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| author | Dylan DPC <dylan.dpc@gmail.com> | 2020-05-04 16:15:28 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-04 16:15:28 +0200 |
| commit | d47ec165826acd95893c5e76e506be3d22188c99 (patch) | |
| tree | 47bd6d45e6cec9be5f2c83e78156e52d3744f583 /src/libcore/array | |
| parent | 679431f7419e5fe2644a008092f00ccd36779dfb (diff) | |
| parent | d0dea9f5887c8371279b0b07ce0380f060ca1e99 (diff) | |
| download | rust-d47ec165826acd95893c5e76e506be3d22188c99.tar.gz rust-d47ec165826acd95893c5e76e506be3d22188c99.zip | |
Rollup merge of #71697 - felix91gr:new_prop_into_fn_call, r=wesleywiser
Added MIR constant propagation of Scalars into function call arguments Now for the function call arguments! Caveats: 1. It's only being enabled at `mir-opt-2` or higher, because currently codegen gives performance regressions with this optimization. 2. Only propagates Scalars. Tuples and references (references are `Indirect`, right??) are not being propagated into as of this PR. 3. Maybe more tests would be nice? 4. I need (shamefully) to ask @wesleywiser to write in his words (or explain to me, and then I can write it down) why we want to ignore propagation into `ScalarPairs` and `Indirect` arguments. r? @wesleywiser
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