ΒΆbool isConstantSplatVectorAllZeros(
    const llvm::SDNode* N,
    bool BuildVectorOnly = false)

Description

Return true if the specified node is a BUILD_VECTOR or SPLAT_VECTOR where all of the elements are 0 or undef. If \p BuildVectorOnly is set to true, it only checks BUILD_VECTOR.

Declared at: llvm/include/llvm/CodeGen/SelectionDAGNodes.h:102

Parameters

const llvm::SDNode* N
bool BuildVectorOnly = false