bjoernager/rust
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ScalarInt: size mismatches are a bug, do not delay the panic

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This commit is contained in:
Ralf Jung 2024-06-08 16:13:45 +02:00
parent 13423befc4
commit 3c57ea0df7
45 changed files with 247 additions and 313 deletions
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17
compiler/rustc_const_eval/src/interpret/operand.rs
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@ -87,6 +87,12 @@ impl<Prov: Provenance> Immediate<Prov> {
}
}
#[inline]
#[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980)
pub fn to_scalar_int(self) -> ScalarInt {
self.to_scalar().try_to_scalar_int().unwrap()
}
#[inline]
#[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980)
pub fn to_scalar_pair(self) -> (Scalar<Prov>, Scalar<Prov>) {
@ -219,19 +225,11 @@ impl<'tcx, Prov: Provenance> ImmTy<'tcx, Prov> {
Self::from_scalar(Scalar::from(s), layout)
}
#[inline]
pub fn try_from_uint(i: impl Into<u128>, layout: TyAndLayout<'tcx>) -> Option<Self> {
Some(Self::from_scalar(Scalar::try_from_uint(i, layout.size)?, layout))
}
#[inline]
pub fn from_uint(i: impl Into<u128>, layout: TyAndLayout<'tcx>) -> Self {
Self::from_scalar(Scalar::from_uint(i, layout.size), layout)
}
#[inline]
pub fn try_from_int(i: impl Into<i128>, layout: TyAndLayout<'tcx>) -> Option<Self> {
Some(Self::from_scalar(Scalar::try_from_int(i, layout.size)?, layout))
}
#[inline]
pub fn from_int(i: impl Into<i128>, layout: TyAndLayout<'tcx>) -> Self {
Self::from_scalar(Scalar::from_int(i, layout.size), layout)
@ -276,7 +274,8 @@ impl<'tcx, Prov: Provenance> ImmTy<'tcx, Prov> {
#[inline]
pub fn to_const_int(self) -> ConstInt {
assert!(self.layout.ty.is_integral());
let int = self.to_scalar().assert_int();
let int = self.imm.to_scalar_int();
assert_eq!(int.size(), self.layout.size);
ConstInt::new(int, self.layout.ty.is_signed(), self.layout.ty.is_ptr_sized_integral())
}