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Summary: This issue from the bugzilla: https://bugs.llvm.org/show_bug.cgi?id=41177 When the two operands for BUILD_VECTOR are same, we will get assert error. llvm::SDValue combineBVOfConsecutiveLoads(llvm::SDNode*, llvm::SelectionDAG&): Assertion `!(InputsAreConsecutiveLoads && InputsAreReverseConsecutive) && "The loads cannot be both consecutive and reverse consecutive."' failed. This error caused by the wrong ElemSIze when calling isConsecutiveLS(). We should use `getScalarType().getStoreSize();` to get the ElemSize instread of `getScalarSizeInBits() / 8`. Reviewed By: jsji Differential Revision: https://reviews.llvm.org/D60811 llvm-svn: 358644
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