Auto merge of #130950 - compiler-errors:yeet-eval, r=BoxyUwU
Continue to get rid of `ty::Const::{try_}eval*` This PR mostly does: * Removes all of the `try_eval_*` and `eval_*` helpers from `ty::Const`, and replace their usages with `try_to_*`. * Remove `ty::Const::eval`. * Rename `ty::Const::normalize` to `ty::Const::normalize_internal`. This function is still used in the normalization code itself. * Fix some weirdness around the `TransmuteFrom` goal. I'm happy to split it out further; for example, I could probably land the first part which removes the helpers, or the changes to codegen which are more obvious than the changes to tools. r? BoxyUwU Part of https://github.com/rust-lang/rust/issues/130704
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commit
f2ba41113d
58 changed files with 407 additions and 338 deletions
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@ -43,7 +43,7 @@ pub(crate) fn try_destructure_mir_constant_for_user_output<'tcx>(
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// We go to `usize` as we cannot allocate anything bigger anyway.
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let (field_count, variant, down) = match ty.kind() {
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ty::Array(_, len) => (len.eval_target_usize(tcx.tcx, param_env) as usize, None, op),
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ty::Array(_, len) => (len.try_to_target_usize(tcx.tcx)? as usize, None, op),
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ty::Adt(def, _) if def.variants().is_empty() => {
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return None;
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}
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@ -391,7 +391,9 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
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let ptr = self.read_pointer(src)?;
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let val = Immediate::new_slice(
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ptr,
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length.eval_target_usize(*self.tcx, self.param_env),
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length
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.try_to_target_usize(*self.tcx)
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.expect("expected monomorphic const in const eval"),
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self,
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);
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self.write_immediate(val, dest)
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