Replace a match
with an if let
Seems like a better fit here and saves one level of indentation.
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parent
835150e702
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@ -16,32 +16,29 @@ impl<'tcx> MirPass<'tcx> for RemoveZsts {
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let (basic_blocks, local_decls) = body.basic_blocks_and_local_decls_mut();
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for block in basic_blocks.iter_mut() {
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for statement in block.statements.iter_mut() {
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match statement.kind {
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StatementKind::Assign(box (place, _)) => {
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let place_ty = place.ty(local_decls, tcx).ty;
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if !maybe_zst(place_ty) {
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continue;
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}
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let layout = match tcx.layout_of(param_env.and(place_ty)) {
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Ok(layout) => layout,
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Err(_) => continue,
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};
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if !layout.is_zst() {
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continue;
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}
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if involves_a_union(place, local_decls, tcx) {
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continue;
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}
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if tcx.consider_optimizing(|| {
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format!(
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"RemoveZsts - Place: {:?} SourceInfo: {:?}",
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place, statement.source_info
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)
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}) {
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statement.make_nop();
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}
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if let StatementKind::Assign(box (place, _)) = statement.kind {
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let place_ty = place.ty(local_decls, tcx).ty;
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if !maybe_zst(place_ty) {
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continue;
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}
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let layout = match tcx.layout_of(param_env.and(place_ty)) {
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Ok(layout) => layout,
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Err(_) => continue,
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};
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if !layout.is_zst() {
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continue;
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}
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if involves_a_union(place, local_decls, tcx) {
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continue;
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}
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if tcx.consider_optimizing(|| {
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format!(
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"RemoveZsts - Place: {:?} SourceInfo: {:?}",
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place, statement.source_info
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)
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}) {
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statement.make_nop();
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}
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_ => {}
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}
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}
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}
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