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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// ignore-tidy-linelength
// compile-flags: -Z verbose -Z mir-emit-validate=1
struct Test {
x: i32
}
fn foo(_x: &i32) {}
fn main() {
// These internal unsafe functions should have no effect on the code generation.
unsafe fn _unused1() {}
fn _unused2(x: *const i32) -> i32 { unsafe { *x }}
let t = Test { x: 0 };
let t = &t;
foo(&t.x);
}
// END RUST SOURCE
// START rustc.main.EraseRegions.after.mir
// fn main() -> () {
// ...
// let mut _5: &ReErased i32;
// bb0: {
// StorageLive(_1);
// _1 = Test { x: const 0i32 };
// StorageLive(_2);
// Validate(Suspend(ReScope(Remainder(BlockRemainder { block: ItemLocalId(19), first_statement_index: 3 }))), [_1: Test]);
// _2 = &ReErased _1;
// Validate(Acquire, [(*_2): Test/ReScope(Remainder(BlockRemainder { block: ItemLocalId(19), first_statement_index: 3 })) (imm)]);
// StorageLive(_4);
// StorageLive(_5);
// Validate(Suspend(ReScope(Node(ItemLocalId(17)))), [((*_2).0: i32): i32/ReScope(Remainder(BlockRemainder { block: ItemLocalId(19), first_statement_index: 3 })) (imm)]);
// _5 = &ReErased ((*_2).0: i32);
// Validate(Acquire, [(*_5): i32/ReScope(Node(ItemLocalId(17))) (imm)]);
// Validate(Suspend(ReScope(Node(ItemLocalId(17)))), [(*_5): i32/ReScope(Node(ItemLocalId(17))) (imm)]);
// _4 = &ReErased (*_5);
// Validate(Acquire, [(*_4): i32/ReScope(Node(ItemLocalId(17))) (imm)]);
// Validate(Release, [_3: (), _4: &ReScope(Node(ItemLocalId(17))) i32]);
// _3 = const foo(move _4) -> bb1;
// }
// bb1: {
// Validate(Acquire, [_3: ()]);
// EndRegion(ReScope(Node(ItemLocalId(17))));
// StorageDead(_4);
// StorageDead(_5);
// _0 = ();
// EndRegion(ReScope(Remainder(BlockRemainder { block: ItemLocalId(19), first_statement_index: 3 })));
// StorageDead(_2);
// StorageDead(_1);
// return;
// }
// }
// END rustc.main.EraseRegions.after.mir
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