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interpret/validity: separately control checking numbers for being init and non-ptr

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Ralf Jung 2022-05-19 20:16:25 +02:00
parent 77972d2d01
commit 5514b1176f
14 changed files with 65 additions and 43 deletions
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15
compiler/rustc_const_eval/src/interpret/machine.rs
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@ -133,9 +133,11 @@ pub trait Machine<'mir, 'tcx>: Sized {
/// Whether to enforce the validity invariant
fn enforce_validity(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool;
/// Whether to enforce validity (e.g., initialization and not having ptr provenance)
/// of integers and floats.
fn enforce_number_validity(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool;
/// Whether to enforce integers and floats being initialized.
fn enforce_number_init(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool;
/// Whether to enforce integers and floats not having provenance.
fn enforce_number_no_provenance(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool;
/// Whether function calls should be [ABI](Abi)-checked.
fn enforce_abi(_ecx: &InterpCx<'mir, 'tcx, Self>) -> bool {
@ -453,7 +455,12 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) {
}
#[inline(always)]
fn enforce_number_validity(_ecx: &InterpCx<$mir, $tcx, Self>) -> bool {
fn enforce_number_init(_ecx: &InterpCx<$mir, $tcx, Self>) -> bool {
true
}
#[inline(always)]
fn enforce_number_no_provenance(_ecx: &InterpCx<$mir, $tcx, Self>) -> bool {
true
}