bjoernager/rust
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Lower the assume intrinsic to a MIR statement

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This commit is contained in:
Oli Scherer 2022-06-30 08:16:05 +00:00
parent 3c72788461
commit 3f07645120
33 changed files with 212 additions and 30 deletions
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19
compiler/rustc_borrowck/src/invalidation.rs
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@ -72,14 +72,14 @@ impl<'cx, 'tcx> Visitor<'tcx> for InvalidationGenerator<'cx, 'tcx> {
self.consume_operand(location, dst);
self.consume_operand(location, count);
}
StatementKind::Nop
// Only relevant for mir typeck
StatementKind::AscribeUserType(..)
// Doesn't have any language semantics
| StatementKind::Coverage(..)
| StatementKind::AscribeUserType(..)
| StatementKind::Retag { .. }
| StatementKind::StorageLive(..) => {
// `Nop`, `AscribeUserType`, `Retag`, and `StorageLive` are irrelevant
// to borrow check.
}
// Takes a `bool` argument, and has no return value, thus being irrelevant for borrowck
| StatementKind::Assume(..)
// Does not actually affect borrowck
| StatementKind::StorageLive(..) => {}
StatementKind::StorageDead(local) => {
self.access_place(
location,
@ -88,7 +88,10 @@ impl<'cx, 'tcx> Visitor<'tcx> for InvalidationGenerator<'cx, 'tcx> {
LocalMutationIsAllowed::Yes,
);
}
StatementKind::Deinit(..) | StatementKind::SetDiscriminant { .. } => {
StatementKind::Nop
| StatementKind::Retag { .. }
| StatementKind::Deinit(..)
| StatementKind::SetDiscriminant { .. } => {
bug!("Statement not allowed in this MIR phase")
}
}