use AllocId instead of Allocation in ConstValue::ByRef

This commit is contained in:
Ralf Jung 2023-09-11 20:01:48 +02:00
parent 0698591527
commit 2aaaeb4e81

View File

@ -684,34 +684,37 @@ pub fn miri_to_const<'tcx>(lcx: &LateContext<'tcx>, result: mir::ConstantKind<'t
},
_ => None,
},
mir::ConstantKind::Val(ConstValue::ByRef { alloc, offset: _ }, _) => match result.ty().kind() {
ty::Adt(adt_def, _) if adt_def.is_struct() => Some(Constant::Adt(result)),
ty::Array(sub_type, len) => match sub_type.kind() {
ty::Float(FloatTy::F32) => match len.try_to_target_usize(lcx.tcx) {
Some(len) => alloc
.inner()
.inspect_with_uninit_and_ptr_outside_interpreter(0..(4 * usize::try_from(len).unwrap()))
.to_owned()
.array_chunks::<4>()
.map(|&chunk| Some(Constant::F32(f32::from_le_bytes(chunk))))
.collect::<Option<Vec<Constant<'tcx>>>>()
.map(Constant::Vec),
_ => None,
},
ty::Float(FloatTy::F64) => match len.try_to_target_usize(lcx.tcx) {
Some(len) => alloc
.inner()
.inspect_with_uninit_and_ptr_outside_interpreter(0..(8 * usize::try_from(len).unwrap()))
.to_owned()
.array_chunks::<8>()
.map(|&chunk| Some(Constant::F64(f64::from_le_bytes(chunk))))
.collect::<Option<Vec<Constant<'tcx>>>>()
.map(Constant::Vec),
mir::ConstantKind::Val(ConstValue::ByRef { alloc_id, offset: _ }, _) => {
let alloc = lcx.tcx.global_alloc(alloc_id).unwrap_memory();
match result.ty().kind() {
ty::Adt(adt_def, _) if adt_def.is_struct() => Some(Constant::Adt(result)),
ty::Array(sub_type, len) => match sub_type.kind() {
ty::Float(FloatTy::F32) => match len.try_to_target_usize(lcx.tcx) {
Some(len) => alloc
.inner()
.inspect_with_uninit_and_ptr_outside_interpreter(0..(4 * usize::try_from(len).unwrap()))
.to_owned()
.array_chunks::<4>()
.map(|&chunk| Some(Constant::F32(f32::from_le_bytes(chunk))))
.collect::<Option<Vec<Constant<'tcx>>>>()
.map(Constant::Vec),
_ => None,
},
ty::Float(FloatTy::F64) => match len.try_to_target_usize(lcx.tcx) {
Some(len) => alloc
.inner()
.inspect_with_uninit_and_ptr_outside_interpreter(0..(8 * usize::try_from(len).unwrap()))
.to_owned()
.array_chunks::<8>()
.map(|&chunk| Some(Constant::F64(f64::from_le_bytes(chunk))))
.collect::<Option<Vec<Constant<'tcx>>>>()
.map(Constant::Vec),
_ => None,
},
_ => None,
},
_ => None,
},
_ => None,
}
},
_ => None,
}