rust/tests/mir-opt/issue_99325.main.built.after.mir

// MIR for `main` after built

| User Type Annotations
| 0: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[22bb]::function_with_bytes), UserSubsts { substs: [Const { ty: &'static [u8; 4], kind: Branch([Leaf(0x41), Leaf(0x41), Leaf(0x41), Leaf(0x41)]) }], user_self_ty: None }), max_universe: U0, variables: [] }, span: $DIR/issue_99325.rs:10:16: 10:46, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">}
| 1: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[22bb]::function_with_bytes), UserSubsts { substs: [Const { ty: &'static [u8; 4], kind: Unevaluated([], DefId(0:8 ~ issue_99325[22bb]::main::{constant#1})) }], user_self_ty: None }), max_universe: U0, variables: [] }, span: $DIR/issue_99325.rs:11:16: 11:68, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">}
|
fn main() -> () {
    let mut _0: ();
    let _1: ();
    let mut _2: (&&[u8], &&[u8; 4]);
    let mut _3: &&[u8];
    let _4: &[u8];
    let mut _5: &&[u8; 4];
    let _6: &[u8; 4];
    let _7: [u8; 4];
    let _8: &&[u8];
    let _9: &&[u8; 4];
    let mut _10: bool;
    let mut _11: bool;
    let mut _12: &&[u8];
    let mut _13: &&[u8; 4];
    let mut _14: !;
    let _16: !;
    let mut _17: core::panicking::AssertKind;
    let mut _18: &&[u8];
    let _19: &&[u8];
    let mut _20: &&[u8; 4];
    let _21: &&[u8; 4];
    let mut _22: std::option::Option<std::fmt::Arguments<'_>>;
    let _23: ();
    let mut _24: (&&[u8], &&[u8; 4]);
    let mut _25: &&[u8];
    let _26: &[u8];
    let mut _27: &&[u8; 4];
    let _28: &[u8; 4];
    let _29: &&[u8];
    let _30: &&[u8; 4];
    let mut _31: bool;
    let mut _32: bool;
    let mut _33: &&[u8];
    let mut _34: &&[u8; 4];
    let mut _35: !;
    let _37: !;
    let mut _38: core::panicking::AssertKind;
    let mut _39: &&[u8];
    let _40: &&[u8];
    let mut _41: &&[u8; 4];
    let _42: &&[u8; 4];
    let mut _43: std::option::Option<std::fmt::Arguments<'_>>;
    scope 1 {
        debug left_val => _8;
        debug right_val => _9;
        let _15: core::panicking::AssertKind;
        scope 2 {
            debug kind => _15;
        }
    }
    scope 3 {
        debug left_val => _29;
        debug right_val => _30;
        let _36: core::panicking::AssertKind;
        scope 4 {
            debug kind => _36;
        }
    }

    bb0: {
        StorageLive(_1);
        StorageLive(_2);
        StorageLive(_3);
        StorageLive(_4);
        _4 = function_with_bytes::<&*b"AAAA">() -> [return: bb1, unwind: bb19];
    }

    bb1: {
        _3 = &_4;
        StorageLive(_5);
        StorageLive(_6);
        StorageLive(_7);
        _7 = [const 65_u8, const 65_u8, const 65_u8, const 65_u8];
        _6 = &_7;
        _5 = &_6;
        _2 = (move _3, move _5);
        StorageDead(_5);
        StorageDead(_3);
        FakeRead(ForMatchedPlace(None), _2);
        StorageLive(_8);
        _8 = (_2.0: &&[u8]);
        StorageLive(_9);
        _9 = (_2.1: &&[u8; 4]);
        StorageLive(_10);
        StorageLive(_11);
        StorageLive(_12);
        _12 = &(*_8);
        StorageLive(_13);
        _13 = &(*_9);
        _11 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _12, move _13) -> [return: bb2, unwind: bb19];
    }

    bb2: {
        StorageDead(_13);
        StorageDead(_12);
        _10 = Not(move _11);
        StorageDead(_11);
        switchInt(move _10) -> [0: bb4, otherwise: bb3];
    }

    bb3: {
        StorageLive(_15);
        _15 = core::panicking::AssertKind::Eq;
        FakeRead(ForLet(None), _15);
        StorageLive(_16);
        StorageLive(_17);
        _17 = move _15;
        StorageLive(_18);
        StorageLive(_19);
        _19 = &(*_8);
        _18 = &(*_19);
        StorageLive(_20);
        StorageLive(_21);
        _21 = &(*_9);
        _20 = &(*_21);
        StorageLive(_22);
        _22 = Option::<Arguments<'_>>::None;
        _16 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _17, move _18, move _20, move _22) -> bb19;
    }

    bb4: {
        goto -> bb7;
    }

    bb5: {
        StorageDead(_22);
        StorageDead(_20);
        StorageDead(_18);
        StorageDead(_17);
        StorageDead(_21);
        StorageDead(_19);
        StorageDead(_16);
        StorageDead(_15);
        unreachable;
    }

    bb6: {
        goto -> bb8;
    }

    bb7: {
        _1 = const ();
        goto -> bb8;
    }

    bb8: {
        StorageDead(_10);
        StorageDead(_9);
        StorageDead(_8);
        goto -> bb9;
    }

    bb9: {
        StorageDead(_7);
        StorageDead(_6);
        StorageDead(_4);
        StorageDead(_2);
        StorageDead(_1);
        StorageLive(_23);
        StorageLive(_24);
        StorageLive(_25);
        StorageLive(_26);
        _26 = function_with_bytes::<&*b"AAAA">() -> [return: bb10, unwind: bb19];
    }

    bb10: {
        _25 = &_26;
        StorageLive(_27);
        StorageLive(_28);
        _28 = const b"AAAA";
        _27 = &_28;
        _24 = (move _25, move _27);
        StorageDead(_27);
        StorageDead(_25);
        FakeRead(ForMatchedPlace(None), _24);
        StorageLive(_29);
        _29 = (_24.0: &&[u8]);
        StorageLive(_30);
        _30 = (_24.1: &&[u8; 4]);
        StorageLive(_31);
        StorageLive(_32);
        StorageLive(_33);
        _33 = &(*_29);
        StorageLive(_34);
        _34 = &(*_30);
        _32 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _33, move _34) -> [return: bb11, unwind: bb19];
    }

    bb11: {
        StorageDead(_34);
        StorageDead(_33);
        _31 = Not(move _32);
        StorageDead(_32);
        switchInt(move _31) -> [0: bb13, otherwise: bb12];
    }

    bb12: {
        StorageLive(_36);
        _36 = core::panicking::AssertKind::Eq;
        FakeRead(ForLet(None), _36);
        StorageLive(_37);
        StorageLive(_38);
        _38 = move _36;
        StorageLive(_39);
        StorageLive(_40);
        _40 = &(*_29);
        _39 = &(*_40);
        StorageLive(_41);
        StorageLive(_42);
        _42 = &(*_30);
        _41 = &(*_42);
        StorageLive(_43);
        _43 = Option::<Arguments<'_>>::None;
        _37 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _38, move _39, move _41, move _43) -> bb19;
    }

    bb13: {
        goto -> bb16;
    }

    bb14: {
        StorageDead(_43);
        StorageDead(_41);
        StorageDead(_39);
        StorageDead(_38);
        StorageDead(_42);
        StorageDead(_40);
        StorageDead(_37);
        StorageDead(_36);
        unreachable;
    }

    bb15: {
        goto -> bb17;
    }

    bb16: {
        _23 = const ();
        goto -> bb17;
    }

    bb17: {
        StorageDead(_31);
        StorageDead(_30);
        StorageDead(_29);
        goto -> bb18;
    }

    bb18: {
        StorageDead(_28);
        StorageDead(_26);
        StorageDead(_24);
        StorageDead(_23);
        _0 = const ();
        return;
    }

    bb19 (cleanup): {
        resume;
    }
}

alloc4 (size: 4, align: 1) {
    41 41 41 41                                     │ AAAA
}