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Reuse the slice value too for variadic parameters (LLVM >= 13)

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gingerBill
2024-07-14 14:07:36 +01:00
parent 6959554040
commit 2e0c5fefde
1 changed files with 11 additions and 0 deletions
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src/llvm_backend_proc.cpp
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@@ -3469,7 +3469,18 @@ gb_internal lbValue lb_build_call_expr_internal(lbProcedure *p, Ast *expr) {
if (d != nullptr && slice.addr.value == nullptr) { if (d != nullptr && slice.addr.value == nullptr) {
for (auto const &vr : d->variadic_reuses) { for (auto const &vr : d->variadic_reuses) {
if (are_types_identical(vr.slice_type, slice_type)) { if (are_types_identical(vr.slice_type, slice_type)) {
#if LLVM_VERSION_MAJOR >= 13
// NOTE(bill): No point wasting even more memory, just reuse this stack variable too
if (p->variadic_reuses.count > 0) {
slice = p->variadic_reuses[0].slice_addr;
} else {
slice = lb_add_local_generated(p, slice_type, true);
}
// NOTE(bill): Change the underlying type to match the specific type
slice.addr.type = alloc_type_pointer(slice_type);
#else
slice = lb_add_local_generated(p, slice_type, true); slice = lb_add_local_generated(p, slice_type, true);
#endif
array_add(&p->variadic_reuses, lbVariadicReuseSlices{slice_type, slice}); array_add(&p->variadic_reuses, lbVariadicReuseSlices{slice_type, slice});
break; break;
} }