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| author | Eduard-Mihai Burtescu <edy.burt@gmail.com> | 2017-02-25 14:13:28 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-02-25 14:13:28 +0200 |
| commit | 5c0b4b369167060aa73368374d48a7de6c812376 (patch) | |
| tree | ca2af1e18df25368b90b2334c1dab4c16c0c3292 /src/test/incremental/thinlto | |
| parent | 0a950bdb3d39dc3ed12b9cfb06ba4deed1a96194 (diff) | |
| parent | d80cf80b16660289ebc9765940d02b36ef1032b6 (diff) | |
| download | rust-5c0b4b369167060aa73368374d48a7de6c812376.tar.gz rust-5c0b4b369167060aa73368374d48a7de6c812376.zip | |
Rollup merge of #39995 - Aatch:vtable-ptr-metadata, r=arielb1
Set metadata for vtable-related loads Give LLVM much more information about vtable pointers. Without the extra information, LLVM has to be rather pessimistic about vtables, preventing a number of obvious optimisations. * Makes the vtable pointer argument noalias and readonly. * Marks loads of the vtable pointer as nonnull. * Marks load from the vtable with `!invariant.load` metadata. Fixes #39992
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