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|
- // MIR for `enum_different_variant` before GVN
+ // MIR for `enum_different_variant` after GVN
fn enum_different_variant(_1: &Enum1) -> Enum1 {
debug v => _1;
let mut _0: Enum1;
let mut _2: isize;
let _3: &AllCopy;
let mut _8: i32;
let mut _9: u64;
let mut _10: [i8; 3];
let mut _11: AllCopy;
let _12: &AllCopy;
let mut _17: i32;
let mut _18: u64;
let mut _19: [i8; 3];
let mut _20: AllCopy;
scope 1 {
debug v => _3;
let _4: i32;
scope 2 {
debug a => _4;
let _5: u64;
scope 3 {
debug b => _5;
let _6: [i8; 3];
scope 4 {
debug c => _6;
let _7: AllCopy;
scope 5 {
debug all_copy => _7;
}
}
}
}
}
scope 6 {
debug v => _12;
let _13: i32;
scope 7 {
debug a => _13;
let _14: u64;
scope 8 {
debug b => _14;
let _15: [i8; 3];
scope 9 {
debug c => _15;
let _16: AllCopy;
scope 10 {
debug all_copy => _16;
}
}
}
}
}
bb0: {
_2 = discriminant((*_1));
switchInt(move _2) -> [0: bb3, 1: bb2, otherwise: bb1];
}
bb1: {
unreachable;
}
bb2: {
StorageLive(_12);
_12 = &(((*_1) as B).0: AllCopy);
- StorageLive(_13);
- _13 = copy ((*_12).0: i32);
- StorageLive(_14);
- _14 = copy ((*_12).1: u64);
- StorageLive(_15);
- _15 = copy ((*_12).2: [i8; 3]);
- StorageLive(_16);
+ nop;
+ _13 = copy ((((*_1) as B).0: AllCopy).0: i32);
+ nop;
+ _14 = copy ((((*_1) as B).0: AllCopy).1: u64);
+ nop;
+ _15 = copy ((((*_1) as B).0: AllCopy).2: [i8; 3]);
+ nop;
StorageLive(_17);
_17 = copy _13;
StorageLive(_18);
_18 = copy _14;
StorageLive(_19);
_19 = copy _15;
- _16 = AllCopy { a: move _17, b: move _18, c: move _19 };
+ _16 = copy (((*_1) as B).0: AllCopy);
StorageDead(_19);
StorageDead(_18);
StorageDead(_17);
StorageLive(_20);
- _20 = move _16;
- _0 = Enum1::A(move _20);
+ _20 = copy _16;
+ _0 = Enum1::A(copy _16);
StorageDead(_20);
- StorageDead(_16);
- StorageDead(_15);
- StorageDead(_14);
- StorageDead(_13);
+ nop;
+ nop;
+ nop;
+ nop;
StorageDead(_12);
goto -> bb4;
}
bb3: {
StorageLive(_3);
_3 = &(((*_1) as A).0: AllCopy);
- StorageLive(_4);
- _4 = copy ((*_3).0: i32);
- StorageLive(_5);
- _5 = copy ((*_3).1: u64);
- StorageLive(_6);
- _6 = copy ((*_3).2: [i8; 3]);
- StorageLive(_7);
+ nop;
+ _4 = copy ((((*_1) as A).0: AllCopy).0: i32);
+ nop;
+ _5 = copy ((((*_1) as A).0: AllCopy).1: u64);
+ nop;
+ _6 = copy ((((*_1) as A).0: AllCopy).2: [i8; 3]);
+ nop;
StorageLive(_8);
_8 = copy _4;
StorageLive(_9);
_9 = copy _5;
StorageLive(_10);
_10 = copy _6;
- _7 = AllCopy { a: move _8, b: move _9, c: move _10 };
+ _7 = copy (((*_1) as A).0: AllCopy);
StorageDead(_10);
StorageDead(_9);
StorageDead(_8);
StorageLive(_11);
- _11 = move _7;
- _0 = Enum1::B(move _11);
+ _11 = copy _7;
+ _0 = Enum1::B(copy _7);
StorageDead(_11);
- StorageDead(_7);
- StorageDead(_6);
- StorageDead(_5);
- StorageDead(_4);
+ nop;
+ nop;
+ nop;
+ nop;
StorageDead(_3);
goto -> bb4;
}
bb4: {
return;
}
}
|
