into the MachineInstr yet). No functional change except
for dump output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117413 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 7c875846b6..1d7519b3b4 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -4617,14 +4617,22 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { case Intrinsic::prefetch: { SDValue Ops[4]; + unsigned rw = cast<ConstantInt>(I.getArgOperand(1))->getZExtValue(); Ops[0] = getRoot(); Ops[1] = getValue(I.getArgOperand(0)); Ops[2] = getValue(I.getArgOperand(1)); Ops[3] = getValue(I.getArgOperand(2)); - DAG.setRoot(DAG.getNode(ISD::PREFETCH, dl, MVT::Other, &Ops[0], 4)); + DAG.setRoot(DAG.getMemIntrinsicNode(ISD::PREFETCH, dl, + DAG.getVTList(MVT::Other), + &Ops[0], 4, + EVT::getIntegerVT(*Context, 8), + MachinePointerInfo(I.getArgOperand(0)), + 0, /* align */ + false, /* volatile */ + rw==0, /* read */ + rw==1)); /* write */ return 0; } - case Intrinsic::memory_barrier: { SDValue Ops[6]; Ops[0] = getRoot(); |