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885bf62887
InstCombine away intrinsic validity assertions This optimization (currently) fires 246 times on the standard library. It seems to fire hardly at all on the big crates in the benchmark suite. Interesting.
70 lines
2.3 KiB
Rust
70 lines
2.3 KiB
Rust
/*!
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Rust MIR: a lowered representation of Rust.
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*/
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#![feature(assert_matches)]
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#![feature(box_patterns)]
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#![feature(decl_macro)]
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#![feature(exact_size_is_empty)]
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#![feature(let_chains)]
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#![feature(map_try_insert)]
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#![feature(min_specialization)]
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#![feature(slice_ptr_get)]
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#![feature(option_get_or_insert_default)]
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#![feature(never_type)]
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#![feature(trait_alias)]
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#![feature(trusted_len)]
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#![feature(trusted_step)]
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#![feature(try_blocks)]
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#![feature(yeet_expr)]
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#![feature(if_let_guard)]
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#![feature(is_some_and)]
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#![recursion_limit = "256"]
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#[macro_use]
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extern crate tracing;
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#[macro_use]
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extern crate rustc_middle;
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pub mod const_eval;
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mod errors;
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pub mod interpret;
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pub mod transform;
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pub mod util;
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use rustc_middle::ty;
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use rustc_middle::ty::query::Providers;
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use rustc_target::abi::InitKind;
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pub fn provide(providers: &mut Providers) {
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const_eval::provide(providers);
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providers.eval_to_const_value_raw = const_eval::eval_to_const_value_raw_provider;
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providers.eval_to_allocation_raw = const_eval::eval_to_allocation_raw_provider;
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providers.const_caller_location = const_eval::const_caller_location;
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providers.eval_to_valtree = |tcx, param_env_and_value| {
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let (param_env, raw) = param_env_and_value.into_parts();
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const_eval::eval_to_valtree(tcx, param_env, raw)
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};
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providers.try_destructure_mir_constant = |tcx, param_env_and_value| {
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let (param_env, value) = param_env_and_value.into_parts();
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const_eval::try_destructure_mir_constant(tcx, param_env, value).ok()
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};
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providers.valtree_to_const_val = |tcx, (ty, valtree)| {
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const_eval::valtree_to_const_value(tcx, ty::ParamEnv::empty().and(ty), valtree)
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};
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providers.deref_mir_constant = |tcx, param_env_and_value| {
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let (param_env, value) = param_env_and_value.into_parts();
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const_eval::deref_mir_constant(tcx, param_env, value)
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};
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providers.permits_uninit_init = |tcx, param_env_and_ty| {
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let (param_env, ty) = param_env_and_ty.into_parts();
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util::might_permit_raw_init(tcx, param_env, ty, InitKind::UninitMitigated0x01Fill)
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};
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providers.permits_zero_init = |tcx, param_env_and_ty| {
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let (param_env, ty) = param_env_and_ty.into_parts();
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util::might_permit_raw_init(tcx, param_env, ty, InitKind::Zero)
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};
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}
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