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- // MIR for `main` before UnreachablePropagation
+ // MIR for `main` after UnreachablePropagation
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/unreachable.rs:+0:11: +0:11
let mut _1: std::option::Option<Empty>; // in scope 0 at $DIR/unreachable.rs:+1:23: +1:30
let mut _2: isize; // in scope 0 at $DIR/unreachable.rs:+1:12: +1:20
let _5: (); // in scope 0 at $DIR/unreachable.rs:+4:9: +8:10
let mut _6: bool; // in scope 0 at $DIR/unreachable.rs:+4:12: +4:16
let mut _7: !; // in scope 0 at $DIR/unreachable.rs:+10:9: +10:21
scope 1 {
debug _x => _3; // in scope 1 at $DIR/unreachable.rs:+1:17: +1:19
let _3: Empty; // in scope 1 at $DIR/unreachable.rs:+1:17: +1:19
let mut _4: i32; // in scope 1 at $DIR/unreachable.rs:+2:13: +2:19
scope 2 {
debug _y => _4; // in scope 2 at $DIR/unreachable.rs:+2:13: +2:19
}
}
bb0: {
StorageLive(_1); // scope 1 at $DIR/unreachable.rs:+1:23: +1:30
_1 = empty() -> bb1; // scope 1 at $DIR/unreachable.rs:+1:23: +1:30
// mir::Constant
// + span: $DIR/unreachable.rs:9:23: 9:28
// + literal: Const { ty: fn() -> Option<Empty> {empty}, val: Value(<ZST>) }
}
bb1: {
_2 = discriminant(_1); // scope 1 at $DIR/unreachable.rs:+1:12: +1:20
- switchInt(move _2) -> [1_isize: bb2, otherwise: bb6]; // scope 1 at $DIR/unreachable.rs:+1:12: +1:20
+ goto -> bb2; // scope 1 at $DIR/unreachable.rs:+1:12: +1:20
}
bb2: {
- StorageLive(_3); // scope 1 at $DIR/unreachable.rs:+1:17: +1:19
- _3 = move ((_1 as Some).0: Empty); // scope 1 at $DIR/unreachable.rs:+1:17: +1:19
- StorageLive(_4); // scope 1 at $DIR/unreachable.rs:+2:13: +2:19
- StorageLive(_5); // scope 2 at $DIR/unreachable.rs:+4:9: +8:10
- StorageLive(_6); // scope 2 at $DIR/unreachable.rs:+4:12: +4:16
- _6 = const true; // scope 2 at $DIR/unreachable.rs:+4:12: +4:16
- switchInt(move _6) -> [false: bb4, otherwise: bb3]; // scope 2 at $DIR/unreachable.rs:+4:12: +4:16
- }
-
- bb3: {
- _4 = const 21_i32; // scope 2 at $DIR/unreachable.rs:+5:13: +5:20
- _5 = const (); // scope 2 at $DIR/unreachable.rs:+4:17: +6:10
- goto -> bb5; // scope 2 at $DIR/unreachable.rs:+4:9: +8:10
- }
-
- bb4: {
- _4 = const 42_i32; // scope 2 at $DIR/unreachable.rs:+7:13: +7:20
- _5 = const (); // scope 2 at $DIR/unreachable.rs:+6:16: +8:10
- goto -> bb5; // scope 2 at $DIR/unreachable.rs:+4:9: +8:10
- }
-
- bb5: {
- StorageDead(_6); // scope 2 at $DIR/unreachable.rs:+8:9: +8:10
- StorageDead(_5); // scope 2 at $DIR/unreachable.rs:+8:9: +8:10
- StorageLive(_7); // scope 2 at $DIR/unreachable.rs:+10:9: +10:21
- unreachable; // scope 2 at $DIR/unreachable.rs:+10:15: +10:17
- }
-
- bb6: {
_0 = const (); // scope 0 at $DIR/unreachable.rs:+11:6: +11:6
StorageDead(_1); // scope 0 at $DIR/unreachable.rs:+12:1: +12:2
return; // scope 0 at $DIR/unreachable.rs:+12:2: +12:2
}
}
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