| - // MIR for `main` before UnreachablePropagation |
| + // MIR for `main` after UnreachablePropagation |
| |
| fn main() -> () { |
| let mut _0: (); // return place in scope 0 at $DIR/unreachable.rs:8:11: 8:11 |
| let mut _1: std::option::Option<Empty>; // in scope 0 at $DIR/unreachable.rs:9:23: 9:30 |
| let mut _2: isize; // in scope 0 at $DIR/unreachable.rs:9:12: 9:20 |
| let _3: Empty; // in scope 0 at $DIR/unreachable.rs:9:17: 9:19 |
| let _5: (); // in scope 0 at $DIR/unreachable.rs:12:9: 16:10 |
| let mut _6: bool; // in scope 0 at $DIR/unreachable.rs:12:12: 12:16 |
| let mut _7: !; // in scope 0 at $DIR/unreachable.rs:18:9: 18:21 |
| scope 1 { |
| debug _x => _3; // in scope 1 at $DIR/unreachable.rs:9:17: 9:19 |
| let mut _4: i32; // in scope 1 at $DIR/unreachable.rs:10:13: 10:19 |
| scope 2 { |
| debug _y => _4; // in scope 2 at $DIR/unreachable.rs:10:13: 10:19 |
| } |
| } |
| |
| bb0: { |
| StorageLive(_1); // scope 0 at $DIR/unreachable.rs:9:23: 9:30 |
| _1 = empty() -> bb1; // scope 0 at $DIR/unreachable.rs:9:23: 9:30 |
| // mir::Constant |
| // + span: $DIR/unreachable.rs:9:23: 9:28 |
| // + literal: Const { ty: fn() -> std::option::Option<Empty> {empty}, val: Value(Scalar(<ZST>)) } |
| } |
| |
| bb1: { |
| _2 = discriminant(_1); // scope 0 at $DIR/unreachable.rs:9:12: 9:20 |
| - switchInt(move _2) -> [1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/unreachable.rs:9:12: 9:20 |
| + goto -> bb2; // scope 0 at $DIR/unreachable.rs:9:12: 9:20 |
| } |
| |
| bb2: { |
| _0 = const (); // scope 0 at $DIR/unreachable.rs:19:6: 19:6 |
| StorageDead(_1); // scope 0 at $DIR/unreachable.rs:20:1: 20:2 |
| return; // scope 0 at $DIR/unreachable.rs:20:2: 20:2 |
| - } |
| - |
| - bb3: { |
| - StorageLive(_3); // scope 0 at $DIR/unreachable.rs:9:17: 9:19 |
| - _3 = move ((_1 as Some).0: Empty); // scope 0 at $DIR/unreachable.rs:9:17: 9:19 |
| - StorageLive(_4); // scope 1 at $DIR/unreachable.rs:10:13: 10:19 |
| - StorageLive(_5); // scope 2 at $DIR/unreachable.rs:12:9: 16:10 |
| - StorageLive(_6); // scope 2 at $DIR/unreachable.rs:12:12: 12:16 |
| - _6 = const true; // scope 2 at $DIR/unreachable.rs:12:12: 12:16 |
| - switchInt(move _6) -> [false: bb5, otherwise: bb4]; // scope 2 at $DIR/unreachable.rs:12:9: 16:10 |
| - } |
| - |
| - bb4: { |
| - _4 = const 21_i32; // scope 2 at $DIR/unreachable.rs:13:13: 13:20 |
| - _5 = const (); // scope 2 at $DIR/unreachable.rs:12:17: 14:10 |
| - goto -> bb6; // scope 2 at $DIR/unreachable.rs:12:9: 16:10 |
| - } |
| - |
| - bb5: { |
| - _4 = const 42_i32; // scope 2 at $DIR/unreachable.rs:15:13: 15:20 |
| - _5 = const (); // scope 2 at $DIR/unreachable.rs:14:16: 16:10 |
| - goto -> bb6; // scope 2 at $DIR/unreachable.rs:12:9: 16:10 |
| - } |
| - |
| - bb6: { |
| - StorageDead(_6); // scope 2 at $DIR/unreachable.rs:16:9: 16:10 |
| - StorageDead(_5); // scope 2 at $DIR/unreachable.rs:16:9: 16:10 |
| - StorageLive(_7); // scope 2 at $DIR/unreachable.rs:18:9: 18:21 |
| - unreachable; // scope 2 at $DIR/unreachable.rs:18:15: 18:17 |
| } |
| } |
| |