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Temporary patch for lb_gen_map_header

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gingerBill
2022-09-21 11:36:14 +01:00
parent 380905618a
commit 5337413c56
1 changed files with 62 additions and 48 deletions
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src/llvm_backend.cpp
+22 -8
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@@ -500,17 +500,11 @@ lbValue lb_generate_anonymous_proc_lit(lbModule *m, String const &prefix_name, A
return value; return value;
} }
lbValue lb_gen_map_header(lbProcedure *p, lbValue map_val_ptr, Type *map_type) { lbAddr lb_gen_map_header_internal(lbProcedure *p, lbValue map_val_ptr, Type *map_type) {
GB_ASSERT_MSG(is_type_pointer(map_val_ptr.type), "%s", type_to_string(map_val_ptr.type));
map_type = base_type(map_type); map_type = base_type(map_type);
GB_ASSERT(map_type->kind == Type_Map); GB_ASSERT(map_type->kind == Type_Map);
lbAddr h = {}; lbAddr h = lb_add_local_generated(p, t_map_header, true); // all the values will be initialzed later
lbAddr *found = map_get(&p->map_header_cache, map_val_ptr.value);
if (found != nullptr) {
h = *found;
} else {
h = lb_add_local_generated(p, t_map_header, false); // all the values will be initialzed later
Type *key_type = map_type->Map.key; Type *key_type = map_type->Map.key;
Type *val_type = map_type->Map.value; Type *val_type = map_type->Map.value;
@@ -550,10 +544,30 @@ lbValue lb_gen_map_header(lbProcedure *p, lbValue map_val_ptr, Type *map_type) {
lbValue gep0 = lb_emit_struct_ep(p, h.addr, 0); lbValue gep0 = lb_emit_struct_ep(p, h.addr, 0);
lbValue m = lb_emit_conv(p, map_val_ptr, type_deref(gep0.type)); lbValue m = lb_emit_conv(p, map_val_ptr, type_deref(gep0.type));
lb_emit_store(p, gep0, m); lb_emit_store(p, gep0, m);
return h;
}
lbValue lb_gen_map_header(lbProcedure *p, lbValue map_val_ptr, Type *map_type) {
GB_ASSERT_MSG(is_type_pointer(map_val_ptr.type), "%s", type_to_string(map_val_ptr.type));
GB_ASSERT(is_type_map(map_type));
// TODO(bill): this is a temporary fix since this caching is not working other platforms
bool allow_caching = build_context.metrics.os == TargetOs_windows || is_arch_wasm();
lbAddr h = {};
if (!allow_caching) {
h = lb_gen_map_header_internal(p, map_val_ptr, map_type);
} else {
lbAddr *found = map_get(&p->map_header_cache, map_val_ptr.value);
if (found != nullptr) {
h = *found;
} else {
h = lb_gen_map_header_internal(p, map_val_ptr, map_type);
map_set(&p->map_header_cache, map_val_ptr.value, h); map_set(&p->map_header_cache, map_val_ptr.value, h);
} }
}
return lb_addr_load(p, h); return lb_addr_load(p, h);
} }