bjoernager/rust
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Pass MPlaceTy by reference not value

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This commit is contained in:
Tomasz Miąsko 2021-02-15 00:00:00 +00:00
parent 5888556efe
commit d06a2a368d
13 changed files with 72 additions and 65 deletions
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8
compiler/rustc_mir/src/const_eval/eval_queries.rs
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@ -72,7 +72,7 @@ fn eval_body_using_ecx<'mir, 'tcx>(
None => InternKind::Constant,
}
};
intern_const_alloc_recursive(ecx, intern_kind, ret)?;
intern_const_alloc_recursive(ecx, intern_kind, &ret)?;
debug!("eval_body_using_ecx done: {:?}", *ret);
Ok(ret)
@ -137,7 +137,7 @@ pub(super) fn op_to_const<'tcx>(
op.try_as_mplace(ecx)
};
let to_const_value = |mplace: MPlaceTy<'_>| match mplace.ptr {
let to_const_value = |mplace: &MPlaceTy<'_>| match mplace.ptr {
Scalar::Ptr(ptr) => {
let alloc = ecx.tcx.global_alloc(ptr.alloc_id).unwrap_memory();
ConstValue::ByRef { alloc, offset: ptr.offset }
@ -155,12 +155,12 @@ pub(super) fn op_to_const<'tcx>(
}
};
match immediate {
Ok(mplace) => to_const_value(mplace),
Ok(ref mplace) => to_const_value(mplace),
// see comment on `let try_as_immediate` above
Err(imm) => match *imm {
Immediate::Scalar(x) => match x {
ScalarMaybeUninit::Scalar(s) => ConstValue::Scalar(s),
ScalarMaybeUninit::Uninit => to_const_value(op.assert_mem_place(ecx)),
ScalarMaybeUninit::Uninit => to_const_value(&op.assert_mem_place(ecx)),
},
Immediate::ScalarPair(a, b) => {
let (data, start) = match a.check_init().unwrap() {