diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-07-24 18:22:59 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-07-24 18:22:59 +0000 |
| commit | 78d12644b905dc54cf6cf984af02a49d30d29744 (patch) | |
| tree | 6d331985db8d373932986a007eb1f31579738d7c /lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | |
| parent | 789476240d6b6f8ad9366cadf790a82bd41bb0b3 (diff) | |
Add support for promoting SETCC operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76987 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 70d053d10d..787f7ed8f9 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -3086,12 +3086,14 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node, break; } case ISD::SETCC: { - if (NVT.isInteger()) - llvm_unreachable("Cannot promote Legal Integer SETCC yet"); - else { - Tmp1 = DAG.getNode(ISD::FP_EXTEND, dl, NVT, Node->getOperand(0)); - Tmp2 = DAG.getNode(ISD::FP_EXTEND, dl, NVT, Node->getOperand(1)); + unsigned ExtOp = ISD::FP_EXTEND; + if (NVT.isInteger()) { + ISD::CondCode CCCode = + cast<CondCodeSDNode>(Node->getOperand(2))->get(); + ExtOp = isSignedIntSetCC(CCCode) ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND; } + Tmp1 = DAG.getNode(ExtOp, dl, NVT, Node->getOperand(0)); + Tmp2 = DAG.getNode(ExtOp, dl, NVT, Node->getOperand(1)); Results.push_back(DAG.getNode(ISD::SETCC, dl, Node->getValueType(0), Tmp1, Tmp2, Node->getOperand(2))); break; |