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Clarify when None is returned in cast_immediate function.

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Markus Reiter 2024-05-18 23:45:15 +02:00
parent 832ccdc8df
commit b455e43729
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compiler/rustc_codegen_ssa/src/mir/rvalue.rs
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@ -282,6 +282,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
/// Cast one of the immediates from an [`OperandValue::Immediate`] /// Cast one of the immediates from an [`OperandValue::Immediate`]
/// or an [`OperandValue::Pair`] to an immediate of the target type. /// or an [`OperandValue::Pair`] to an immediate of the target type.
///
/// Returns `None` if the cast is not possible.
fn cast_immediate( fn cast_immediate(
&self, &self,
bx: &mut Bx, bx: &mut Bx,