New upstream version 1.67.1+dfsg1

[rustc.git] / src / test / mir-opt / match_test.main.SimplifyCfg-initial.after.mir

// MIR for `main` after SimplifyCfg-initial

fn main() -> () {
    let mut _0: ();                      // return place in scope 0 at $DIR/match_test.rs:+0:11: +0:11
    let _1: i32;                         // in scope 0 at $DIR/match_test.rs:+1:9: +1:10
    let _3: i32;                         // in scope 0 at $DIR/match_test.rs:+6:5: +11:6
    let mut _4: bool;                    // in scope 0 at $DIR/match_test.rs:+8:9: +8:16
    let mut _5: bool;                    // in scope 0 at $DIR/match_test.rs:+8:9: +8:16
    let mut _6: bool;                    // in scope 0 at $DIR/match_test.rs:+7:9: +7:14
    let mut _7: bool;                    // in scope 0 at $DIR/match_test.rs:+7:9: +7:14
    let mut _8: &i32;                    // in scope 0 at $DIR/match_test.rs:+6:11: +6:12
    let mut _9: bool;                    // in scope 0 at $DIR/match_test.rs:+7:18: +7:19
    scope 1 {
        debug x => _1;                   // in scope 1 at $DIR/match_test.rs:+1:9: +1:10
        let _2: bool;                    // in scope 1 at $DIR/match_test.rs:+2:9: +2:10
        scope 2 {
            debug b => _2;               // in scope 2 at $DIR/match_test.rs:+2:9: +2:10
        }
    }

    bb0: {
        StorageLive(_1);                 // scope 0 at $DIR/match_test.rs:+1:9: +1:10
        _1 = const 3_i32;                // scope 0 at $DIR/match_test.rs:+1:13: +1:14
        FakeRead(ForLet(None), _1);      // scope 0 at $DIR/match_test.rs:+1:9: +1:10
        StorageLive(_2);                 // scope 1 at $DIR/match_test.rs:+2:9: +2:10
        _2 = const true;                 // scope 1 at $DIR/match_test.rs:+2:13: +2:17
        FakeRead(ForLet(None), _2);      // scope 1 at $DIR/match_test.rs:+2:9: +2:10
        StorageLive(_3);                 // scope 2 at $DIR/match_test.rs:+6:5: +11:6
        FakeRead(ForMatchedPlace(None), _1); // scope 2 at $DIR/match_test.rs:+6:11: +6:12
        _6 = Le(const 0_i32, _1);        // scope 2 at $DIR/match_test.rs:+7:9: +7:14
        switchInt(move _6) -> [false: bb4, otherwise: bb1]; // scope 2 at $DIR/match_test.rs:+7:9: +7:14
    }

    bb1: {
        _7 = Lt(_1, const 10_i32);       // scope 2 at $DIR/match_test.rs:+7:9: +7:14
        switchInt(move _7) -> [false: bb4, otherwise: bb2]; // scope 2 at $DIR/match_test.rs:+7:9: +7:14
    }

    bb2: {
        falseEdge -> [real: bb9, imaginary: bb6]; // scope 2 at $DIR/match_test.rs:+7:9: +7:14
    }

    bb3: {
        _3 = const 3_i32;                // scope 2 at $DIR/match_test.rs:+10:14: +10:15
        goto -> bb14;                    // scope 2 at $DIR/match_test.rs:+10:14: +10:15
    }

    bb4: {
        _4 = Le(const 10_i32, _1);       // scope 2 at $DIR/match_test.rs:+8:9: +8:16
        switchInt(move _4) -> [false: bb7, otherwise: bb5]; // scope 2 at $DIR/match_test.rs:+8:9: +8:16
    }

    bb5: {
        _5 = Le(_1, const 20_i32);       // scope 2 at $DIR/match_test.rs:+8:9: +8:16
        switchInt(move _5) -> [false: bb7, otherwise: bb6]; // scope 2 at $DIR/match_test.rs:+8:9: +8:16
    }

    bb6: {
        falseEdge -> [real: bb12, imaginary: bb8]; // scope 2 at $DIR/match_test.rs:+8:9: +8:16
    }

    bb7: {
        switchInt(_1) -> [-1_i32: bb8, otherwise: bb3]; // scope 2 at $DIR/match_test.rs:+6:5: +6:12
    }

    bb8: {
        falseEdge -> [real: bb13, imaginary: bb3]; // scope 2 at $DIR/match_test.rs:+9:9: +9:11
    }

    bb9: {
        _8 = &shallow _1;                // scope 2 at $DIR/match_test.rs:+6:11: +6:12
        StorageLive(_9);                 // scope 2 at $DIR/match_test.rs:+7:18: +7:19
        _9 = _2;                         // scope 2 at $DIR/match_test.rs:+7:18: +7:19
        switchInt(move _9) -> [false: bb11, otherwise: bb10]; // scope 2 at $DIR/match_test.rs:+7:18: +7:19
    }

    bb10: {
        StorageDead(_9);                 // scope 2 at $DIR/match_test.rs:+7:18: +7:19
        FakeRead(ForMatchGuard, _8);     // scope 2 at $DIR/match_test.rs:+7:18: +7:19
        _3 = const 0_i32;                // scope 2 at $DIR/match_test.rs:+7:23: +7:24
        goto -> bb14;                    // scope 2 at $DIR/match_test.rs:+7:23: +7:24
    }

    bb11: {
        StorageDead(_9);                 // scope 2 at $DIR/match_test.rs:+7:18: +7:19
        falseEdge -> [real: bb3, imaginary: bb6]; // scope 2 at $DIR/match_test.rs:+7:18: +7:19
    }

    bb12: {
        _3 = const 1_i32;                // scope 2 at $DIR/match_test.rs:+8:20: +8:21
        goto -> bb14;                    // scope 2 at $DIR/match_test.rs:+8:20: +8:21
    }

    bb13: {
        _3 = const 2_i32;                // scope 2 at $DIR/match_test.rs:+9:15: +9:16
        goto -> bb14;                    // scope 2 at $DIR/match_test.rs:+9:15: +9:16
    }

    bb14: {
        StorageDead(_3);                 // scope 2 at $DIR/match_test.rs:+11:6: +11:7
        _0 = const ();                   // scope 0 at $DIR/match_test.rs:+0:11: +12:2
        StorageDead(_2);                 // scope 1 at $DIR/match_test.rs:+12:1: +12:2
        StorageDead(_1);                 // scope 0 at $DIR/match_test.rs:+12:1: +12:2
        return;                          // scope 0 at $DIR/match_test.rs:+12:2: +12:2
    }
}