Teach Legalize how to expand an EXTRACT_ELEMENT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47656 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index f4a2bc0..32b2101 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -5739,6 +5739,12 @@
#endif
assert(0 && "Do not know how to expand this operator!");
abort();
+ case ISD::EXTRACT_ELEMENT:
+ ExpandOp(Node->getOperand(0), Lo, Hi);
+ if (cast<ConstantSDNode>(Node->getOperand(1))->getValue())
+ return ExpandOp(Hi, Lo, Hi);
+ else
+ return ExpandOp(Lo, Lo, Hi);
case ISD::EXTRACT_VECTOR_ELT:
assert(VT==MVT::i64 && "Do not know how to expand this operator!");
// ExpandEXTRACT_VECTOR_ELT tolerates invalid result types.