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- // MIR for `main` before ConstProp
+ // MIR for `main` after ConstProp
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/boxes.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/boxes.rs:+1:9: +1:10
let mut _2: i32; // in scope 0 at $DIR/boxes.rs:+1:13: +2:18
let mut _3: std::boxed::Box<i32>; // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
let mut _4: usize; // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
let mut _5: usize; // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
let mut _6: *mut u8; // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
let mut _7: std::boxed::Box<i32>; // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
let mut _8: *const i32; // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
let mut _9: *const i32; // in scope 0 at $DIR/boxes.rs:+1:14: +2:18
scope 1 {
debug x => _1; // in scope 1 at $DIR/boxes.rs:+1:9: +1:10
}
scope 2 {
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/boxes.rs:+1:9: +1:10
StorageLive(_2); // scope 0 at $DIR/boxes.rs:+1:13: +2:18
StorageLive(_3); // scope 0 at $DIR/boxes.rs:+1:14: +2:18
- _4 = SizeOf(i32); // scope 2 at $DIR/boxes.rs:+1:14: +2:18
- _5 = AlignOf(i32); // scope 2 at $DIR/boxes.rs:+1:14: +2:18
+ _4 = const 4_usize; // scope 2 at $DIR/boxes.rs:+1:14: +2:18
+ _5 = const 4_usize; // scope 2 at $DIR/boxes.rs:+1:14: +2:18
_6 = alloc::alloc::exchange_malloc(move _4, move _5) -> bb1; // scope 2 at $DIR/boxes.rs:+1:14: +2:18
// mir::Constant
// + span: $DIR/boxes.rs:13:14: 14:18
// + literal: Const { ty: unsafe fn(usize, usize) -> *mut u8 {alloc::alloc::exchange_malloc}, val: Value(<ZST>) }
}
bb1: {
StorageLive(_7); // scope 0 at $DIR/boxes.rs:+1:14: +2:18
_7 = ShallowInitBox(move _6, i32); // scope 0 at $DIR/boxes.rs:+1:14: +2:18
_8 = (((_7.0: std::ptr::Unique<i32>).0: std::ptr::NonNull<i32>).0: *const i32); // scope 0 at $DIR/boxes.rs:+2:14: +2:16
(*_8) = const 42_i32; // scope 0 at $DIR/boxes.rs:+2:14: +2:16
_3 = move _7; // scope 0 at $DIR/boxes.rs:+1:14: +2:18
StorageDead(_7); // scope 0 at $DIR/boxes.rs:+2:17: +2:18
_9 = (((_3.0: std::ptr::Unique<i32>).0: std::ptr::NonNull<i32>).0: *const i32); // scope 0 at $DIR/boxes.rs:+1:13: +2:18
_2 = (*_9); // scope 0 at $DIR/boxes.rs:+1:13: +2:18
_1 = Add(move _2, const 0_i32); // scope 0 at $DIR/boxes.rs:+1:13: +3:12
StorageDead(_2); // scope 0 at $DIR/boxes.rs:+3:11: +3:12
drop(_3) -> [return: bb2, unwind: bb3]; // scope 0 at $DIR/boxes.rs:+3:12: +3:13
}
bb2: {
StorageDead(_3); // scope 0 at $DIR/boxes.rs:+3:12: +3:13
_0 = const (); // scope 0 at $DIR/boxes.rs:+0:11: +4:2
StorageDead(_1); // scope 0 at $DIR/boxes.rs:+4:1: +4:2
return; // scope 0 at $DIR/boxes.rs:+4:2: +4:2
}
bb3 (cleanup): {
resume; // scope 0 at $DIR/boxes.rs:+0:1: +4:2
}
}
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