summaryrefslogtreecommitdiffstats
path: root/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir
blob: 836fa2677b18a7e45394a523d4307f2702e84ee7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
// MIR for `enumerated_loop` after PreCodegen

fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
    debug slice => _1;
    debug f => _2;
    let mut _0: ();
    let mut _13: std::slice::Iter<'_, T>;
    let mut _14: std::iter::Enumerate<std::slice::Iter<'_, T>>;
    let mut _15: std::iter::Enumerate<std::slice::Iter<'_, T>>;
    let mut _16: &mut std::iter::Enumerate<std::slice::Iter<'_, T>>;
    let mut _17: std::option::Option<(usize, &T)>;
    let mut _18: isize;
    let mut _21: &impl Fn(usize, &T);
    let mut _22: (usize, &T);
    let _23: ();
    scope 1 {
        debug iter => _15;
        let _19: usize;
        let _20: &T;
        scope 2 {
            debug i => _19;
            debug x => _20;
        }
    }
    scope 3 (inlined core::slice::<impl [T]>::iter) {
        debug self => _1;
        scope 4 (inlined std::slice::Iter::<'_, T>::new) {
            debug slice => _1;
            let _4: *const T;
            let mut _5: bool;
            let mut _6: usize;
            let mut _8: usize;
            let mut _9: *mut T;
            let mut _11: std::ptr::NonNull<T>;
            let mut _12: *const T;
            scope 5 {
                debug ptr => _4;
                scope 6 {
                    let _7: *const T;
                    scope 7 {
                        debug end_or_len => _7;
                        scope 13 (inlined NonNull::<T>::new_unchecked) {
                            debug ptr => _9;
                            let mut _10: *const T;
                            scope 14 {
                                scope 15 (inlined NonNull::<T>::new_unchecked::runtime::<T>) {
                                    debug ptr => _9;
                                    scope 16 (inlined ptr::mut_ptr::<impl *mut T>::is_null) {
                                        debug self => _9;
                                        let mut _24: *mut u8;
                                        scope 17 {
                                            scope 18 (inlined ptr::mut_ptr::<impl *mut T>::is_null::runtime_impl) {
                                                debug ptr => _24;
                                                scope 19 (inlined ptr::mut_ptr::<impl *mut u8>::addr) {
                                                    debug self => _24;
                                                    scope 20 {
                                                        scope 21 (inlined ptr::mut_ptr::<impl *mut u8>::cast::<()>) {
                                                            debug self => _24;
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                    scope 9 (inlined invalid::<T>) {
                        debug addr => _8;
                        scope 10 {
                        }
                    }
                    scope 11 (inlined ptr::const_ptr::<impl *const T>::add) {
                        debug self => _4;
                        debug count => _6;
                        scope 12 {
                        }
                    }
                }
            }
            scope 8 (inlined core::slice::<impl [T]>::as_ptr) {
                debug self => _1;
                let mut _3: *const [T];
            }
        }
    }
    scope 22 (inlined <std::slice::Iter<'_, T> as Iterator>::enumerate) {
        debug self => _13;
        scope 23 (inlined Enumerate::<std::slice::Iter<'_, T>>::new) {
            debug iter => _13;
        }
    }
    scope 24 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
        debug self => _14;
    }

    bb0: {
        StorageLive(_13);
        StorageLive(_4);
        StorageLive(_3);
        _3 = &raw const (*_1);
        _4 = move _3 as *const T (PtrToPtr);
        StorageDead(_3);
        StorageLive(_7);
        StorageLive(_5);
        _5 = const _;
        switchInt(move _5) -> [0: bb1, otherwise: bb2];
    }

    bb1: {
        StorageLive(_6);
        _6 = Len((*_1));
        _7 = Offset(_4, _6);
        StorageDead(_6);
        goto -> bb3;
    }

    bb2: {
        StorageLive(_8);
        _8 = Len((*_1));
        _7 = _8 as *const T (Transmute);
        StorageDead(_8);
        goto -> bb3;
    }

    bb3: {
        StorageDead(_5);
        StorageLive(_11);
        StorageLive(_9);
        _9 = _4 as *mut T (PtrToPtr);
        StorageLive(_10);
        StorageLive(_24);
        _10 = _9 as *const T (PointerCoercion(MutToConstPointer));
        _11 = NonNull::<T> { pointer: _10 };
        StorageDead(_24);
        StorageDead(_10);
        StorageDead(_9);
        StorageLive(_12);
        _12 = _7;
        _13 = std::slice::Iter::<'_, T> { ptr: move _11, end_or_len: move _12, _marker: const ZeroSized: PhantomData<&T> };
        StorageDead(_12);
        StorageDead(_11);
        StorageDead(_7);
        StorageDead(_4);
        _14 = Enumerate::<std::slice::Iter<'_, T>> { iter: move _13, count: const 0_usize };
        StorageDead(_13);
        StorageLive(_15);
        _15 = move _14;
        goto -> bb4;
    }

    bb4: {
        StorageLive(_17);
        StorageLive(_16);
        _16 = &mut _15;
        _17 = <Enumerate<std::slice::Iter<'_, T>> as Iterator>::next(move _16) -> [return: bb5, unwind: bb11];
    }

    bb5: {
        StorageDead(_16);
        _18 = discriminant(_17);
        switchInt(move _18) -> [0: bb6, 1: bb8, otherwise: bb10];
    }

    bb6: {
        StorageDead(_17);
        StorageDead(_15);
        drop(_2) -> [return: bb7, unwind continue];
    }

    bb7: {
        return;
    }

    bb8: {
        _19 = (((_17 as Some).0: (usize, &T)).0: usize);
        _20 = (((_17 as Some).0: (usize, &T)).1: &T);
        StorageLive(_21);
        _21 = &_2;
        StorageLive(_22);
        _22 = (_19, _20);
        _23 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _21, move _22) -> [return: bb9, unwind: bb11];
    }

    bb9: {
        StorageDead(_22);
        StorageDead(_21);
        StorageDead(_17);
        goto -> bb4;
    }

    bb10: {
        unreachable;
    }

    bb11 (cleanup): {
        drop(_2) -> [return: bb12, unwind terminate];
    }

    bb12 (cleanup): {
        resume;
    }
}