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Refactoring of lbFunctionType retrieval

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This commit is contained in:
gingerBill
2021-05-24 22:16:22 +01:00
parent 3f156bcb4b
commit 284a2631fd
1 changed files with 26 additions and 15 deletions
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41
src/llvm_backend.cpp
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@@ -1584,6 +1584,18 @@ LLVMTypeRef lb_type(lbModule *m, Type *type) {
return llvm_type;
}
lbFunctionType *lb_get_function_type(lbModule *m, lbProcedure *p, Type *pt) {
lbFunctionType **ft_found = nullptr;
ft_found = map_get(&m->function_type_map, hash_type(pt));
if (!ft_found) {
LLVMTypeRef llvm_proc_type = lb_type(p->module, pt);
ft_found = map_get(&m->function_type_map, hash_type(pt));
}
GB_ASSERT(ft_found != nullptr);
return *ft_found;
}
LLVMMetadataRef lb_get_llvm_metadata(lbModule *m, void *key) {
if (key == nullptr) {
@@ -4943,6 +4955,14 @@ void lb_reset_copy_elision_hint(lbProcedure *p, lbCopyElisionHint prev_hint) {
p->copy_elision_hint = prev_hint;
}
lbValue lb_consume_copy_elision_hint(lbProcedure *p) {
lbValue return_ptr = p->copy_elision_hint.ptr;
p->copy_elision_hint.used = true;
p->copy_elision_hint.ptr = {};
p->copy_elision_hint.ast = nullptr;
return return_ptr;
}
void lb_build_static_variables(lbProcedure *p, AstValueDecl *vd) {
for_array(i, vd->names) {
lbValue value = {};
@@ -5052,6 +5072,9 @@ void lb_build_return_stmt(lbProcedure *p, AstReturnStmt *rs) {
isize return_count = p->type->Proc.result_count;
isize res_count = rs->results.count;
lbFunctionType *ft = lb_get_function_type(p->module, p, p->type);
bool return_by_pointer = ft->ret.kind == lbArg_Indirect;
if (return_count == 0) {
// No return values
@@ -5139,7 +5162,7 @@ void lb_build_return_stmt(lbProcedure *p, AstReturnStmt *rs) {
lb_ensure_abi_function_type(p->module, p);
if (p->abi_function_type->ret.kind == lbArg_Indirect) {
if (return_by_pointer) {
if (res.value != nullptr) {
LLVMBuildStore(p->builder, res.value, p->return_ptr.addr.value);
} else {
@@ -8459,15 +8482,7 @@ lbValue lb_emit_call(lbProcedure *p, lbValue value, Array<lbValue> const &args,
auto processed_args = array_make<lbValue>(permanent_allocator(), 0, args.count);
{
lbFunctionType **ft_found = nullptr;
ft_found = map_get(&m->function_type_map, hash_type(pt));
if (!ft_found) {
LLVMTypeRef llvm_proc_type = lb_type(p->module, pt);
ft_found = map_get(&m->function_type_map, hash_type(pt));
}
GB_ASSERT(ft_found != nullptr);
lbFunctionType *ft = *ft_found;
lbFunctionType *ft = lb_get_function_type(m, p, pt);
bool return_by_pointer = ft->ret.kind == lbArg_Indirect;
unsigned param_index = 0;
@@ -8531,11 +8546,7 @@ lbValue lb_emit_call(lbProcedure *p, lbValue value, Array<lbValue> const &args,
lbValue return_ptr = {};
if (use_copy_elision_hint && p->copy_elision_hint.ptr.value != nullptr) {
if (are_types_identical(type_deref(p->copy_elision_hint.ptr.type), rt)) {
return_ptr = p->copy_elision_hint.ptr;
p->copy_elision_hint.used = true;
// consume it
p->copy_elision_hint.ptr = {};
p->copy_elision_hint.ast = nullptr;
return_ptr = lb_consume_copy_elision_hint(p);
}
}
if (return_ptr.value == nullptr) {