Delete SimplifyArmIdentity and SimplifyBranchSame mir opts
#107256
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Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt |
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@bors rollup=always |
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@cjgillot ci is good |
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@bors r=cjgillot |
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🌲 The tree is currently closed for pull requests below priority 10. This pull request will be tested once the tree is reopened. |
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matthiaskrgr
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Jan 25, 2023
Delete `SimplifyArmIdentity` and `SimplifyBranchSame` mir opts I had attempted to fix the first of these opts in rust-lang#94177 . However, despite that PR already being a full re-write, it still did not fix some of the core soundness issues. The optimizations that are attempted here are likely to be desirable, but I do not expect any of the currently written code to survive into a sound implementation. Deleting the code keeps us from having to maintain the passes in the meantime. Closes rust-lang#77359 , closes rust-lang#72800 , closes rust-lang#78628 r? `@cjgillot`
matthiaskrgr
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Jan 25, 2023
Delete `SimplifyArmIdentity` and `SimplifyBranchSame` mir opts I had attempted to fix the first of these opts in rust-lang#94177 . However, despite that PR already being a full re-write, it still did not fix some of the core soundness issues. The optimizations that are attempted here are likely to be desirable, but I do not expect any of the currently written code to survive into a sound implementation. Deleting the code keeps us from having to maintain the passes in the meantime. Closes rust-lang#77359 , closes rust-lang#72800 , closes rust-lang#78628 r? ``@cjgillot``
This was referenced Jan 25, 2023
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…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#105345 (Add hint for missing lifetime bound on trait object when type alias is used) - rust-lang#106897 (Tweak E0597) - rust-lang#106944 (Suggest using a lock for `*Cell: Sync` bounds) - rust-lang#107239 (Bring tests back into rustc source tarball) - rust-lang#107244 (rustdoc: rearrange HTML in primitive reference links) - rust-lang#107255 (add test where we ignore hr implied bounds) - rust-lang#107256 (Delete `SimplifyArmIdentity` and `SimplifyBranchSame` mir opts) - rust-lang#107266 (rustdoc: prohibit scroll bar on source viewer in Safari) - rust-lang#107282 (erica solver: implement builtin `Pointee` trait impl candidates) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Signed-off-by: Yuki Okushi <[email protected]>
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…hlin Delete `SimplifyArmIdentity` and `SimplifyBranchSame` tests These two passes have already been deleted in rust-lang#107256. I'm not sure why tidy didn't catch it. As regression tests, I didn't delete `tests/ui/mir/issue-66851.rs` and `tests/ui/mir/simplify-branch-same.rs`. r? compiler
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Jul 27, 2024
Rollup merge of rust-lang#128262 - DianQK:remove-unused-tests, r=saethlin Delete `SimplifyArmIdentity` and `SimplifyBranchSame` tests These two passes have already been deleted in rust-lang#107256. I'm not sure why tidy didn't catch it. As regression tests, I didn't delete `tests/ui/mir/issue-66851.rs` and `tests/ui/mir/simplify-branch-same.rs`. r? compiler
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I had attempted to fix the first of these opts in #94177 . However, despite that PR already being a full re-write, it still did not fix some of the core soundness issues. The optimizations that are attempted here are likely to be desirable, but I do not expect any of the currently written code to survive into a sound implementation. Deleting the code keeps us from having to maintain the passes in the meantime.
Closes #77359 , closes #72800 , closes #78628
r? @cjgillot