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|
// MIR for `full_tested_match` after built
fn full_tested_match() -> () {
let mut _0: ();
let mut _1: (i32, i32);
let mut _2: std::option::Option<i32>;
let mut _3: isize;
let mut _4: &std::option::Option<i32>;
let _5: i32;
let _6: &i32;
let mut _7: bool;
let mut _8: i32;
let _9: i32;
let mut _10: i32;
scope 1 {
}
scope 2 {
debug x => _5;
debug x => _6;
}
scope 3 {
debug y => _9;
}
bb0: {
StorageLive(_1);
StorageLive(_2);
_2 = Option::<i32>::Some(const 42_i32);
PlaceMention(_2);
_3 = discriminant(_2);
switchInt(move _3) -> [0: bb1, 1: bb2, otherwise: bb4];
}
bb1: {
_1 = (const 3_i32, const 3_i32);
goto -> bb11;
}
bb2: {
falseEdge -> [real: bb5, imaginary: bb3];
}
bb3: {
falseEdge -> [real: bb10, imaginary: bb1];
}
bb4: {
FakeRead(ForMatchedPlace(None), _2);
unreachable;
}
bb5: {
StorageLive(_6);
_6 = &((_2 as Some).0: i32);
_4 = &fake _2;
StorageLive(_7);
_7 = guard() -> [return: bb6, unwind: bb12];
}
bb6: {
switchInt(move _7) -> [0: bb8, otherwise: bb7];
}
bb7: {
StorageDead(_7);
FakeRead(ForMatchGuard, _4);
FakeRead(ForGuardBinding, _6);
StorageLive(_5);
_5 = ((_2 as Some).0: i32);
StorageLive(_8);
_8 = _5;
_1 = (const 1_i32, move _8);
StorageDead(_8);
StorageDead(_5);
StorageDead(_6);
goto -> bb11;
}
bb8: {
goto -> bb9;
}
bb9: {
StorageDead(_7);
StorageDead(_6);
goto -> bb3;
}
bb10: {
StorageLive(_9);
_9 = ((_2 as Some).0: i32);
StorageLive(_10);
_10 = _9;
_1 = (const 2_i32, move _10);
StorageDead(_10);
StorageDead(_9);
goto -> bb11;
}
bb11: {
PlaceMention(_1);
StorageDead(_2);
StorageDead(_1);
_0 = const ();
return;
}
bb12 (cleanup): {
resume;
}
}
|
