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[ASR Pass] Symbolic: Simplify basic_has_symbol to return `FunctionC…
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@Thirumalai-Shaktivel
Thirumalai-Shaktivel committed Nov 25, 2023
1 parent 760380a commit f6d0bd6
Showing 1 changed file with 54 additions and 58 deletions.
112 changes: 54 additions & 58 deletions src/libasr/pass/replace_symbolic.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -747,6 +747,58 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
return ASRUtils::STMT(ASR::make_SubroutineCall_t(al, loc, basic_unaryop_sym,
basic_unaryop_sym, call_args.p, call_args.n, nullptr));
}

ASR::expr_t *basic_has_symbol(const Location &loc, ASR::expr_t *value_01, ASR::expr_t *value_02) {
std::string fn_name = "basic_has_symbol";
symbolic_dependencies.push_back(fn_name);
ASR::symbol_t *basic_has_symbol_sym = current_scope->resolve_symbol(fn_name);
if ( !basic_has_symbol_sym ) {
std::string header = "symengine/cwrapper.h";
SymbolTable* fn_symtab = al.make_new<SymbolTable>(current_scope->parent);

Vec<ASR::expr_t*> args; args.reserve(al, 1);
ASR::symbol_t* arg1 = ASR::down_cast<ASR::symbol_t>(ASR::make_Variable_t(
al, loc, fn_symtab, s2c(al, "_lpython_return_variable"), nullptr, 0, ASR::intentType::ReturnVar,
nullptr, nullptr, ASR::storage_typeType::Default, ASRUtils::TYPE(ASR::make_Logical_t(al, loc, 4)),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, false));
fn_symtab->add_symbol(s2c(al, "_lpython_return_variable"), arg1);
ASR::symbol_t* arg2 = ASR::down_cast<ASR::symbol_t>(ASR::make_Variable_t(
al, loc, fn_symtab, s2c(al, "x"), nullptr, 0, ASR::intentType::In,
nullptr, nullptr, ASR::storage_typeType::Default, ASRUtils::TYPE(ASR::make_CPtr_t(al, loc)),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, true));
fn_symtab->add_symbol(s2c(al, "x"), arg2);
args.push_back(al, ASRUtils::EXPR(ASR::make_Var_t(al, loc, arg2)));
ASR::symbol_t* arg3 = ASR::down_cast<ASR::symbol_t>(ASR::make_Variable_t(
al, loc, fn_symtab, s2c(al, "y"), nullptr, 0, ASR::intentType::In,
nullptr, nullptr, ASR::storage_typeType::Default, ASRUtils::TYPE(ASR::make_CPtr_t(al, loc)),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, true));
fn_symtab->add_symbol(s2c(al, "y"), arg3);
args.push_back(al, ASRUtils::EXPR(ASR::make_Var_t(al, loc, arg3)));

Vec<ASR::stmt_t*> body; body.reserve(al, 1);
Vec<char*> dep; dep.reserve(al, 1);
ASR::expr_t* return_var = ASRUtils::EXPR(ASR::make_Var_t(al, loc, arg1));
basic_has_symbol_sym = ASR::down_cast<ASR::symbol_t>(ASRUtils::make_Function_t_util(al, loc,
fn_symtab, s2c(al, fn_name), dep.p, dep.n, args.p, args.n, body.p, body.n,
return_var, ASR::abiType::BindC, ASR::accessType::Public,
ASR::deftypeType::Interface, s2c(al, fn_name), false, false, false,
false, false, nullptr, 0, false, false, false, s2c(al, header)));
current_scope->parent->add_symbol(s2c(al, fn_name), basic_has_symbol_sym);
}

Vec<ASR::call_arg_t> call_args;
call_args.reserve(al, 1);
ASR::call_arg_t call_arg1, call_arg2;
call_arg1.loc = loc;
call_arg1.m_value = handle_argument(al, loc, value_01);
call_args.push_back(al, call_arg1);
call_arg2.loc = loc;
call_arg2.m_value = handle_argument(al, loc, value_02);
call_args.push_back(al, call_arg2);
return ASRUtils::EXPR(ASRUtils::make_FunctionCall_t_util(al, loc,
basic_has_symbol_sym, basic_has_symbol_sym, call_args.p, call_args.n,
ASRUtils::TYPE(ASR::make_Logical_t(al, loc, 4)), nullptr, nullptr));
}
/********************************** Utils *********************************/

void visit_Function(const ASR::Function_t &x) {
Expand Down Expand Up @@ -958,64 +1010,8 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
int64_t intrinsic_id = intrinsic_func->m_intrinsic_id;
switch (static_cast<LCompilers::ASRUtils::IntrinsicScalarFunctions>(intrinsic_id)) {
case LCompilers::ASRUtils::IntrinsicScalarFunctions::SymbolicHasSymbolQ: {
std::string name = "basic_has_symbol";
symbolic_dependencies.push_back(name);
if (!module_scope->get_symbol(name)) {
std::string header = "symengine/cwrapper.h";
SymbolTable* fn_symtab = al.make_new<SymbolTable>(module_scope);

Vec<ASR::expr_t*> args;
args.reserve(al, 1);
ASR::symbol_t* arg1 = ASR::down_cast<ASR::symbol_t>(ASR::make_Variable_t(
al, loc, fn_symtab, s2c(al, "_lpython_return_variable"), nullptr, 0, ASR::intentType::ReturnVar,
nullptr, nullptr, ASR::storage_typeType::Default, ASRUtils::TYPE(ASR::make_Logical_t(al, loc, 4)),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, false));
fn_symtab->add_symbol(s2c(al, "_lpython_return_variable"), arg1);
ASR::symbol_t* arg2 = ASR::down_cast<ASR::symbol_t>(ASR::make_Variable_t(
al, loc, fn_symtab, s2c(al, "x"), nullptr, 0, ASR::intentType::In,
nullptr, nullptr, ASR::storage_typeType::Default, ASRUtils::TYPE(ASR::make_CPtr_t(al, loc)),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, true));
fn_symtab->add_symbol(s2c(al, "x"), arg2);
args.push_back(al, ASRUtils::EXPR(ASR::make_Var_t(al, loc, arg2)));
ASR::symbol_t* arg3 = ASR::down_cast<ASR::symbol_t>(ASR::make_Variable_t(
al, loc, fn_symtab, s2c(al, "y"), nullptr, 0, ASR::intentType::In,
nullptr, nullptr, ASR::storage_typeType::Default, ASRUtils::TYPE(ASR::make_CPtr_t(al, loc)),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, true));
fn_symtab->add_symbol(s2c(al, "y"), arg3);
args.push_back(al, ASRUtils::EXPR(ASR::make_Var_t(al, loc, arg3)));

Vec<ASR::stmt_t*> body;
body.reserve(al, 1);

Vec<char*> dep;
dep.reserve(al, 1);

ASR::expr_t* return_var = ASRUtils::EXPR(ASR::make_Var_t(al, loc, fn_symtab->get_symbol("_lpython_return_variable")));
ASR::asr_t* subrout = ASRUtils::make_Function_t_util(al, loc,
fn_symtab, s2c(al, name), dep.p, dep.n, args.p, args.n, body.p, body.n,
return_var, ASR::abiType::BindC, ASR::accessType::Public,
ASR::deftypeType::Interface, s2c(al, name), false, false, false,
false, false, nullptr, 0, false, false, false, s2c(al, header));
ASR::symbol_t* symbol = ASR::down_cast<ASR::symbol_t>(subrout);
module_scope->add_symbol(s2c(al, name), symbol);
}

ASR::symbol_t* basic_has_symbol = module_scope->get_symbol(name);
ASR::expr_t* value1 = handle_argument(al, loc, intrinsic_func->m_args[0]);
ASR::expr_t* value2 = handle_argument(al, loc, intrinsic_func->m_args[1]);
Vec<ASR::call_arg_t> call_args;
call_args.reserve(al, 1);
ASR::call_arg_t call_arg1, call_arg2;
call_arg1.loc = loc;
call_arg1.m_value = value1;
call_args.push_back(al, call_arg1);
call_arg2.loc = loc;
call_arg2.m_value = value2;
call_args.push_back(al, call_arg2);
return ASRUtils::EXPR(ASRUtils::make_FunctionCall_t_util(al, loc,
basic_has_symbol, basic_has_symbol, call_args.p, call_args.n,
ASRUtils::TYPE(ASR::make_Logical_t(al, loc, 4)), nullptr, nullptr));
break;
return basic_has_symbol(loc, intrinsic_func->m_args[0],
intrinsic_func->m_args[1]);
}
// (sym_name, n) where n = 16, 15, ... as the right value of the
// IntegerCompare node as it represents SYMENGINE_ADD through SYMENGINE_ENUM
Expand Down

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