Method CodegenClearNullBits

be/src/codegen/llvm-codegen.cc:1783–1790

}

void LlvmCodeGen::CodegenClearNullBits(
    LlvmBuilder* builder, llvm::Value* tuple_ptr, const TupleDescriptor& tuple_desc) {
  llvm::Value* int8_ptr = builder->CreateBitCast(tuple_ptr, ptr_type(), "int8_ptr");
  llvm::Value* null_bytes_offset = GetI32Constant(tuple_desc.null_bytes_offset());
  llvm::Value* null_bytes_ptr =
      builder->CreateInBoundsGEP(int8_ptr, null_bytes_offset, "null_bytes_ptr");
  CodegenMemset(builder, null_bytes_ptr, 0, tuple_desc.num_null_bytes());
}

llvm::Value* LlvmCodeGen::CodegenMemPoolAllocate(LlvmBuilder* builder,
    llvm::Value* pool_val, llvm::Value* size_val, const char* name) {