Make simd_shuffle_indices use valtrees #112718
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Some changes occurred in src/tools/clippy cc @rust-lang/clippy Some changes occurred to the CTFE / Miri engine cc @rust-lang/miri |
RalfJung
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Jun 17, 2023
cjgillot
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Jun 24, 2023
| let val = cx.tcx.destructure_mir_constant(cx.param_env, val); | ||
| val.fields.iter().any(|field| inner(cx, *field)) | ||
| ty::Array(ty, _) => { | ||
| val.unwrap_branch().iter().any(|field| inner(cx, *field, ty)) |
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I don't know enough of valtrees. Is there code which emits an error if this is not a branch?
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The compiler created a bad valtree if a valtree of array type is not a branch. So we don't report an error, but we never get a Some from eval_const_to_valtree
| .destructure_mir_constant(ty::ParamEnv::reveal_all(), c) | ||
| .fields | ||
| let values: Vec<_> = val | ||
| .unwrap_branch() |
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Which code emits an error if this is not a branch?
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☔ The latest upstream changes (presumably #113022) made this pull request unmergeable. Please resolve the merge conflicts. |
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@rustbot ready |
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@bors r+ |
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…, r=cjgillot Make simd_shuffle_indices use valtrees This removes the second-to-last user of the `destructure_mir_constant` query. So in a follow-up we can remove the query and just move the query provider function directly into pretty printing (which is the last user). cc `@rust-lang/clippy` there's a small functional change, but I think it is correct?
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…, r=cjgillot Make simd_shuffle_indices use valtrees This removes the second-to-last user of the `destructure_mir_constant` query. So in a follow-up we can remove the query and just move the query provider function directly into pretty printing (which is the last user). cc ``@rust-lang/clippy`` there's a small functional change, but I think it is correct?
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⌛ Testing commit 1c992c0 with merge 642527ae563c8e8a5b38ee984d1b8b24dde92faa... |
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⌛ Testing commit 1c992c0 with merge bfb2944298bd7549a8d905036a59c09dc69525f7... |
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☀️ Test successful - checks-actions |
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Finished benchmarking commit (72b2101): comparison URL. Overall result: ✅ improvements - no action needed@rustbot label: -perf-regression Instruction countThis is a highly reliable metric that was used to determine the overall result at the top of this comment.
Max RSS (memory usage)ResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
CyclesResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
Binary sizeThis benchmark run did not return any relevant results for this metric. Bootstrap: 662.143s -> 662.283s (0.02%) |
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…r=cjgillot Make simd_shuffle_indices use valtrees This removes the second-to-last user of the `destructure_mir_constant` query. So in a follow-up we can remove the query and just move the query provider function directly into pretty printing (which is the last user). cc `@rust-lang/clippy` there's a small functional change, but I think it is correct?
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This removes the second-to-last user of the
destructure_mir_constantquery. So in a follow-up we can remove the query and just move the query provider function directly into pretty printing (which is the last user).cc @rust-lang/clippy there's a small functional change, but I think it is correct?