use len on mplace instead of reading immediate, remove dead code
This commit is contained in:
parent
8a5273bc99
commit
4b126b805b
3 changed files with 13 additions and 38 deletions
|
@ -12,8 +12,8 @@ use rustc_span::{source_map::DUMMY_SP, symbol::Symbol};
|
|||
use rustc_target::abi::VariantIdx;
|
||||
|
||||
use crate::interpret::{
|
||||
intern_const_alloc_recursive, ConstValue, Immediate, InternKind, InterpCx, InterpResult,
|
||||
MPlaceTy, MemPlaceMeta, Scalar,
|
||||
intern_const_alloc_recursive, ConstValue, InternKind, InterpCx, InterpResult, MPlaceTy,
|
||||
MemPlaceMeta, Scalar,
|
||||
};
|
||||
|
||||
mod error;
|
||||
|
@ -119,44 +119,19 @@ fn const_to_valtree_inner<'tcx>(
|
|||
ty::Ref(_, inner_ty, _) => {
|
||||
match inner_ty.kind() {
|
||||
ty::Slice(_) | ty::Str => {
|
||||
match ecx.try_read_immediate_from_mplace(&place) {
|
||||
Ok(Some(imm)) => {
|
||||
let derefd = ecx.deref_operand(&place.into()).expect(&format!("couldnt deref {:?}", imm));
|
||||
debug!(?derefd);
|
||||
let derefd = ecx.deref_operand(&place.into()).unwrap();
|
||||
debug!(?derefd);
|
||||
let len = derefd.len(&ecx.tcx.tcx).unwrap();
|
||||
let valtree = slice_branches(ecx, &derefd, len);
|
||||
debug!(?valtree);
|
||||
|
||||
let len = match *imm {
|
||||
Immediate::ScalarPair(_, b) => {
|
||||
let len = b.to_machine_usize(&ecx.tcx.tcx).unwrap();
|
||||
len
|
||||
}
|
||||
_ => bug!("expected ScalarPair for &[T] or &str"),
|
||||
};
|
||||
debug!(?len);
|
||||
|
||||
let valtree = slice_branches(ecx, &derefd, len);
|
||||
debug!(?valtree);
|
||||
|
||||
valtree
|
||||
}
|
||||
_ => {
|
||||
None
|
||||
}
|
||||
}
|
||||
valtree
|
||||
}
|
||||
_ => {
|
||||
let imm = ecx.try_read_immediate_from_mplace(&place).unwrap_or_else(|e| bug!("couldnt read immediate from {:?}, error: {:?}", place, e));
|
||||
let derefd_place = ecx.deref_operand(&place.into()).unwrap_or_else(|e| bug!("couldn't deref {:?}, error: {:?}", place, e));
|
||||
debug!(?derefd_place);
|
||||
|
||||
match imm {
|
||||
Some(imm) => {
|
||||
debug!(?imm);
|
||||
|
||||
let derefd_place = ecx.deref_operand(&place.into()).unwrap_or_else(|e| bug!("couldn't deref {:?}, error: {:?}", place, e));
|
||||
debug!(?derefd_place);
|
||||
|
||||
const_to_valtree_inner(ecx, &derefd_place)
|
||||
}
|
||||
None => bug!("couldn't read immediate from {:?}", place),
|
||||
}
|
||||
const_to_valtree_inner(ecx, &derefd_place)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue