rust/src/test/mir-opt/lower_array_len_e2e.array_bound_mut.PreCodegen.after.mir

// MIR for `array_bound_mut` after PreCodegen

fn array_bound_mut(_1: usize, _2: &mut [u8; N]) -> u8 {
    debug index => _1;                   // in scope 0 at $DIR/lower_array_len_e2e.rs:+0:40: +0:45
    debug slice => _2;                   // in scope 0 at $DIR/lower_array_len_e2e.rs:+0:54: +0:59
    let mut _0: u8;                      // return place in scope 0 at $DIR/lower_array_len_e2e.rs:+0:78: +0:80
    let mut _3: bool;                    // in scope 0 at $DIR/lower_array_len_e2e.rs:+1:8: +1:27
    let mut _4: usize;                   // in scope 0 at $DIR/lower_array_len_e2e.rs:+1:8: +1:13
    let mut _5: usize;                   // in scope 0 at $DIR/lower_array_len_e2e.rs:+1:16: +1:27
    let mut _6: usize;                   // in scope 0 at $DIR/lower_array_len_e2e.rs:+2:9: +2:21
    let mut _7: bool;                    // in scope 0 at $DIR/lower_array_len_e2e.rs:+2:9: +2:21
    let _8: usize;                       // in scope 0 at $DIR/lower_array_len_e2e.rs:+4:15: +4:16
    let mut _9: usize;                   // in scope 0 at $DIR/lower_array_len_e2e.rs:+4:9: +4:17
    let mut _10: bool;                   // in scope 0 at $DIR/lower_array_len_e2e.rs:+4:9: +4:17

    bb0: {
        StorageLive(_3);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+1:8: +1:27
        StorageLive(_4);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+1:8: +1:13
        _4 = _1;                         // scope 0 at $DIR/lower_array_len_e2e.rs:+1:8: +1:13
        StorageLive(_5);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+1:16: +1:27
        _5 = const N;                    // scope 0 at $DIR/lower_array_len_e2e.rs:+1:16: +1:27
        _3 = Lt(move _4, move _5);       // scope 0 at $DIR/lower_array_len_e2e.rs:+1:8: +1:27
        StorageDead(_5);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+1:26: +1:27
        StorageDead(_4);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+1:26: +1:27
        switchInt(move _3) -> [0: bb3, otherwise: bb1]; // scope 0 at $DIR/lower_array_len_e2e.rs:+1:8: +1:27
    }

    bb1: {
        _6 = const N;                    // scope 0 at $DIR/lower_array_len_e2e.rs:+2:9: +2:21
        _7 = Lt(_1, _6);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+2:9: +2:21
        assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, _1) -> bb2; // scope 0 at $DIR/lower_array_len_e2e.rs:+2:9: +2:21
    }

    bb2: {
        _0 = (*_2)[_1];                  // scope 0 at $DIR/lower_array_len_e2e.rs:+2:9: +2:21
        goto -> bb5;                     // scope 0 at $DIR/lower_array_len_e2e.rs:+1:5: +7:6
    }

    bb3: {
        StorageLive(_8);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+4:15: +4:16
        _8 = const 0_usize;              // scope 0 at $DIR/lower_array_len_e2e.rs:+4:15: +4:16
        _9 = const N;                    // scope 0 at $DIR/lower_array_len_e2e.rs:+4:9: +4:17
        _10 = Lt(const 0_usize, _9);     // scope 0 at $DIR/lower_array_len_e2e.rs:+4:9: +4:17
        assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, const 0_usize) -> bb4; // scope 0 at $DIR/lower_array_len_e2e.rs:+4:9: +4:17
    }

    bb4: {
        (*_2)[_8] = const 42_u8;         // scope 0 at $DIR/lower_array_len_e2e.rs:+4:9: +4:22
        StorageDead(_8);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+4:22: +4:23
        _0 = const 42_u8;                // scope 0 at $DIR/lower_array_len_e2e.rs:+6:9: +6:11
        goto -> bb5;                     // scope 0 at $DIR/lower_array_len_e2e.rs:+1:5: +7:6
    }

    bb5: {
        StorageDead(_3);                 // scope 0 at $DIR/lower_array_len_e2e.rs:+7:5: +7:6
        return;                          // scope 0 at $DIR/lower_array_len_e2e.rs:+8:2: +8:2
    }
}