Test that bounds checks are elided for [..index] after .position() #75886
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| (rust_highfive has picked a reviewer for you, use r? to override) |
rust-highfive added the S-waiting-on-review 
| This LLVM 11 has improved the performance of my Rust code significantly :-) Biggest jump since years. I don't know why yet. And investigating the causes isn't easy. |
| Can you extend the tests for |
tesuji reviewed Aug 25, 2020
| I would like to see this changed to min-llvm-version: 11.0.0, as per the comment, and commits squashed. It might be good to also test that rposition() likewise optimizes, which it seems to on LLVM 11. |
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erikdesjardins force-pushed the index branch from ced2250 to 0f1d25e Compare 
| @rustbot modify labels: -S-waiting-on-author, +S-waiting-on-review |
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| @bors r+ rollup |
| 📌 Commit 0f1d25e has been approved by |
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bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 16, 2020
Rollup of 10 pull requests Successful merges: - rust-lang#73955 (deny(unsafe_op_in_unsafe_fn) in libstd/process.rs) - rust-lang#75146 (Detect overflow in proc_macro_server subspan) - rust-lang#75304 (Note when a a move/borrow error is caused by a deref coercion) - rust-lang#75749 (Consolidate some duplicate code in the sys modules.) - rust-lang#75882 (Use translated variable for test string) - rust-lang#75886 (Test that bounds checks are elided for [..index] after .position()) - rust-lang#76048 (Initial support for riscv32gc_unknown_linux_gnu) - rust-lang#76198 (Make some Ordering methods const) - rust-lang#76689 (Upgrade to pulldown-cmark 0.8.0) - rust-lang#76763 (Update cargo) Failed merges: r? `@ghost`
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Closes #73396.
This was fixed by the LLVM 11 update in #73526.