| - // 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:10:23: 10:28 |
| // + 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: bb2, otherwise: bb6]; // scope 1 at $DIR/unreachable.rs:+1:12: +1:20 |
| + switchInt(move _2) -> [1: bb2, otherwise: bb3]; // 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) -> [0: bb4, otherwise: bb3]; // scope 2 at $DIR/unreachable.rs:+4:12: +4:16 |
| + unreachable; // 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 |
| } |
| } |
| |