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Rollup merge of #134295 - compiler-errors:smir-async-closure, r=oli-obk
Encode coroutine-closures in SMIR Fixes #134246 r? oli-obk
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,12 @@ | ||
//@ compile-flags: -Z unpretty=stable-mir --crate-type lib -C panic=abort | ||
//@ check-pass | ||
//@ only-x86_64 | ||
//@ edition: 2024 | ||
//@ needs-unwind unwind edges are different with panic=abort | ||
|
||
pub fn foo() { | ||
let y = 0; | ||
let x = async || { | ||
let y = y; | ||
}; | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,90 @@ | ||
// WARNING: This is highly experimental output it's intended for stable-mir developers only. | ||
// If you find a bug or want to improve the output open a issue at https://github.com/rust-lang/project-stable-mir. | ||
fn foo() -> () { | ||
let mut _0: (); | ||
let _1: i32; | ||
let _2: {async closure@$DIR/async-closure.rs:9:13: 9:21}; | ||
let mut _3: &i32; | ||
debug y => _1; | ||
debug x => _2; | ||
bb0: { | ||
_1 = 0_i32; | ||
_3 = &_1; | ||
_2 = {coroutine-closure@$DIR/async-closure.rs:9:13: 9:21}(move _3); | ||
return; | ||
} | ||
} | ||
fn foo::{closure#0}(_1: &{async closure@$DIR/async-closure.rs:9:13: 9:21}) -> {async closure body@$DIR/async-closure.rs:9:22: 11:6} { | ||
let mut _0: {async closure body@$DIR/async-closure.rs:9:22: 11:6}; | ||
let mut _2: &i32; | ||
debug y => (*((*_1).0: &i32)); | ||
bb0: { | ||
_2 = CopyForDeref(((*_1).0: &i32)); | ||
_0 = {coroutine@$DIR/async-closure.rs:9:22: 11:6}(_2); | ||
return; | ||
} | ||
} | ||
fn foo::{closure#0}::{closure#0}(_1: Pin<&mut {async closure body@$DIR/async-closure.rs:9:22: 11:6}>, _2: &mut Context<'_>) -> Poll<()> { | ||
let mut _0: Poll<()>; | ||
let _3: i32; | ||
let mut _4: &i32; | ||
let mut _5: u32; | ||
let mut _6: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6}; | ||
let mut _7: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6}; | ||
let mut _8: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6}; | ||
debug _task_context => _2; | ||
debug y => (*((*(_1.0: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6})).0: &i32)); | ||
debug y => _3; | ||
bb0: { | ||
_6 = CopyForDeref((_1.0: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6})); | ||
_5 = discriminant((*_6)); | ||
switchInt(move _5) -> [0: bb1, 1: bb2, otherwise: bb3]; | ||
} | ||
bb1: { | ||
_7 = CopyForDeref((_1.0: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6})); | ||
_4 = CopyForDeref(((*_7).0: &i32)); | ||
_3 = (*_4); | ||
_0 = std::task::Poll::Ready(()); | ||
_8 = CopyForDeref((_1.0: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6})); | ||
discriminant((*_8) = 1; | ||
return; | ||
} | ||
bb2: { | ||
assert(false, `async fn` resumed after completion) -> [success: bb2, unwind unreachable]; | ||
} | ||
bb3: { | ||
unreachable; | ||
} | ||
} | ||
fn foo::{closure#0}::{closure#1}(_1: Pin<&mut {async closure body@$DIR/async-closure.rs:9:22: 11:6}>, _2: &mut Context<'_>) -> Poll<()> { | ||
let mut _0: Poll<()>; | ||
let _3: i32; | ||
let mut _4: &i32; | ||
let mut _5: u32; | ||
let mut _6: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6}; | ||
let mut _7: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6}; | ||
let mut _8: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6}; | ||
debug _task_context => _2; | ||
debug y => (*((*(_1.0: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6})).0: &i32)); | ||
debug y => _3; | ||
bb0: { | ||
_6 = CopyForDeref((_1.0: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6})); | ||
_5 = discriminant((*_6)); | ||
switchInt(move _5) -> [0: bb1, 1: bb2, otherwise: bb3]; | ||
} | ||
bb1: { | ||
_7 = CopyForDeref((_1.0: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6})); | ||
_4 = CopyForDeref(((*_7).0: &i32)); | ||
_3 = (*_4); | ||
_0 = std::task::Poll::Ready(()); | ||
_8 = CopyForDeref((_1.0: &mut {async closure body@$DIR/async-closure.rs:9:22: 11:6})); | ||
discriminant((*_8) = 1; | ||
return; | ||
} | ||
bb2: { | ||
assert(false, `async fn` resumed after completion) -> [success: bb2, unwind unreachable]; | ||
} | ||
bb3: { | ||
unreachable; | ||
} | ||
} |