bjoernager/rust
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Move MirPass to rustc_mir_transform.

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Because that's now the only crate that uses it.

Moving stuff out of `rustc_middle` is always welcome.

I chose to use `impl crate::MirPass`/`impl crate::MirLint` (with
explicit `crate::`) everywhere because that's the only mention of
`MirPass`/`MirLint` used in all of these files. (Prior to this change,
`MirPass` was mostly imported via `use rustc_middle::mir::*` items.)
This commit is contained in:
Nicholas Nethercote 2024-09-03 15:45:27 +10:00
parent 5410900aaa
commit 2aae619edb
58 changed files with 143 additions and 162 deletions
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4
compiler/rustc_mir_transform/src/nrvo.rs
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@ -8,8 +8,6 @@ use rustc_middle::mir::{self, BasicBlock, Local, Location};
use rustc_middle::ty::TyCtxt;
use tracing::{debug, trace};
use crate::MirPass;
/// This pass looks for MIR that always copies the same local into the return place and eliminates
/// the copy by renaming all uses of that local to `_0`.
///
@ -34,7 +32,7 @@ use crate::MirPass;
/// [#71003]: https://github.com/rust-lang/rust/pull/71003
pub struct RenameReturnPlace;
impl<'tcx> MirPass<'tcx> for RenameReturnPlace {
impl<'tcx> crate::MirPass<'tcx> for RenameReturnPlace {
fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
// unsound: #111005
sess.mir_opt_level() > 0 && sess.opts.unstable_opts.unsound_mir_opts