bjoernager/rust
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interpret: more consistently use ImmTy in operators and casts

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This commit is contained in:
Ralf Jung 2023-09-20 21:49:30 +02:00
parent 4f226925ce
commit da08a3f40c
21 changed files with 200 additions and 189 deletions
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14
compiler/rustc_mir_transform/src/dataflow_const_prop.rs
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@ -238,7 +238,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> {
FlatSet::Elem(op) => self
.ecx
.int_to_int_or_float(&op, *ty)
.map_or(FlatSet::Top, |result| self.wrap_immediate(result)),
.map_or(FlatSet::Top, |result| self.wrap_immediate(*result)),
FlatSet::Bottom => FlatSet::Bottom,
FlatSet::Top => FlatSet::Top,
}
@ -248,7 +248,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> {
FlatSet::Elem(op) => self
.ecx
.float_to_float_or_int(&op, *ty)
.map_or(FlatSet::Top, |result| self.wrap_immediate(result)),
.map_or(FlatSet::Top, |result| self.wrap_immediate(*result)),
FlatSet::Bottom => FlatSet::Bottom,
FlatSet::Top => FlatSet::Top,
}
@ -268,7 +268,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> {
Rvalue::UnaryOp(op, operand) => match self.eval_operand(operand, state) {
FlatSet::Elem(value) => self
.ecx
.unary_op(*op, &value)
.wrapping_unary_op(*op, &value)
.map_or(FlatSet::Top, |val| self.wrap_immediate(*val)),
FlatSet::Bottom => FlatSet::Bottom,
FlatSet::Top => FlatSet::Top,
@ -439,7 +439,9 @@ impl<'a, 'tcx> ConstAnalysis<'a, 'tcx> {
// Both sides are known, do the actual computation.
(FlatSet::Elem(left), FlatSet::Elem(right)) => {
match self.ecx.overflowing_binary_op(op, &left, &right) {
Ok((val, overflow, _)) => (FlatSet::Elem(val), FlatSet::Elem(overflow)),
Ok((val, overflow)) => {
(FlatSet::Elem(val.to_scalar()), FlatSet::Elem(overflow))
}
_ => (FlatSet::Top, FlatSet::Top),
}
}
@ -783,8 +785,8 @@ impl<'mir, 'tcx: 'mir> rustc_const_eval::interpret::Machine<'mir, 'tcx> for Dumm
_bin_op: BinOp,
_left: &rustc_const_eval::interpret::ImmTy<'tcx, Self::Provenance>,
_right: &rustc_const_eval::interpret::ImmTy<'tcx, Self::Provenance>,
) -> interpret::InterpResult<'tcx, (Scalar<Self::Provenance>, bool, Ty<'tcx>)> {
throw_unsup!(Unsupported("".into()))
) -> interpret::InterpResult<'tcx, (ImmTy<'tcx, Self::Provenance>, bool)> {
crate::const_prop::throw_machine_stop_str!("can't do pointer arithmetic");
}
fn expose_ptr(