anonymous_namespace{TableFunctionCompilationContext.cpp} Namespace Reference

Functions
llvm::Function *	generate_entry_point (const CgenState *cgen_state)

Function Documentation

llvm::Function* anonymous_namespace{TableFunctionCompilationContext.cpp}::generate_entry_point

(

const CgenState *

cgen_state

)

Definition at line 31 of file TableFunctionCompilationContext.cpp.

References CgenState::context_, get_int_type(), and CgenState::module_.

                                                                {
  auto& ctx = cgen_state->context_;
  const auto pi8_type = llvm::PointerType::get(get_int_type(8, ctx), 0);
  const auto ppi8_type = llvm::PointerType::get(pi8_type, 0);
  const auto pi64_type = llvm::PointerType::get(get_int_type(64, ctx), 0);
  const auto ppi64_type = llvm::PointerType::get(pi64_type, 0);
  const auto i32_type = get_int_type(32, ctx);

  const auto func_type = llvm::FunctionType::get(
      i32_type, {ppi8_type, pi64_type, ppi64_type, pi64_type}, false);

  auto func = llvm::Function::Create(func_type,
                                     llvm::Function::ExternalLinkage,
                                     "call_table_function",
                                     cgen_state->module_);
  auto arg_it = func->arg_begin();
  const auto input_cols_arg = &*arg_it;
  input_cols_arg->setName("input_col_buffers");
  const auto input_row_count = &*(++arg_it);
  input_row_count->setName("input_row_count");
  const auto output_buffers = &*(++arg_it);
  output_buffers->setName("output_buffers");
  const auto output_row_count = &*(++arg_it);
  output_row_count->setName("output_row_count");
  return func;
}

Here is the call graph for this function: