Adapt SROA MIR opt for aggregated MIR #107687
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r? @eholk (rustbot has picked a reviewer for you, use r? to override) |
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Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt |
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Feb 6, 2023
| ) { | ||
| if lvalue.as_local().is_some() { | ||
| match rvalue { | ||
| // Aggregate assignments are expanded in run_pass. |
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| // Aggregate assignments are expanded in run_pass. | |
| // `replace_flattened_locals` will expand those statements into fields, | |
| // so we do not mark the lhs as non-splittable. |
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I feel more motivated to try to land some of my unpublished branches for MirPatch improvements, but the PR looks good @bors r+ |
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Rollup of 5 pull requests Successful merges: - rust-lang#107553 (Suggest std::ptr::null if literal 0 is given to a raw pointer function argument) - rust-lang#107580 (Recover from lifetimes with default lifetimes in generic args) - rust-lang#107669 (rustdoc: combine duplicate rules in ayu CSS) - rust-lang#107685 (Suggest adding a return type for async functions) - rust-lang#107687 (Adapt SROA MIR opt for aggregated MIR) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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The pass was broken by #107267.
This PR extends it to replace:
by assignment between locals
The improved pass runs to fixpoint, so we can flatten nested field accesses.