bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Dejargnonize subst

Browse source
This commit is contained in:
Shoyu Vanilla 2024-02-12 15:39:32 +09:00
parent 084ce5bdb5
commit 3856df059e
128 changed files with 574 additions and 541 deletions
Download patch file Download diff file Expand all files Collapse all files

8
compiler/rustc_monomorphize/src/collector.rs
View file

@ -62,7 +62,7 @@
//! syntactic items in the source code. We find them by walking the HIR of the
//! crate, and whenever we hit upon a public function, method, or static item,
//! we create a mono item consisting of the items DefId and, since we only
//! consider non-generic items, an empty type-substitution set. (In eager
//! consider non-generic items, an empty type-parameters set. (In eager
//! collection mode, during incremental compilation, all non-generic functions
//! are considered as roots, as well as when the `-Clink-dead-code` option is
//! specified. Functions marked `#[no_mangle]` and functions called by inlinable
@ -1383,11 +1383,11 @@ fn create_mono_items_for_default_impls<'tcx>(
// items, we never actually check that the predicates of this impl are satisfied
// in a empty reveal-all param env (i.e. with no assumptions).
//
// Even though this impl has no type or const substitutions, because we don't
// Even though this impl has no type or const generic parameters, because we don't
// consider higher-ranked predicates such as `for<'a> &'a mut [u8]: Copy` to
// be trivially false. We must now check that the impl has no impossible-to-satisfy
// predicates.
if tcx.subst_and_check_impossible_predicates((item.owner_id.to_def_id(), impl_args)) {
if tcx.instantiate_and_check_impossible_predicates((item.owner_id.to_def_id(), impl_args)) {
return;
}
@ -1404,7 +1404,7 @@ fn create_mono_items_for_default_impls<'tcx>(
}
// As mentioned above, the method is legal to eagerly instantiate if it
// only has lifetime substitutions. This is validated by
// only has lifetime generic parameters. This is validated by
let args = trait_ref.args.extend_to(tcx, method.def_id, only_region_params);
let instance = ty::Instance::expect_resolve(tcx, param_env, method.def_id, args);

2
compiler/rustc_monomorphize/src/polymorphize.rs
View file

@ -90,7 +90,7 @@ fn should_polymorphize<'tcx>(
def_id: DefId,
instance: ty::InstanceDef<'tcx>,
) -> bool {
// If an instance's MIR body is not polymorphic then the modified substitutions that are
// If an instance's MIR body is not polymorphic then the modified generic parameters that are
// derived from polymorphization's result won't make any difference.
if !instance.has_polymorphic_mir_body() {
return false;