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[ASR Pass] Symbolic: Simplify vecbasic_size to return FunctionCall
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@Thirumalai-Shaktivel
Thirumalai-Shaktivel committed Nov 25, 2023
1 parent 799932e commit a7eae7b
Showing 1 changed file with 45 additions and 49 deletions.
94 changes: 45 additions & 49 deletions src/libasr/pass/replace_symbolic.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -264,6 +264,50 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
return ASRUtils::STMT(ASR::make_SubroutineCall_t(al, loc, vecbasic_get_sym,
vecbasic_get_sym, call_args.p, call_args.n, nullptr));
}

ASR::expr_t *vecbasic_size(const Location& loc, ASR::expr_t *x) {
std::string fn_name = "vecbasic_size";
symbolic_dependencies.push_back(fn_name);
ASR::symbol_t *vecbasic_size_sym = current_scope->resolve_symbol(fn_name);
if ( !vecbasic_size_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);
char *return_var_name = s2c(al, "_lpython_return_variable");
ASR::symbol_t* arg1 = ASR::down_cast<ASR::symbol_t>(ASR::make_Variable_t(
al, loc, fn_symtab, return_var_name, nullptr, 0, ASR::intentType::ReturnVar,
nullptr, nullptr, ASR::storage_typeType::Default, ASRUtils::TYPE(ASR::make_Integer_t(al, loc, 4)),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, false));
fn_symtab->add_symbol(return_var_name, 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)));

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));
vecbasic_size_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), vecbasic_size_sym);
}
Vec<ASR::call_arg_t> call_args;
call_args.reserve(al, 1);
ASR::call_arg_t call_arg;
call_arg.loc = loc;
call_arg.m_value = x;
call_args.push_back(al, call_arg);
return ASRUtils::EXPR(ASRUtils::make_FunctionCall_t_util(al, loc,
vecbasic_size_sym, vecbasic_size_sym, call_args.p, call_args.n,
ASRUtils::TYPE(ASR::make_Integer_t(al, loc, 4)), nullptr, nullptr));
}
/********************************** Utils *********************************/

void visit_Function(const ASR::Function_t &x) {
Expand Down Expand Up @@ -694,7 +738,6 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
case LCompilers::ASRUtils::IntrinsicScalarFunctions::SymbolicGetArgument: {
// Define necessary function symbols
ASR::expr_t* value1 = handle_argument(al, loc, x->m_args[0]);
ASR::symbol_t* vecbasic_size_sym = declare_vecbasic_size_function(al, loc, module_scope);

// Define necessary variables
ASR::ttype_t* CPtr_type = ASRUtils::TYPE(ASR::make_CPtr_t(al, loc));
Expand All @@ -715,15 +758,7 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
pass_result.push_back(al, basic_get_args(loc, value1, args));

// Statement 3
Vec<ASR::call_arg_t> call_args3;
call_args3.reserve(al, 1);
ASR::call_arg_t call_arg3;
call_arg3.loc = loc;
call_arg3.m_value = args;
call_args3.push_back(al, call_arg3);
ASR::expr_t* function_call2 = ASRUtils::EXPR(ASRUtils::make_FunctionCall_t_util(al, loc,
vecbasic_size_sym, vecbasic_size_sym, call_args3.p, call_args3.n,
ASRUtils::TYPE(ASR::make_Integer_t(al, loc, 4)), nullptr, nullptr));
ASR::expr_t* function_call2 = vecbasic_size(loc, args);
ASR::expr_t* test = ASRUtils::EXPR(ASR::make_IntegerCompare_t(al, loc, function_call2, ASR::cmpopType::Gt,
x->m_args[1], ASRUtils::TYPE(ASR::make_Logical_t(al, loc, 4)), nullptr));
std::string error_str = "tuple index out of range";
Expand Down Expand Up @@ -901,45 +936,6 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
return module_scope->get_symbol(name);
}

ASR::symbol_t* declare_vecbasic_size_function(Allocator& al, const Location& loc, SymbolTable* module_scope) {
std::string name = "vecbasic_size";
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_Integer_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)));

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);
}
return module_scope->get_symbol(name);
}

ASR::symbol_t* declare_basic_eq_function(Allocator& al, const Location& loc, SymbolTable* module_scope) {
std::string name = "basic_eq";
symbolic_dependencies.push_back(name);
Expand Down

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