3 Rust MIR: a lowered representation of Rust.
7 #![feature(assert_matches)]
8 #![feature(box_patterns)]
9 #![feature(control_flow_enum)]
10 #![feature(decl_macro)]
11 #![feature(exact_size_is_empty)]
12 #![feature(let_chains)]
13 #![feature(map_try_insert)]
14 #![feature(min_specialization)]
15 #![feature(slice_ptr_get)]
16 #![feature(option_get_or_insert_default)]
17 #![feature(never_type)]
18 #![feature(trait_alias)]
19 #![feature(trusted_len)]
20 #![feature(trusted_step)]
21 #![feature(try_blocks)]
22 #![feature(yeet_expr)]
23 #![feature(if_let_guard)]
24 #![feature(is_some_and)]
25 #![recursion_limit = "256"]
30 extern crate rustc_middle;
39 use rustc_middle::ty::query::Providers;
40 use rustc_target::abi::InitKind;
42 pub fn provide(providers: &mut Providers) {
43 const_eval::provide(providers);
44 providers.eval_to_const_value_raw = const_eval::eval_to_const_value_raw_provider;
45 providers.eval_to_allocation_raw = const_eval::eval_to_allocation_raw_provider;
46 providers.const_caller_location = const_eval::const_caller_location;
47 providers.eval_to_valtree = |tcx, param_env_and_value| {
48 let (param_env, raw) = param_env_and_value.into_parts();
49 const_eval::eval_to_valtree(tcx, param_env, raw)
51 providers.try_destructure_mir_constant = |tcx, param_env_and_value| {
52 let (param_env, value) = param_env_and_value.into_parts();
53 const_eval::try_destructure_mir_constant(tcx, param_env, value).ok()
55 providers.valtree_to_const_val = |tcx, (ty, valtree)| {
56 const_eval::valtree_to_const_value(tcx, ty::ParamEnv::empty().and(ty), valtree)
58 providers.deref_mir_constant = |tcx, param_env_and_value| {
59 let (param_env, value) = param_env_and_value.into_parts();
60 const_eval::deref_mir_constant(tcx, param_env, value)
62 providers.permits_uninit_init =
63 |tcx, ty| util::might_permit_raw_init(tcx, ty, InitKind::UninitMitigated0x01Fill);
64 providers.permits_zero_init = |tcx, ty| util::might_permit_raw_init(tcx, ty, InitKind::Zero);