bjoernager/rust
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Generalize the Assume intrinsic statement to a general Intrinsic statement

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This commit is contained in:
Oli Scherer 2022-07-12 10:05:00 +00:00
parent 3f07645120
commit b7413511dc
28 changed files with 166 additions and 143 deletions
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14
compiler/rustc_borrowck/src/lib.rs
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@ -26,8 +26,8 @@ use rustc_index::bit_set::ChunkedBitSet;
use rustc_index::vec::IndexVec;
use rustc_infer::infer::{DefiningAnchor, InferCtxt, TyCtxtInferExt};
use rustc_middle::mir::{
traversal, Body, ClearCrossCrate, Local, Location, Mutability, Operand, Place, PlaceElem,
PlaceRef, VarDebugInfoContents,
traversal, Body, ClearCrossCrate, Local, Location, Mutability, NonDivergingIntrinsic, Operand,
Place, PlaceElem, PlaceRef, VarDebugInfoContents,
};
use rustc_middle::mir::{AggregateKind, BasicBlock, BorrowCheckResult, BorrowKind};
use rustc_middle::mir::{Field, ProjectionElem, Promoted, Rvalue, Statement, StatementKind};
@ -591,10 +591,10 @@ impl<'cx, 'tcx> rustc_mir_dataflow::ResultsVisitor<'cx, 'tcx> for MirBorrowckCtx
flow_state,
);
}
StatementKind::CopyNonOverlapping(box rustc_middle::mir::CopyNonOverlapping {
..
}) => {
span_bug!(
StatementKind::Intrinsic(box ref kind) => match kind {
// Takes a `bool` argument, and has no return value, thus being irrelevant for borrowck
NonDivergingIntrinsic::Assume(..) => {},
NonDivergingIntrinsic::CopyNonOverlapping(..) => span_bug!(
span,
"Unexpected CopyNonOverlapping, should only appear after lower_intrinsics",
)
@ -603,8 +603,6 @@ impl<'cx, 'tcx> rustc_mir_dataflow::ResultsVisitor<'cx, 'tcx> for MirBorrowckCtx
StatementKind::AscribeUserType(..)
// Doesn't have any language semantics
| StatementKind::Coverage(..)
// 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) => {