tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff

   1 - // MIR for `main` before DataflowConstProp
   2 + // MIR for `main` after DataflowConstProp
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/checked.rs:+0:11: +0:11
   6       let _1: i32;                         // in scope 0 at $DIR/checked.rs:+1:9: +1:10
   7       let mut _4: i32;                     // in scope 0 at $DIR/checked.rs:+3:13: +3:14
   8       let mut _5: i32;                     // in scope 0 at $DIR/checked.rs:+3:17: +3:18
   9       let mut _6: (i32, bool);             // in scope 0 at $DIR/checked.rs:+3:13: +3:18
  10       let mut _9: i32;                     // in scope 0 at $DIR/checked.rs:+6:13: +6:14
  11       let mut _10: (i32, bool);            // in scope 0 at $DIR/checked.rs:+6:13: +6:18
  12       scope 1 {
  13           debug a => _1;                   // in scope 1 at $DIR/checked.rs:+1:9: +1:10
  14           let _2: i32;                     // in scope 1 at $DIR/checked.rs:+2:9: +2:10
  15           scope 2 {
  16               debug b => _2;               // in scope 2 at $DIR/checked.rs:+2:9: +2:10
  17               let _3: i32;                 // in scope 2 at $DIR/checked.rs:+3:9: +3:10
  18               scope 3 {
  19                   debug c => _3;           // in scope 3 at $DIR/checked.rs:+3:9: +3:10
  20                   let _7: i32;             // in scope 3 at $DIR/checked.rs:+5:9: +5:10
  21                   scope 4 {
  22                       debug d => _7;       // in scope 4 at $DIR/checked.rs:+5:9: +5:10
  23                       let _8: i32;         // in scope 4 at $DIR/checked.rs:+6:9: +6:10
  24                       scope 5 {
  25                           debug e => _8;   // in scope 5 at $DIR/checked.rs:+6:9: +6:10
  26                       }
  27                   }
  28               }
  29           }
  30       }
  31
  32       bb0: {
  33           StorageLive(_1);                 // scope 0 at $DIR/checked.rs:+1:9: +1:10
  34           _1 = const 1_i32;                // scope 0 at $DIR/checked.rs:+1:13: +1:14
  35           StorageLive(_2);                 // scope 1 at $DIR/checked.rs:+2:9: +2:10
  36           _2 = const 2_i32;                // scope 1 at $DIR/checked.rs:+2:13: +2:14
  37           StorageLive(_3);                 // scope 2 at $DIR/checked.rs:+3:9: +3:10
  38           StorageLive(_4);                 // scope 2 at $DIR/checked.rs:+3:13: +3:14
  39 -         _4 = _1;                         // scope 2 at $DIR/checked.rs:+3:13: +3:14
  40 +         _4 = const 1_i32;                // scope 2 at $DIR/checked.rs:+3:13: +3:14
  41           StorageLive(_5);                 // scope 2 at $DIR/checked.rs:+3:17: +3:18
  42 -         _5 = _2;                         // scope 2 at $DIR/checked.rs:+3:17: +3:18
  43 -         _6 = CheckedAdd(_4, _5);         // scope 2 at $DIR/checked.rs:+3:13: +3:18
  44 -         assert(!move (_6.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, move _5) -> bb1; // scope 2 at $DIR/checked.rs:+3:13: +3:18
  45 +         _5 = const 2_i32;                // scope 2 at $DIR/checked.rs:+3:17: +3:18
  46 +         _6 = CheckedAdd(const 1_i32, const 2_i32); // scope 2 at $DIR/checked.rs:+3:13: +3:18
  47 +         assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_i32, const 2_i32) -> bb1; // scope 2 at $DIR/checked.rs:+3:13: +3:18
  48       }
  49
  50       bb1: {
  51 -         _3 = move (_6.0: i32);           // scope 2 at $DIR/checked.rs:+3:13: +3:18
  52 +         _3 = const 3_i32;                // scope 2 at $DIR/checked.rs:+3:13: +3:18
  53           StorageDead(_5);                 // scope 2 at $DIR/checked.rs:+3:17: +3:18
  54           StorageDead(_4);                 // scope 2 at $DIR/checked.rs:+3:17: +3:18
  55           StorageLive(_7);                 // scope 3 at $DIR/checked.rs:+5:9: +5:10
  56           _7 = const _;                    // scope 3 at $DIR/checked.rs:+5:13: +5:21
  57           StorageLive(_8);                 // scope 4 at $DIR/checked.rs:+6:9: +6:10
  58           StorageLive(_9);                 // scope 4 at $DIR/checked.rs:+6:13: +6:14
  59 -         _9 = _7;                         // scope 4 at $DIR/checked.rs:+6:13: +6:14
  60 -         _10 = CheckedAdd(_9, const 1_i32); // scope 4 at $DIR/checked.rs:+6:13: +6:18
  61 -         assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> bb2; // scope 4 at $DIR/checked.rs:+6:13: +6:18
  62 +         _9 = const i32::MAX;             // scope 4 at $DIR/checked.rs:+6:13: +6:14
  63 +         _10 = CheckedAdd(const i32::MAX, const 1_i32); // scope 4 at $DIR/checked.rs:+6:13: +6:18
  64 +         assert(!const true, "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> bb2; // scope 4 at $DIR/checked.rs:+6:13: +6:18
  65       }
  66
  67       bb2: {
  68 -         _8 = move (_10.0: i32);          // scope 4 at $DIR/checked.rs:+6:13: +6:18
  69 +         _8 = const i32::MIN;             // scope 4 at $DIR/checked.rs:+6:13: +6:18
  70           StorageDead(_9);                 // scope 4 at $DIR/checked.rs:+6:17: +6:18
  71           _0 = const ();                   // scope 0 at $DIR/checked.rs:+0:11: +7:2
  72           StorageDead(_8);                 // scope 4 at $DIR/checked.rs:+7:1: +7:2
  73           StorageDead(_7);                 // scope 3 at $DIR/checked.rs:+7:1: +7:2
  74           StorageDead(_3);                 // scope 2 at $DIR/checked.rs:+7:1: +7:2
  75           StorageDead(_2);                 // scope 1 at $DIR/checked.rs:+7:1: +7:2
  76           StorageDead(_1);                 // scope 0 at $DIR/checked.rs:+7:1: +7:2
  77           return;                          // scope 0 at $DIR/checked.rs:+7:2: +7:2
  78       }
  79   }
  80