nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-22 23:04:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

Deduplicate tcx.instance_mir(instance) calls in try_instance_mir

Browse Source
This commit is contained in:
zetanumbers 2024-02-08 15:42:41 +03:00
parent af88f7db51
commit da4ec6ffa7
1 changed files with 10 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
compiler/rustc_mir_transform/src/inline.rs
View File

@ -1027,21 +1027,16 @@ fn try_instance_mir<'tcx>(
tcx: TyCtxt<'tcx>,
instance: InstanceDef<'tcx>,
) -> Result<&'tcx Body<'tcx>, &'static str> {
match instance {
ty::InstanceDef::DropGlue(_, Some(ty)) => match ty.kind() {
ty::Adt(def, args) => {
let fields = def.all_fields();
for field in fields {
let field_ty = field.ty(tcx, args);
if field_ty.has_param() && field_ty.has_projections() {
return Err("cannot build drop shim for polymorphic type");
}
}
Ok(tcx.instance_mir(instance))
if let ty::InstanceDef::DropGlue(_, Some(ty)) = instance
&& let ty::Adt(def, args) = ty.kind()
{
let fields = def.all_fields();
for field in fields {
let field_ty = field.ty(tcx, args);
if field_ty.has_param() && field_ty.has_projections() {
return Err("cannot build drop shim for polymorphic type");
}
_ => Ok(tcx.instance_mir(instance)),
},
_ => Ok(tcx.instance_mir(instance)),
}
}
Ok(tcx.instance_mir(instance))
}