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implement (as of now still unused) query for valtree -> constvalue conversion

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This commit is contained in:
b-naber 2022-04-21 16:37:24 +02:00
parent 1157dc7167
commit 28af967bb9
3 changed files with 20 additions and 0 deletions
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4
compiler/rustc_const_eval/src/lib.rs
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@ -35,6 +35,7 @@ pub mod transform;
pub mod util;
use rustc_middle::ty::query::Providers;
use rustc_middle::ty::ParamEnv;
pub fn provide(providers: &mut Providers) {
const_eval::provide(providers);
@ -49,6 +50,9 @@ pub fn provide(providers: &mut Providers) {
let (param_env, raw) = param_env_and_value.into_parts();
const_eval::const_to_valtree(tcx, param_env, raw)
};
providers.valtree_to_const_val = |tcx, (ty, valtree)| {
const_eval::valtree_to_const_value(tcx, ParamEnv::empty().and(ty), valtree)
};
providers.deref_const = |tcx, param_env_and_value| {
let (param_env, value) = param_env_and_value.into_parts();
const_eval::deref_const(tcx, param_env, value)