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Use memcpy for local constant slice arrays from a global constant

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gingerBill
2025-09-28 22:50:36 +01:00
parent 17c9e1d76b
commit cbab97fbd7
3 changed files with 30 additions and 195 deletions
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18
src/llvm_backend_expr.cpp
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@@ -2495,13 +2495,6 @@ gb_internal lbValue lb_emit_conv(lbProcedure *p, lbValue value, Type *t) {
Type *vt = dst->Union.variants[0];
if (internal_check_is_assignable_to(src_type, vt)) {
value = lb_emit_conv(p, value, vt);
if (lb_is_const(value)) {
LLVMValueRef res = lb_construct_const_union(m, value.value, vt, t);
if (res != nullptr) {
return {res, t};
}
}
lbAddr parent = lb_add_local_generated(p, t, true);
lb_emit_store_union_variant(p, parent.addr, value, vt);
return lb_addr_load(p, parent);
@@ -2509,19 +2502,11 @@ gb_internal lbValue lb_emit_conv(lbProcedure *p, lbValue value, Type *t) {
}
for (Type *vt : dst->Union.variants) {
if (src_type == t_llvm_bool && is_type_boolean(vt)) {
value = lb_emit_conv(p, value, vt);
if (lb_try_construct_const_union(m, &value, vt, t)) {
return value;
}
lbAddr parent = lb_add_local_generated(p, t, true);
lb_emit_store_union_variant(p, parent.addr, value, vt);
return lb_addr_load(p, parent);
}
if (are_types_identical(src_type, vt)) {
if (lb_try_construct_const_union(m, &value, vt, t)) {
return value;
}
lbAddr parent = lb_add_local_generated(p, t, true);
lb_emit_store_union_variant(p, parent.addr, value, vt);
return lb_addr_load(p, parent);
@@ -2559,9 +2544,6 @@ gb_internal lbValue lb_emit_conv(lbProcedure *p, lbValue value, Type *t) {
if (valid_count == 1) {
Type *vt = dst->Union.variants[first_success_index];
value = lb_emit_conv(p, value, vt);
if (lb_try_construct_const_union(m, &value, vt, t)) {
return value;
}
lbAddr parent = lb_add_local_generated(p, t, true);
lb_emit_store_union_variant(p, parent.addr, value, vt);
return lb_addr_load(p, parent);