| - // MIR for `map` before SimplifyLocals |
| + // MIR for `map` after SimplifyLocals |
| |
| fn map(_1: std::option::Option<std::boxed::Box<()>>) -> std::option::Option<std::boxed::Box<()>> { |
| debug x => _1; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:1:8: 1:9 |
| let mut _0: std::option::Option<std::boxed::Box<()>>; // return place in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:1:31: 1:46 |
| let mut _2: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13 |
| - let _3: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:14: 4:15 |
| - let mut _4: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:25: 4:26 |
| - let mut _5: bool; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2 |
| - let mut _6: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2 |
| - let mut _7: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2 |
| scope 1 { |
| debug x => ((_0 as Some).0: std::boxed::Box<()>); // in scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:14: 4:15 |
| } |
| |
| bb0: { |
| - _5 = const false; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13 |
| - // ty::Const |
| - // + ty: bool |
| - // + val: Value(Scalar(0x00)) |
| - // mir::Constant |
| - // + span: $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13 |
| - // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } |
| - _5 = const true; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13 |
| - // ty::Const |
| - // + ty: bool |
| - // + val: Value(Scalar(0x01)) |
| - // mir::Constant |
| - // + span: $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13 |
| - // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } |
| _2 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13 |
| switchInt(move _2) -> [0_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13 |
| } |
| |
| bb1: { |
| _0 = move _1; // scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:20: 4:27 |
| goto -> bb3; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:2:5: 5:6 |
| } |
| |
| bb2: { |
| _0 = const std::option::Option::<std::boxed::Box<()>>::None; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:17: 3:21 |
| // ty::Const |
| // + ty: std::option::Option<std::boxed::Box<()>> |
| // + val: Value(Scalar(0x00000000)) |
| // mir::Constant |
| // + span: $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:17: 3:21 |
| // + literal: Const { ty: std::option::Option<std::boxed::Box<()>>, val: Value(Scalar(0x00000000)) } |
| goto -> bb3; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:2:5: 5:6 |
| } |
| |
| bb3: { |
| - _6 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2 |
| return; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:2: 6:2 |
| } |
| } |
| |