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authorbors <bors@rust-lang.org>2024-05-30 14:27:46 +0000
committerbors <bors@rust-lang.org>2024-05-30 14:27:46 +0000
commitcfb730450f847bb622243eaaab15e77e58d91767 (patch)
tree3cfa9be504e56dcbcbefef2bc0a332f22685aa71 /compiler/rustc_parse/src
parent91c0823ee63e793d990bb9fed898dc95b5d6db51 (diff)
parent5fa0ec6ad17cd002e9359345bbeae4601c03fd53 (diff)
downloadrust-cfb730450f847bb622243eaaab15e77e58d91767.tar.gz
rust-cfb730450f847bb622243eaaab15e77e58d91767.zip
Auto merge of #115105 - cjgillot:dest-prop-default, r=oli-obk
Enable DestinationPropagation by default.

~~Based on https://github.com/rust-lang/rust/pull/115291.~~

This PR proposes to enable the destination propagation pass by default.
This pass is meant to reduce the amount of copies present in MIR.

At the same time, this PR removes the `RenameReturnPlace` pass, as it is currently unsound.
`DestinationPropagation` is not limited to `_0`, but does not handle borrowed locals.
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