77 lines
3.1 KiB
Rust
77 lines
3.1 KiB
Rust
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-tidy-linelength
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// compile-flags: -Z verbose -Z mir-emit-validate=1 -Z span_free_formats
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struct Test(i32);
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impl Test {
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// Make sure we run the pass on a method, not just on bare functions.
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fn foo(&self, _x: &mut i32) {}
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}
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fn main() {
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let mut x = 0;
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Test(0).foo(&mut x); // just making sure we do not panic when there is a tuple struct ctor
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// Also test closures
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let c = |x: &mut i32| { let y = &*x; *y };
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c(&mut x);
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}
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// END RUST SOURCE
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// START rustc.{{impl}}-foo.EraseRegions.after.mir
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// bb0: {
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// Validate(Acquire, [_1: &ReFree(DefId(0/0:5 ~ validate_1[317d]::{{impl}}[0]::foo[0]), BrAnon(0)) Test, _2: &ReFree(DefId(0/0:5 ~ validate_1[317d]::{{impl}}[0]::foo[0]), BrAnon(1)) mut i32]);
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// ...
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// return;
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// }
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// END rustc.{{impl}}-foo.EraseRegions.after.mir
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// START rustc.main.EraseRegions.after.mir
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// fn main() -> () {
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// ...
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// bb0: {
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// ...
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// Validate(Suspend(ReScope(Node(ItemLocalId(10)))), [_1: i32]);
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// _6 = &ReErased mut _1;
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// Validate(Acquire, [(*_6): i32/ReScope(Node(ItemLocalId(10)))]);
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// Validate(Suspend(ReScope(Node(ItemLocalId(10)))), [(*_6): i32/ReScope(Node(ItemLocalId(10)))]);
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// _5 = &ReErased mut (*_6);
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// Validate(Acquire, [(*_5): i32/ReScope(Node(ItemLocalId(10)))]);
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// Validate(Release, [_2: (), _3: &ReScope(Node(ItemLocalId(10))) Test, _5: &ReScope(Node(ItemLocalId(10))) mut i32]);
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// _2 = const Test::foo(move _3, move _5) -> bb1;
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// }
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//
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// bb1: {
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// Validate(Acquire, [_2: ()]);
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// EndRegion(ReScope(Node(ItemLocalId(10))));
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// ...
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// return;
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// }
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// }
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// END rustc.main.EraseRegions.after.mir
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// START rustc.main-{{closure}}.EraseRegions.after.mir
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// fn main::{{closure}}(_1: &ReErased [closure@NodeId(50)], _2: &ReErased mut i32) -> i32 {
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// ...
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// bb0: {
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// Validate(Acquire, [_1: &ReFree(DefId(0/1:11 ~ validate_1[317d]::main[0]::{{closure}}[0]), BrEnv) [closure@NodeId(50)], _2: &ReFree(DefId(0/1:11 ~ validate_1[317d]::main[0]::{{closure}}[0]), BrAnon(0)) mut i32]);
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// StorageLive(_3);
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// Validate(Suspend(ReScope(Remainder(BlockRemainder { block: ItemLocalId(25), first_statement_index: 0 }))), [(*_2): i32]);
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// _3 = &ReErased (*_2);
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// Validate(Acquire, [(*_3): i32/ReScope(Remainder(BlockRemainder { block: ItemLocalId(25), first_statement_index: 0 })) (imm)]);
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// _0 = (*_3);
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// EndRegion(ReScope(Remainder(BlockRemainder { block: ItemLocalId(25), first_statement_index: 0 })));
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// StorageDead(_3);
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// return;
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// }
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// }
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// END rustc.main-{{closure}}.EraseRegions.after.mir
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