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Auto merge of #122225 - DianQK:nits-120268, r=cjgillot

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Rename `UninhabitedEnumBranching` to `UnreachableEnumBranching`

Per [#120268](https://github.com/rust-lang/rust/pull/120268#discussion_r1517492060), I rename `UninhabitedEnumBranching` to `UnreachableEnumBranching` .

I solved some nits to add some comments.

I adjusted the workaround restrictions. This should be useful for `a <= b` and `if let Some/Ok(v)`. For enum with few variants, `early-tailduplication` should not cause compile time overhead.

r? RalfJung
This commit is contained in:
bors 2024-04-03 06:22:23 +00:00
commit 76cf07d5df
33 changed files with 256 additions and 166 deletions
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6
compiler/rustc_mir_transform/src/simplify.rs
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@ -44,7 +44,7 @@ pub enum SimplifyCfg {
PreOptimizations,
Final,
MakeShim,
AfterUninhabitedEnumBranching,
AfterUnreachableEnumBranching,
}
impl SimplifyCfg {
@ -57,8 +57,8 @@ impl SimplifyCfg {
SimplifyCfg::PreOptimizations => "SimplifyCfg-pre-optimizations",
SimplifyCfg::Final => "SimplifyCfg-final",
SimplifyCfg::MakeShim => "SimplifyCfg-make_shim",
SimplifyCfg::AfterUninhabitedEnumBranching => {
"SimplifyCfg-after-uninhabited-enum-branching"
SimplifyCfg::AfterUnreachableEnumBranching => {
"SimplifyCfg-after-unreachable-enum-branching"
}
}
}