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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index b696c33d9f6..0e3e83748a1 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3010,6 +3010,8 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL,
VT.getVectorNumElements() ==
Operand.getValueType().getVectorNumElements()) &&
"Vector element count mismatch!");
+ assert(Operand.getValueType().bitsLT(VT) &&
+ "Invalid fpext node, dst < src!");
if (Operand.getOpcode() == ISD::UNDEF)
return getUNDEF(VT);
break;
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