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1- // MIR for `unchecked` before LowerIntrinsics
2+ // MIR for `unchecked` after LowerIntrinsics
3
4  fn unchecked(_1: i32, _2: i32) -> () {
5      debug a => _1;
6      debug b => _2;
7      let mut _0: ();
8      let _3: i32;
9      let mut _4: i32;
10      let mut _5: i32;
11      let mut _7: i32;
12      let mut _8: i32;
13      let mut _10: i32;
14      let mut _11: i32;
15      let mut _13: i32;
16      let mut _14: i32;
17      let mut _16: i32;
18      let mut _17: i32;
19      let mut _19: i32;
20      let mut _20: i32;
21      let mut _22: i32;
22      let mut _23: i32;
23      scope 1 {
24          debug _a => _3;
25          let _6: i32;
26          scope 2 {
27              debug _b => _6;
28              let _9: i32;
29              scope 3 {
30                  debug _c => _9;
31                  let _12: i32;
32                  scope 4 {
33                      debug _x => _12;
34                      let _15: i32;
35                      scope 5 {
36                          debug _y => _15;
37                          let _18: i32;
38                          scope 6 {
39                              debug _i => _18;
40                              let _21: i32;
41                              scope 7 {
42                                  debug _j => _21;
43                              }
44                          }
45                      }
46                  }
47              }
48          }
49      }
50
51      bb0: {
52          StorageLive(_3);
53          StorageLive(_4);
54          _4 = _1;
55          StorageLive(_5);
56          _5 = _2;
57-         _3 = unchecked_add::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable];
58+         _3 = AddUnchecked(move _4, move _5);
59+         goto -> bb1;
60      }
61
62      bb1: {
63          StorageDead(_5);
64          StorageDead(_4);
65          StorageLive(_6);
66          StorageLive(_7);
67          _7 = _1;
68          StorageLive(_8);
69          _8 = _2;
70-         _6 = unchecked_sub::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable];
71+         _6 = SubUnchecked(move _7, move _8);
72+         goto -> bb2;
73      }
74
75      bb2: {
76          StorageDead(_8);
77          StorageDead(_7);
78          StorageLive(_9);
79          StorageLive(_10);
80          _10 = _1;
81          StorageLive(_11);
82          _11 = _2;
83-         _9 = unchecked_mul::<i32>(move _10, move _11) -> [return: bb3, unwind unreachable];
84+         _9 = MulUnchecked(move _10, move _11);
85+         goto -> bb3;
86      }
87
88      bb3: {
89          StorageDead(_11);
90          StorageDead(_10);
91          StorageLive(_12);
92          StorageLive(_13);
93          _13 = _1;
94          StorageLive(_14);
95          _14 = _2;
96-         _12 = unchecked_div::<i32>(move _13, move _14) -> [return: bb4, unwind unreachable];
97+         _12 = Div(move _13, move _14);
98+         goto -> bb4;
99      }
100
101      bb4: {
102          StorageDead(_14);
103          StorageDead(_13);
104          StorageLive(_15);
105          StorageLive(_16);
106          _16 = _1;
107          StorageLive(_17);
108          _17 = _2;
109-         _15 = unchecked_rem::<i32>(move _16, move _17) -> [return: bb5, unwind unreachable];
110+         _15 = Rem(move _16, move _17);
111+         goto -> bb5;
112      }
113
114      bb5: {
115          StorageDead(_17);
116          StorageDead(_16);
117          StorageLive(_18);
118          StorageLive(_19);
119          _19 = _1;
120          StorageLive(_20);
121          _20 = _2;
122-         _18 = unchecked_shl::<i32>(move _19, move _20) -> [return: bb6, unwind unreachable];
123+         _18 = ShlUnchecked(move _19, move _20);
124+         goto -> bb6;
125      }
126
127      bb6: {
128          StorageDead(_20);
129          StorageDead(_19);
130          StorageLive(_21);
131          StorageLive(_22);
132          _22 = _1;
133          StorageLive(_23);
134          _23 = _2;
135-         _21 = unchecked_shr::<i32>(move _22, move _23) -> [return: bb7, unwind unreachable];
136+         _21 = ShrUnchecked(move _22, move _23);
137+         goto -> bb7;
138      }
139
140      bb7: {
141          StorageDead(_23);
142          StorageDead(_22);
143          _0 = const ();
144          StorageDead(_21);
145          StorageDead(_18);
146          StorageDead(_15);
147          StorageDead(_12);
148          StorageDead(_9);
149          StorageDead(_6);
150          StorageDead(_3);
151          return;
152      }
153  }
154
155