¶bool isConstantSplatVector(
    const llvm::SDNode* N,
    llvm::APInt& SplatValue)

Description

If N is a BUILD_VECTOR node whose elements are all the same constant or undefined, return true and return the constant value in \p SplatValue.

Declared at: llvm/include/llvm/CodeGen/SelectionDAGNodes.h:89

Parameters

const llvm::SDNode* N

llvm::APInt& SplatValue