rust/tests/mir-opt/sroa/structs.ref_copies.ScalarRe...

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Diff

- // MIR for `ref_copies` before ScalarReplacementOfAggregates
+ // MIR for `ref_copies` after ScalarReplacementOfAggregates
fn ref_copies(_1: &Foo) -> () {
debug x => _1;
let mut _0: ();
let _2: Foo;
+ let _5: u8;
+ let _6: ();
+ let _7: &str;
+ let _8: std::option::Option<isize>;
scope 1 {
- debug y => _2;
+ debug ((y: Foo).0: u8) => _5;
+ debug ((y: Foo).1: ()) => _6;
+ debug ((y: Foo).2: &str) => _7;
+ debug ((y: Foo).3: std::option::Option<isize>) => _8;
let _3: u8;
scope 2 {
debug t => _3;
let _4: &str;
scope 3 {
debug u => _4;
}
}
}
bb0: {
- StorageLive(_2);
- _2 = copy (*_1);
+ StorageLive(_5);
+ StorageLive(_6);
+ StorageLive(_7);
+ StorageLive(_8);
+ nop;
+ _5 = copy ((*_1).0: u8);
+ _6 = copy ((*_1).1: ());
+ _7 = copy ((*_1).2: &str);
+ _8 = copy ((*_1).3: std::option::Option<isize>);
+ nop;
StorageLive(_3);
- _3 = copy (_2.0: u8);
+ _3 = copy _5;
StorageLive(_4);
- _4 = copy (_2.2: &str);
+ _4 = copy _7;
_0 = const ();
StorageDead(_4);
StorageDead(_3);
- StorageDead(_2);
+ StorageDead(_5);
+ StorageDead(_6);
+ StorageDead(_7);
+ StorageDead(_8);
+ nop;
return;
}
}