Nodecl::Symbol Symbol::make_nodecl(bool set_ref_type, const locus_t* locus) const
{
Nodecl::Symbol sym = Nodecl::Symbol::make(*this, locus);
if (set_ref_type)
{
TL::Type t = this->get_type();
if (!t.is_any_reference())
t = t.get_lvalue_reference_to();
sym.set_type(t);
}
else
{
sym.set_type(this->get_type());
}
// Set constant (currently only for variables)
if (this->is_variable()
&& this->get_type().is_const()
&& !this->is_parameter() // avoid 'void f(const int n = 3)'
&& !this->get_value().is_null()
&& this->get_value().is_constant())
{
sym.set_constant(this->get_value().get_constant());
}
return sym;
}
virtual void visit(const Nodecl::Symbol& node)
{
TL::Symbol sym = node.get_symbol();
auto it = _m.find(sym);
if (it != _m.end()) {
node.replace(Source(it->second).parse_expression(_scope));
}
}
void visit(const Nodecl::Symbol& node)
{
TL::Symbol sym = node.get_symbol();
std::map<TL::Symbol, Nodecl::NodeclBase>::const_iterator it = _reduction_symbol_to_nodecl_map.find(sym);
if (it == _reduction_symbol_to_nodecl_map.end())
return;
node.replace(it->second.shallow_copy());
}
void visit(const Nodecl::Symbol& node)
{
TL::Symbol sym = node.get_symbol();
if ((_data_sharing.get_data_sharing(sym, /* check_enclosing */ false) & ~DS_IMPLICIT)
== DS_UNDEFINED)
{
// Mark this as an implicit firstprivate
_data_sharing.set_data_sharing(sym, TL::OpenMP::DataSharingAttribute( DS_FIRSTPRIVATE | DS_IMPLICIT) );
std::cerr << node.get_locus_str() << ": warning: assuming '" << sym.get_qualified_name() << "' as firstprivate" << std::endl;
}
}
Nodecl::Symbol Symbol::make_nodecl(bool set_ref_type, const locus_t* locus) const
{
Nodecl::Symbol sym = Nodecl::Symbol::make(*this, locus);
if (set_ref_type)
{
TL::Type t = this->get_type();
if (!t.is_any_reference())
t = t.get_lvalue_reference_to();
sym.set_type(t);
}
return sym;
}
int SuitableAlignmentVisitor::visit( const Nodecl::Symbol& n )
{
if (is_suitable_expression(n))
{
return 0;
}
else if( n.is_constant( ) )
{
int value = const_value_cast_to_signed_int( n.get_constant( )) * _type_size;
if(is_suitable_constant(value))
return 0;
else
return value;
}
else if( Utils::induction_variable_list_contains_variable( _induction_variables, n ) )
{
Utils::InductionVariableData* iv = Utils::get_induction_variable_from_list( _induction_variables, n );
Nodecl::Utils::ReduceExpressionVisitor v;
Nodecl::NodeclBase lb = iv->get_lb( ).shallow_copy( );
v.walk( lb );
if( lb.is_constant( ) )
{
Nodecl::NodeclBase incr = iv->get_increment( ).shallow_copy( );
v.walk( incr );
if( incr.is_constant( ) )
{
return (const_value_cast_to_signed_int( lb.get_constant( ) )
+ ( const_value_cast_to_signed_int( incr.get_constant( ) )
* _unroll_factor)) * _type_size;
}
}
}
return -1;
}
virtual void visit(const Nodecl::Symbol& node)
{
TL::Symbol sym = node.get_symbol();
if (_sym == sym) exist = true;
}
void VectorizerVisitorExpression::visit(const Nodecl::Symbol& n)
{
TL::Type sym_type = n.get_type();
//std::cerr << "scalar_type: " << n.prettyprint() << std::endl;
if (!sym_type.is_vector())
{
// Vectorize BASIC induction variable
if (Vectorizer::_analysis_info->is_basic_induction_variable(
Vectorizer::_analysis_scopes->back(),
n))
{
std::cerr << "Basic IV: " << n.prettyprint() << "\n";
// Computing IV offset {0, 1, 2, 3}
TL::ObjectList<Nodecl::NodeclBase> literal_list;
const_value_t *ind_var_increment = Vectorizer::_analysis_info->get_induction_variable_increment(
Vectorizer::_analysis_scopes->back(), n);
for(const_value_t *i = const_value_get_zero(4, 0);
const_value_is_nonzero(const_value_lt(i, const_value_get_unsigned_int(_unroll_factor)));
i = const_value_add(i, ind_var_increment))
{
literal_list.prepend(const_value_to_nodecl(i));
}
Nodecl::List offset = Nodecl::List::make(literal_list);
// IV cannot be a reference
TL::Type ind_var_type = get_qualified_vector_to(n.get_type(), _vector_length).no_ref();
TL::Type offset_type = ind_var_type;
Nodecl::ParenthesizedExpression vector_induction_var =
Nodecl::ParenthesizedExpression::make(
Nodecl::VectorAdd::make(
Nodecl::VectorPromotion::make(
n.shallow_copy(),
ind_var_type,
n.get_locus()),
Nodecl::VectorLiteral::make(
offset,
offset_type,
n.get_locus()),
get_qualified_vector_to(n.get_type(), _vector_length),
n.get_locus()),
get_qualified_vector_to(n.get_type(), _vector_length),
n.get_locus());
n.replace(vector_induction_var);
}
// Vectorize symbols declared in the SIMD scope
else if (is_declared_in_scope(
_simd_inner_scope.get_decl_context().current_scope,
n.get_symbol().get_scope().get_decl_context().current_scope))
{
//std::cerr << "NS scalar_type: " << n.prettyprint() << std::endl;
TL::Symbol tl_sym = n.get_symbol();
TL::Type tl_sym_type = tl_sym.get_type();
//TL::Symbol
if (tl_sym_type.is_scalar_type())
{
//std::cerr << "TS scalar_type: " << n.prettyprint() << std::endl;
tl_sym.set_type(get_qualified_vector_to(tl_sym_type, _vector_length));
tl_sym_type = tl_sym.get_type();
}
//Nodecl::Symbol
Nodecl::Symbol new_sym =
Nodecl::Symbol::make(tl_sym,
n.get_locus());
new_sym.set_type(tl_sym_type.get_lvalue_reference_to());
n.replace(new_sym);
}
// Vectorize constants
else if (Vectorizer::_analysis_info->is_constant(
Vectorizer::_analysis_scopes->back(),
n))
{
const Nodecl::VectorPromotion vector_prom =
Nodecl::VectorPromotion::make(
n.shallow_copy(),
get_qualified_vector_to(sym_type, _vector_length),
n.get_locus());
n.replace(vector_prom);
}
else
{
//TODO: If you are from outside of the loop -> Vector local copy.
running_error("Vectorizer: Loop is not vectorizable. '%s' is not IV or Constant or Local.",
n.get_symbol().get_name().c_str());
}
}
}
