Add support for target DAG nodes that take 4 operands, such as PowerPC's
rlwinm.
llvm-svn: 22856
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index f413010..7f0725e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1810,6 +1810,14 @@
N->setValueTypes(VT);
N->setOperands(Op1, Op2, Op3);
}
+void SelectionDAG::SelectNodeTo(SDNode *N, MVT::ValueType VT,
+ unsigned TargetOpc, SDOperand Op1,
+ SDOperand Op2, SDOperand Op3, SDOperand Op4) {
+ RemoveNodeFromCSEMaps(N);
+ N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
+ N->setValueTypes(VT);
+ N->setOperands(Op1, Op2, Op3, Op4);
+}
/// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
/// This can cause recursive merging of nodes in the DAG.