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-rw-r--r--llvm/include/llvm/CodeGen/SelectionDAGNodes.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
index 67ceda11613..e9b54fb92cc 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -74,6 +74,9 @@ namespace ISD {
// out.
ImplicitDef,
+ // UNDEF - An undefined node
+ UNDEF,
+
// EXTRACT_ELEMENT - This is used to get the first or second (determined by
// a Constant, which is required to be operand #1), element of the aggregate
// value specified as operand #0. This is only for use before legalization,
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