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Reorder passes.

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This commit is contained in:
Camille GILLOT 2023-07-22 15:34:54 +00:00
parent 31bc7e2c47
commit ed27cb0f49
7 changed files with 68 additions and 42 deletions
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7
compiler/rustc_mir_transform/src/lib.rs
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@ -568,10 +568,11 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
&[
&check_alignment::CheckAlignment,
&lower_slice_len::LowerSliceLenCalls, // has to be done before inlining, otherwise actual call will be almost always inlined. Also simple, so can just do first
&unreachable_prop::UnreachablePropagation,
&uninhabited_enum_branching::UninhabitedEnumBranching,
&o1(simplify::SimplifyCfg::AfterUninhabitedEnumBranching),
&inline::Inline,
// Substitutions during inlining may introduce switch on enums with uninhabited branches.
&uninhabited_enum_branching::UninhabitedEnumBranching,
&unreachable_prop::UnreachablePropagation,
&o1(simplify::SimplifyCfg::AfterUninhabitedEnumBranching),
&remove_storage_markers::RemoveStorageMarkers,
&remove_zsts::RemoveZsts,
&normalize_array_len::NormalizeArrayLen, // has to run after `slice::len` lowering