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Rollup merge of #88933 - tmiasko:remove-min-align-of, r=oli-obk

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Remove implementation of `min_align_of` intrinsic

Since #88839 `min_align_of` is lowered to AlignOf operator.
This commit is contained in:
Manish Goregaokar 2021-09-15 14:57:03 -07:00 committed by GitHub
commit d11ee806a4
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1 changed files with 2 additions and 7 deletions
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9
compiler/rustc_const_eval/src/interpret/intrinsics.rs
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@ -62,15 +62,10 @@ crate fn eval_nullary_intrinsic<'tcx>(
ensure_monomorphic_enough(tcx, tp_ty)?;
ConstValue::from_bool(tp_ty.needs_drop(tcx, param_env))
}
sym::min_align_of | sym::pref_align_of => {
sym::pref_align_of => {
// Correctly handles non-monomorphic calls, so there is no need for ensure_monomorphic_enough.
let layout = tcx.layout_of(param_env.and(tp_ty)).map_err(|e| err_inval!(Layout(e)))?;
let n = match name {
sym::pref_align_of => layout.align.pref.bytes(),
sym::min_align_of => layout.align.abi.bytes(),
_ => bug!(),
};
ConstValue::from_machine_usize(n, &tcx)
ConstValue::from_machine_usize(layout.align.pref.bytes(), &tcx)
}
sym::type_id => {
ensure_monomorphic_enough(tcx, tp_ty)?;