¶bool isNullOrNullSplat(llvm::SDValue V,
                       bool AllowUndefs = false)

Description

Return true if the value is a constant 0 integer or a splatted vector of a constant 0 integer (with no undefs by default). Build vector implicit truncation is not an issue for null values.

Declared at: llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1701

Parameters

llvm::SDValue V

bool AllowUndefs = false