rust/tests/mir-opt/issue_101973.inner.ConstProp.diff

- // MIR for `inner` before ConstProp
+ // MIR for `inner` after ConstProp
  
  fn inner(_1: u32) -> i64 {
      debug fields => _1;                  // in scope 0 at $DIR/issue_101973.rs:+0:14: +0:20
      let mut _0: i64;                     // return place in scope 0 at $DIR/issue_101973.rs:+0:30: +0:33
      let mut _2: i32;                     // in scope 0 at $DIR/issue_101973.rs:+1:5: +1:65
      let mut _3: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:5: +1:58
      let mut _4: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:5: +1:17
      let mut _5: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:10: +1:16
      let mut _6: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
      let mut _7: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:31: +1:52
      let mut _8: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
      let mut _9: u32;                     // in scope 0 at $DIR/issue_101973.rs:+1:33: +1:39
      let mut _10: (u32, bool);            // in scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
      let mut _11: (u32, bool);            // in scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
      scope 1 (inlined imm8) {             // at $DIR/issue_101973.rs:14:5: 14:17
          debug x => _1;                   // in scope 1 at $DIR/issue_101973.rs:5:13: 5:14
          let mut _12: u32;                // in scope 1 at $DIR/issue_101973.rs:7:12: 7:27
          let mut _13: u32;                // in scope 1 at $DIR/issue_101973.rs:7:12: 7:20
          let mut _14: (u32, bool);        // in scope 1 at $DIR/issue_101973.rs:7:12: 7:20
          scope 2 {
              debug out => _4;             // in scope 2 at $DIR/issue_101973.rs:6:9: 6:16
          }
      }
      scope 3 (inlined core::num::<impl u32>::rotate_right) { // at $DIR/issue_101973.rs:14:18: 14:58
          debug self => _4;                // in scope 3 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
          debug n => _6;                   // in scope 3 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
      }
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/issue_101973.rs:+1:5: +1:65
          StorageLive(_3);                 // scope 0 at $DIR/issue_101973.rs:+1:5: +1:58
          StorageLive(_4);                 // scope 0 at $DIR/issue_101973.rs:+1:5: +1:17
          StorageLive(_12);                // scope 2 at $DIR/issue_101973.rs:7:12: 7:27
          StorageLive(_13);                // scope 2 at $DIR/issue_101973.rs:7:12: 7:20
          _14 = CheckedShr(_1, const 0_i32); // scope 2 at $DIR/issue_101973.rs:7:12: 7:20
          assert(!move (_14.1: bool), "attempt to shift right by `{}`, which would overflow", const 0_i32) -> bb3; // scope 2 at $DIR/issue_101973.rs:7:12: 7:20
      }
  
      bb1: {
          _8 = move (_10.0: u32);          // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
          _7 = BitAnd(move _8, const 15_u32); // scope 0 at $DIR/issue_101973.rs:+1:31: +1:52
          StorageDead(_8);                 // scope 0 at $DIR/issue_101973.rs:+1:51: +1:52
          _11 = CheckedShl(_7, const 1_i32); // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
          assert(!move (_11.1: bool), "attempt to shift left by `{}`, which would overflow", const 1_i32) -> bb2; // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
      }
  
      bb2: {
          _6 = move (_11.0: u32);          // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
          StorageDead(_7);                 // scope 0 at $DIR/issue_101973.rs:+1:56: +1:57
          _3 = rotate_right::<u32>(_4, _6) -> bb4; // scope 3 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
                                           // mir::Constant
                                           // + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL
                                           // + literal: Const { ty: extern "rust-intrinsic" fn(u32, u32) -> u32 {rotate_right::<u32>}, val: Value(<ZST>) }
      }
  
      bb3: {
          _13 = move (_14.0: u32);         // scope 2 at $DIR/issue_101973.rs:7:12: 7:20
          _12 = BitAnd(move _13, const 255_u32); // scope 2 at $DIR/issue_101973.rs:7:12: 7:27
          StorageDead(_13);                // scope 2 at $DIR/issue_101973.rs:7:26: 7:27
          _4 = BitOr(const 0_u32, move _12); // scope 2 at $DIR/issue_101973.rs:7:5: 7:27
          StorageDead(_12);                // scope 2 at $DIR/issue_101973.rs:7:26: 7:27
          StorageLive(_6);                 // scope 0 at $DIR/issue_101973.rs:+1:31: +1:57
          StorageLive(_7);                 // scope 0 at $DIR/issue_101973.rs:+1:31: +1:52
          StorageLive(_8);                 // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
          _10 = CheckedShr(_1, const 8_i32); // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
          assert(!move (_10.1: bool), "attempt to shift right by `{}`, which would overflow", const 8_i32) -> bb1; // scope 0 at $DIR/issue_101973.rs:+1:32: +1:45
      }
  
      bb4: {
          StorageDead(_6);                 // scope 0 at $DIR/issue_101973.rs:+1:57: +1:58
          StorageDead(_4);                 // scope 0 at $DIR/issue_101973.rs:+1:57: +1:58
          _2 = move _3 as i32 (IntToInt);  // scope 0 at $DIR/issue_101973.rs:+1:5: +1:65
          StorageDead(_3);                 // scope 0 at $DIR/issue_101973.rs:+1:64: +1:65
          _0 = move _2 as i64 (IntToInt);  // scope 0 at $DIR/issue_101973.rs:+1:5: +1:72
          StorageDead(_2);                 // scope 0 at $DIR/issue_101973.rs:+1:71: +1:72
          return;                          // scope 0 at $DIR/issue_101973.rs:+2:2: +2:2
      }
  }