bjoernager/rust
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Add simple async drop glue generation

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Explainer: https://zetanumbers.github.io/book/async-drop-design.html

https://github.com/rust-lang/rust/pull/121801
This commit is contained in:
zetanumbers 2024-02-13 12:31:41 +03:00 • committed by Daria Sukhonina
parent 1dea922ea6
commit 24a24ec6ba
40 changed files with 1921 additions and 20 deletions
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5
compiler/rustc_mir_transform/src/shim.rs
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@ -22,6 +22,8 @@ use crate::{
use rustc_middle::mir::patch::MirPatch;
use rustc_mir_dataflow::elaborate_drops::{self, DropElaborator, DropFlagMode, DropStyle};
mod async_destructor_ctor;
pub fn provide(providers: &mut Providers) {
providers.mir_shims = make_shim;
}
@ -127,6 +129,9 @@ fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceDef<'tcx>) -> Body<'
ty::InstanceDef::ThreadLocalShim(..) => build_thread_local_shim(tcx, instance),
ty::InstanceDef::CloneShim(def_id, ty) => build_clone_shim(tcx, def_id, ty),
ty::InstanceDef::FnPtrAddrShim(def_id, ty) => build_fn_ptr_addr_shim(tcx, def_id, ty),
ty::InstanceDef::AsyncDropGlueCtorShim(def_id, ty) => {
async_destructor_ctor::build_async_destructor_ctor_shim(tcx, def_id, ty)
}
ty::InstanceDef::Virtual(..) => {
bug!("InstanceDef::Virtual ({:?}) is for direct calls only", instance)
}