Method BuildCombinedValidity

cpp/src/gandiva/llvm_generator.cc:1356–1367

Bitwise-AND of a vector of bits to get the combined validity.

// Bitwise-AND of a vector of bits to get the combined validity.
llvm::Value* LLVMGenerator::Visitor::BuildCombinedValidity(const DexVector& validities) {
  llvm::IRBuilder<>* builder = ir_builder();
  LLVMTypes* types = generator_->types();

  llvm::Value* isValid = types->true_constant();
  for (auto& dex : validities) {
    dex->Accept(*this);
    isValid = builder->CreateAnd(isValid, result()->data(), "validityBitAnd");
  }
  ADD_VISITOR_TRACE("combined validity is %T", isValid);
  return isValid;
}

llvm::Value* LLVMGenerator::Visitor::GetBufferReference(int idx, BufferType buffer_type,
                                                        FieldPtr field) {