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[ASR Pass] Symbolic: Simplify vecbasic_new to return FunctionCall
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@Thirumalai-Shaktivel
Thirumalai-Shaktivel committed Nov 25, 2023
1 parent 0c3d6f2 commit 93546df
Showing 1 changed file with 36 additions and 39 deletions.
75 changes: 36 additions & 39 deletions src/libasr/pass/replace_symbolic.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,41 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
return ASRUtils::STMT(ASR::make_SubroutineCall_t(al, loc, basic_get_args_sym,
basic_get_args_sym, call_args.p, call_args.n, nullptr));
}

ASR::expr_t *vecbasic_new(const Location& loc) {
std::string fn_name = "vecbasic_new";
symbolic_dependencies.push_back(fn_name);
ASR::symbol_t *vecbasic_new_sym = current_scope->resolve_symbol(fn_name);
if ( !vecbasic_new_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 *arg_name = s2c(al, "_lpython_return_variable");
ASR::symbol_t* arg1 = ASR::down_cast<ASR::symbol_t>(
ASR::make_Variable_t(al, loc, fn_symtab, arg_name, nullptr, 0,
ASR::intentType::ReturnVar, nullptr, nullptr,
ASR::storage_typeType::Default, ASRUtils::TYPE((ASR::make_CPtr_t(al, loc))),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, false));
fn_symtab->add_symbol(arg_name, arg1);

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_new_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_new_sym);
}
Vec<ASR::call_arg_t> call_args; call_args.reserve(al, 1);
return ASRUtils::EXPR(ASRUtils::make_FunctionCall_t_util(al, loc,
vecbasic_new_sym, vecbasic_new_sym, call_args.p, call_args.n,
ASRUtils::TYPE(ASR::make_CPtr_t(al, loc)), nullptr, nullptr));
}
/********************************** Utils *********************************/

void visit_Function(const ASR::Function_t &x) {
Expand Down Expand Up @@ -606,7 +641,6 @@ 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_new_sym = declare_vecbasic_new_function(al, loc, module_scope);
ASR::symbol_t* vecbasic_get_sym = declare_vecbasic_get_function(al, loc, module_scope);
ASR::symbol_t* vecbasic_size_sym = declare_vecbasic_size_function(al, loc, module_scope);

Expand All @@ -621,11 +655,7 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi

// Statement 1
ASR::expr_t* args = ASRUtils::EXPR(ASR::make_Var_t(al, loc, args_sym));
Vec<ASR::call_arg_t> call_args1;
call_args1.reserve(al, 1);
ASR::expr_t* function_call1 = ASRUtils::EXPR(ASRUtils::make_FunctionCall_t_util(al, loc,
vecbasic_new_sym, vecbasic_new_sym, call_args1.p, call_args1.n,
ASRUtils::TYPE(ASR::make_CPtr_t(al, loc)), nullptr, nullptr));
ASR::expr_t* function_call1 = vecbasic_new(loc);
ASR::stmt_t* stmt1 = ASRUtils::STMT(ASR::make_Assignment_t(al, loc, args, function_call1, nullptr));
pass_result.push_back(al, stmt1);

Expand Down Expand Up @@ -833,39 +863,6 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
return module_scope->get_symbol(name);
}

ASR::symbol_t* declare_vecbasic_new_function(Allocator& al, const Location& loc, SymbolTable* module_scope) {
std::string name = "vecbasic_new";
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_CPtr_t(al, loc))),
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, false));
fn_symtab->add_symbol(s2c(al, "_lpython_return_variable"), arg1);

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

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