tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff

   1 - // MIR for `main` before ConstProp
   2 + // MIR for `main` after ConstProp
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/inherit_overflow.rs:+0:11: +0:11
   6       let mut _1: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
   7       let mut _2: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
   8       let mut _3: u8;                      // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
   9       scope 1 {
  10       }
  11       scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:8:13: 8:47
  12           debug self => _2;                // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  13           debug other => _3;               // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  14           let mut _4: (u8, bool);          // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  15       }
  16
  17       bb0: {
  18           StorageLive(_1);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
  19           StorageLive(_2);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
  20           _2 = const u8::MAX;              // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
  21           StorageLive(_3);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
  22           _3 = const 1_u8;                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
  23 -         _4 = CheckedAdd(_2, _3);         // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  24 -         assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  25 +         _4 = const (0_u8, true);         // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  26 +         assert(!const true, "attempt to compute `{} + {}`, which would overflow", _2, _3) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  27       }
  28
  29       bb1: {
  30 -         _1 = move (_4.0: u8);            // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  31 +         _1 = const 0_u8;                 // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL
  32           StorageDead(_3);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
  33           StorageDead(_2);                 // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47
  34           StorageDead(_1);                 // scope 0 at $DIR/inherit_overflow.rs:+3:47: +3:48
  35           _0 = const ();                   // scope 0 at $DIR/inherit_overflow.rs:+0:11: +4:2
  36           return;                          // scope 0 at $DIR/inherit_overflow.rs:+4:2: +4:2
  37       }
  38   }
  39