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|
- // MIR for `simple` before DataflowConstProp
+ // MIR for `simple` after DataflowConstProp
fn simple() -> () {
let mut _0: ();
let _1: E;
let mut _3: isize;
scope 1 {
debug e => _1;
let _2: i32;
let _4: i32;
let _5: i32;
scope 2 {
debug x => _2;
}
scope 3 {
debug x => _4;
}
scope 4 {
debug x => _5;
}
}
bb0: {
StorageLive(_1);
_1 = E::V1(const 0_i32);
StorageLive(_2);
- _3 = discriminant(_1);
- switchInt(move _3) -> [0: bb3, 1: bb1, otherwise: bb2];
+ _3 = const 0_isize;
+ switchInt(const 0_isize) -> [0: bb3, 1: bb1, otherwise: bb2];
}
bb1: {
StorageLive(_5);
_5 = ((_1 as V2).0: i32);
_2 = _5;
StorageDead(_5);
goto -> bb4;
}
bb2: {
unreachable;
}
bb3: {
StorageLive(_4);
- _4 = ((_1 as V1).0: i32);
- _2 = _4;
+ _4 = const 0_i32;
+ _2 = const 0_i32;
StorageDead(_4);
goto -> bb4;
}
bb4: {
_0 = const ();
StorageDead(_2);
StorageDead(_1);
return;
}
}
|
