Auto merge of #3823 - spastorino:place_base, r=flip1995

Place::Local(x) is now Place::Base(PlaceBase::Local(x))

We need to merge this after the beta cut for this https://github.com/rust-lang/rust/pull/58631 to work.
/cc @oli-obk
This commit is contained in:
bors 2019-03-01 16:03:15 +00:00
commit 8dfabdf11c

View file

@ -143,7 +143,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for RedundantClone {
let pred_arg = if_chain! {
if let Some((pred_fn_def_id, pred_arg, pred_arg_ty, Some(res))) =
is_call_with_ref_arg(cx, mir, &pred_terminator.kind);
if *res == mir::Place::Local(cloned);
if *res == mir::Place::Base(mir::PlaceBase::Local(cloned));
if match_def_path(cx.tcx, pred_fn_def_id, &paths::DEREF_TRAIT_METHOD);
if match_type(cx, pred_arg_ty, &paths::PATH_BUF)
|| match_type(cx, pred_arg_ty, &paths::OS_STRING);
@ -229,7 +229,7 @@ fn is_call_with_ref_arg<'tcx>(
if_chain! {
if let TerminatorKind::Call { func, args, destination, .. } = kind;
if args.len() == 1;
if let mir::Operand::Move(mir::Place::Local(local)) = &args[0];
if let mir::Operand::Move(mir::Place::Base(mir::PlaceBase::Local(local))) = &args[0];
if let ty::FnDef(def_id, _) = func.ty(&*mir, cx.tcx).sty;
if let (inner_ty, 1) = walk_ptrs_ty_depth(args[0].ty(&*mir, cx.tcx));
if !is_copy(cx, inner_ty);
@ -255,7 +255,7 @@ fn find_stmt_assigns_to<'a, 'tcx: 'a>(
stmts
.rev()
.find_map(|stmt| {
if let mir::StatementKind::Assign(mir::Place::Local(local), v) = &stmt.kind {
if let mir::StatementKind::Assign(mir::Place::Base(mir::PlaceBase::Local(local)), v) = &stmt.kind {
if *local == to {
return Some(v);
}
@ -285,6 +285,7 @@ fn base_local_and_movability<'tcx>(
mut place: &mir::Place<'tcx>,
) -> Option<(mir::Local, CannotMoveOut)> {
use rustc::mir::Place::*;
use rustc::mir::PlaceBase;
// Dereference. You cannot move things out from a borrowed value.
let mut deref = false;
@ -293,7 +294,7 @@ fn base_local_and_movability<'tcx>(
loop {
match place {
Local(local) => return Some((*local, deref || field)),
Base(PlaceBase::Local(local)) => return Some((*local, deref || field)),
Projection(proj) => {
place = &proj.base;
deref = deref || matches!(proj.elem, mir::ProjectionElem::Deref);