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[ASR Pass] Symbolic: Simplify basic_get_args to return `SubroutineC…
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@Thirumalai-Shaktivel
Thirumalai-Shaktivel committed Nov 25, 2023
1 parent 2fe8807 commit 0c3d6f2
Showing 1 changed file with 48 additions and 52 deletions.
100 changes: 48 additions & 52 deletions src/libasr/pass/replace_symbolic.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -129,6 +129,53 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
return ASRUtils::STMT(ASR::make_SubroutineCall_t(al, loc, basic_free_stack_sym,
basic_free_stack_sym, call_args.p, call_args.n, nullptr));
}

ASR::stmt_t* basic_get_args(const Location& loc, ASR::expr_t *x, ASR::expr_t *y) {
std::string fn_name = "basic_get_args";
symbolic_dependencies.push_back(fn_name);
ASR::ttype_t *type = ASRUtils::TYPE(ASR::make_CPtr_t(al, loc));
ASR::symbol_t *basic_get_args_sym = current_scope->resolve_symbol(fn_name);
if ( !basic_get_args_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, 2);
ASR::symbol_t* arg1 = 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, type,
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, true));
fn_symtab->add_symbol(s2c(al, "x"), arg1);
args.push_back(al, ASRUtils::EXPR(ASR::make_Var_t(al, loc, arg1)));
ASR::symbol_t* arg2 = 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, type,
nullptr, ASR::abiType::BindC, ASR::Public, ASR::presenceType::Required, true));
fn_symtab->add_symbol(s2c(al, "y"), 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*> dependencies; dependencies.reserve(al, 1);
basic_get_args_sym = ASR::down_cast<ASR::symbol_t>(
ASRUtils::make_Function_t_util(al, loc, fn_symtab, s2c(al, fn_name),
dependencies.p, dependencies.n, args.p, args.n, body.p, body.n,
nullptr, 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_get_args_sym);
}

Vec<ASR::call_arg_t> call_args;
call_args.reserve(al, 2);
ASR::call_arg_t call_arg;
call_arg.loc = loc;
call_arg.m_value = x;
call_args.push_back(al, call_arg);
call_arg.m_value = y;
call_args.push_back(al, call_arg);
return ASRUtils::STMT(ASR::make_SubroutineCall_t(al, loc, basic_get_args_sym,
basic_get_args_sym, call_args.p, call_args.n, nullptr));
}
/********************************** Utils *********************************/

void visit_Function(const ASR::Function_t &x) {
Expand Down Expand Up @@ -559,7 +606,6 @@ 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* basic_get_args_sym = declare_basic_get_args_function(al, loc, module_scope);
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 @@ -584,18 +630,7 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
pass_result.push_back(al, stmt1);

// Statement 2
Vec<ASR::call_arg_t> call_args2;
call_args2.reserve(al, 2);
ASR::call_arg_t call_arg1, call_arg2;
call_arg1.loc = loc;
call_arg1.m_value = value1;
call_arg2.loc = loc;
call_arg2.m_value = args;
call_args2.push_back(al, call_arg1);
call_args2.push_back(al, call_arg2);
ASR::stmt_t* stmt2 = ASRUtils::STMT(ASR::make_SubroutineCall_t(al, loc, basic_get_args_sym,
basic_get_args_sym, call_args2.p, call_args2.n, nullptr));
pass_result.push_back(al, stmt2);
pass_result.push_back(al, basic_get_args(loc, value1, args));

// Statement 3
Vec<ASR::call_arg_t> call_args3;
Expand Down Expand Up @@ -798,45 +833,6 @@ class ReplaceSymbolicVisitor : public PassUtils::PassVisitor<ReplaceSymbolicVisi
return module_scope->get_symbol(name);
}

ASR::symbol_t* declare_basic_get_args_function(Allocator& al, const Location& loc, SymbolTable* module_scope) {
std::string name = "basic_get_args";
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, 2);
ASR::symbol_t* arg1 = 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"), arg1);
args.push_back(al, ASRUtils::EXPR(ASR::make_Var_t(al, loc, arg1)));
ASR::symbol_t* arg2 = 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"), 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::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,
nullptr, 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_new_function(Allocator& al, const Location& loc, SymbolTable* module_scope) {
std::string name = "vecbasic_new";
symbolic_dependencies.push_back(name);
Expand Down

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