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Re-parent the by-move body
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compiler-errors committed Sep 3, 2024
1 parent 5525043 commit 955427f
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Showing 7 changed files with 17 additions and 16 deletions.
3 changes: 2 additions & 1 deletion compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,8 @@ pub fn coroutine_by_move_body_def_id<'tcx>(
let mut by_move_body = body.clone();
MakeByMoveBody { tcx, field_remapping, by_move_coroutine_ty }.visit_body(&mut by_move_body);

let body_def = tcx.create_def(coroutine_def_id, kw::Empty, DefKind::SyntheticCoroutineBody);
// This will always be `{closure#1}`, since the original coroutine is `{closure#0}`.
let body_def = tcx.create_def(parent_def_id, kw::Empty, DefKind::SyntheticCoroutineBody);
by_move_body.source =
mir::MirSource::from_instance(InstanceKind::Item(body_def.def_id().to_def_id()));
dump_mir(tcx, false, "built", &"after", &by_move_body, |_, _| Ok(()));
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
// MIR for `main::{closure#0}::{closure#0}::{closure#0}::{closure#0}` after built
// MIR for `main::{closure#0}::{closure#0}::{closure#1}` after built

fn main::{closure#0}::{closure#0}::{closure#0}::{closure#0}(_1: {async closure body@$DIR/async_closure_shims.rs:55:53: 58:10}, _2: ResumeTy) -> ()
fn main::{closure#0}::{closure#0}::{closure#1}(_1: {async closure body@$DIR/async_closure_shims.rs:55:53: 58:10}, _2: ResumeTy) -> ()
yields ()
{
debug _task_context => _2;
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@@ -1,10 +1,10 @@
// MIR for `main::{closure#0}::{closure#0}` 0 coroutine_closure_by_move

fn main::{closure#0}::{closure#0}(_1: {async closure@$DIR/async_closure_shims.rs:53:33: 53:52}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:53:53: 56:10} {
let mut _0: {async closure body@$DIR/async_closure_shims.rs:53:53: 56:10};
fn main::{closure#0}::{closure#0}(_1: {async closure@$DIR/async_closure_shims.rs:55:33: 55:52}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:55:53: 58:10} {
let mut _0: {async closure body@$DIR/async_closure_shims.rs:55:53: 58:10};

bb0: {
_0 = {coroutine@$DIR/async_closure_shims.rs:53:53: 56:10 (#0)} { a: move _2, b: move (_1.0: i32) };
_0 = {coroutine@$DIR/async_closure_shims.rs:55:53: 58:10 (#0)} { a: move _2, b: move (_1.0: i32) };
return;
}
}
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
// MIR for `main::{closure#0}::{closure#1}::{closure#0}::{closure#0}` after built
// MIR for `main::{closure#0}::{closure#1}::{closure#1}` after built

fn main::{closure#0}::{closure#1}::{closure#0}::{closure#0}(_1: {async closure body@$DIR/async_closure_shims.rs:64:48: 67:10}, _2: ResumeTy) -> ()
fn main::{closure#0}::{closure#1}::{closure#1}(_1: {async closure body@$DIR/async_closure_shims.rs:64:48: 67:10}, _2: ResumeTy) -> ()
yields ()
{
debug _task_context => _2;
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
// MIR for `main::{closure#0}::{closure#1}` 0 coroutine_closure_by_move

fn main::{closure#0}::{closure#1}(_1: {async closure@$DIR/async_closure_shims.rs:62:33: 62:47}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10} {
let mut _0: {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10};
fn main::{closure#0}::{closure#1}(_1: {async closure@$DIR/async_closure_shims.rs:64:33: 64:47}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:64:48: 67:10} {
let mut _0: {async closure body@$DIR/async_closure_shims.rs:64:48: 67:10};

bb0: {
_0 = {coroutine@$DIR/async_closure_shims.rs:62:48: 65:10 (#0)} { a: move _2, b: move (_1.0: &i32) };
_0 = {coroutine@$DIR/async_closure_shims.rs:64:48: 67:10 (#0)} { a: move _2, b: move (_1.0: &i32) };
return;
}
}
Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
// MIR for `main::{closure#0}::{closure#1}` 0 coroutine_closure_by_ref

fn main::{closure#0}::{closure#1}(_1: &{async closure@$DIR/async_closure_shims.rs:62:33: 62:47}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10} {
let mut _0: {async closure body@$DIR/async_closure_shims.rs:62:48: 65:10};
fn main::{closure#0}::{closure#1}(_1: &{async closure@$DIR/async_closure_shims.rs:64:33: 64:47}, _2: i32) -> {async closure body@$DIR/async_closure_shims.rs:64:48: 67:10} {
let mut _0: {async closure body@$DIR/async_closure_shims.rs:64:48: 67:10};

bb0: {
_0 = {coroutine@$DIR/async_closure_shims.rs:62:48: 65:10 (#0)} { a: move _2, b: copy ((*_1).0: &i32) };
_0 = {coroutine@$DIR/async_closure_shims.rs:64:48: 67:10 (#0)} { a: move _2, b: copy ((*_1).0: &i32) };
return;
}
}
4 changes: 2 additions & 2 deletions tests/mir-opt/async_closure_shims.rs
Original file line number Diff line number Diff line change
Expand Up @@ -44,11 +44,11 @@ async fn call_normal_mut<F: Future<Output = ()>>(f: &mut impl FnMut(i32) -> F) {

// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#0}.coroutine_closure_by_move.0.mir
// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#0}-{closure#0}.built.after.mir
// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#0}-{closure#0}-{closure#0}.built.after.mir
// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#0}-{closure#1}.built.after.mir
// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_ref.0.mir
// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#1}.coroutine_closure_by_move.0.mir
// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#1}-{closure#0}.built.after.mir
// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#1}-{closure#0}-{closure#0}.built.after.mir
// EMIT_MIR async_closure_shims.main-{closure#0}-{closure#1}-{closure#1}.built.after.mir
pub fn main() {
block_on(async {
let b = 2i32;
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