- // MIR for `main` before ConstProp + // MIR for `main` after ConstProp fn main() -> () { let mut _0: (); // return place in scope 0 at $DIR/optimizes_into_variable.rs:10:11: 10:11 let _1: i32; // in scope 0 at $DIR/optimizes_into_variable.rs:11:9: 11:10 let mut _2: (i32, bool); // in scope 0 at $DIR/optimizes_into_variable.rs:11:13: 11:18 let mut _4: [i32; 6]; // in scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:31 let _5: usize; // in scope 0 at $DIR/optimizes_into_variable.rs:12:32: 12:33 let mut _6: usize; // in scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:34 let mut _7: bool; // in scope 0 at $DIR/optimizes_into_variable.rs:12:13: 12:34 let mut _9: Point; // in scope 0 at $DIR/optimizes_into_variable.rs:13:13: 13:36 scope 1 { debug x => _1; // in scope 1 at $DIR/optimizes_into_variable.rs:11:9: 11:10 let _3: i32; // in scope 1 at $DIR/optimizes_into_variable.rs:12:9: 12:10 scope 2 { debug y => _3; // in scope 2 at $DIR/optimizes_into_variable.rs:12:9: 12:10 let _8: u32; // in scope 2 at $DIR/optimizes_into_variable.rs:13:9: 13:10 scope 3 { debug z => _8; // in scope 3 at $DIR/optimizes_into_variable.rs:13:9: 13:10 } } } bb0: { StorageLive(_1); // bb0[0]: scope 0 at $DIR/optimizes_into_variable.rs:11:9: 11:10 - _2 = CheckedAdd(const 2i32, const 2i32); // bb0[1]: scope 0 at $DIR/optimizes_into_variable.rs:11:13: 11:18 + _2 = (const 4i32, const false); // bb0[1]: scope 0 at $DIR/optimizes_into_variable.rs:11:13: 11:18 // ty::Const // + ty: i32 - // + val: Value(Scalar(0x00000002)) + // + val: Value(Scalar(0x00000004)) // mir::Constant - // + span: $DIR/optimizes_into_variable.rs:11:13: 11:14 - // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } + // + span: $DIR/optimizes_into_variable.rs:11:13: 11:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } // ty::Const - // + ty: i32 - // + val: Value(Scalar(0x00000002)) + // + ty: bool + // + val: Value(Scalar(0x00)) // mir::Constant - // + span: $DIR/optimizes_into_variable.rs:11:17: 11:18 - // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } - assert(!move (_2.1: bool), "attempt to add with overflow") -> bb1; // bb0[2]: scope 0 at $DIR/optimizes_into_variable.rs:11:13: 11:18 + // + span: $DIR/optimizes_into_variable.rs:11:13: 11:18 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + assert(!const false, "attempt to add with overflow") -> bb1; // bb0[2]: scope 0 at $DIR/optimizes_into_variable.rs:11:13: 11:18 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:11:13: 11:18 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } } bb1: { - _1 = move (_2.0: i32); // bb1[0]: scope 0 at $DIR/optimizes_into_variable.rs:11:13: 11:18 + _1 = const 4i32; // bb1[0]: scope 0 at $DIR/optimizes_into_variable.rs:11:13: 11:18 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000004)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:11:13: 11:18 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } StorageLive(_3); // bb1[1]: scope 1 at $DIR/optimizes_into_variable.rs:12:9: 12:10 StorageLive(_4); // bb1[2]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:31 _4 = [const 0i32, const 1i32, const 2i32, const 3i32, const 4i32, const 5i32]; // bb1[3]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:31 // ty::Const // + ty: i32 // + val: Value(Scalar(0x00000000)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:12:14: 12:15 // + literal: Const { ty: i32, val: Value(Scalar(0x00000000)) } // ty::Const // + ty: i32 // + val: Value(Scalar(0x00000001)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:12:17: 12:18 // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) } // ty::Const // + ty: i32 // + val: Value(Scalar(0x00000002)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:12:20: 12:21 // + literal: Const { ty: i32, val: Value(Scalar(0x00000002)) } // ty::Const // + ty: i32 // + val: Value(Scalar(0x00000003)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:12:23: 12:24 // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } // ty::Const // + ty: i32 // + val: Value(Scalar(0x00000004)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:12:26: 12:27 // + literal: Const { ty: i32, val: Value(Scalar(0x00000004)) } // ty::Const // + ty: i32 // + val: Value(Scalar(0x00000005)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:12:29: 12:30 // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) } StorageLive(_5); // bb1[4]: scope 1 at $DIR/optimizes_into_variable.rs:12:32: 12:33 _5 = const 3usize; // bb1[5]: scope 1 at $DIR/optimizes_into_variable.rs:12:32: 12:33 // ty::Const // + ty: usize // + val: Value(Scalar(0x0000000000000003)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:12:32: 12:33 // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000003)) } _6 = const 6usize; // bb1[6]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:34 // ty::Const // + ty: usize // + val: Value(Scalar(0x0000000000000006)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:12:13: 12:34 // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000006)) } - _7 = Lt(_5, _6); // bb1[7]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:34 - assert(move _7, "index out of bounds: the len is move _6 but the index is _5") -> bb2; // bb1[8]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:34 + _7 = const true; // bb1[7]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:34 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:12:13: 12:34 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + assert(const true, "index out of bounds: the len is move _6 but the index is _5") -> bb2; // bb1[8]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:34 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:12:13: 12:34 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } } bb2: { - _3 = _4[_5]; // bb2[0]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:34 + _3 = const 3i32; // bb2[0]: scope 1 at $DIR/optimizes_into_variable.rs:12:13: 12:34 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000003)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:12:13: 12:34 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000003)) } StorageDead(_5); // bb2[1]: scope 1 at $DIR/optimizes_into_variable.rs:12:34: 12:35 StorageDead(_4); // bb2[2]: scope 1 at $DIR/optimizes_into_variable.rs:12:34: 12:35 StorageLive(_8); // bb2[3]: scope 2 at $DIR/optimizes_into_variable.rs:13:9: 13:10 StorageLive(_9); // bb2[4]: scope 2 at $DIR/optimizes_into_variable.rs:13:13: 13:36 _9 = Point { x: const 12u32, y: const 42u32 }; // bb2[5]: scope 2 at $DIR/optimizes_into_variable.rs:13:13: 13:36 // ty::Const // + ty: u32 // + val: Value(Scalar(0x0000000c)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:13:25: 13:27 // + literal: Const { ty: u32, val: Value(Scalar(0x0000000c)) } // ty::Const // + ty: u32 // + val: Value(Scalar(0x0000002a)) // mir::Constant // + span: $DIR/optimizes_into_variable.rs:13:32: 13:34 // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } - _8 = (_9.1: u32); // bb2[6]: scope 2 at $DIR/optimizes_into_variable.rs:13:13: 13:38 + _8 = const 42u32; // bb2[6]: scope 2 at $DIR/optimizes_into_variable.rs:13:13: 13:38 + // ty::Const + // + ty: u32 + // + val: Value(Scalar(0x0000002a)) + // mir::Constant + // + span: $DIR/optimizes_into_variable.rs:13:13: 13:38 + // + literal: Const { ty: u32, val: Value(Scalar(0x0000002a)) } StorageDead(_9); // bb2[7]: scope 2 at $DIR/optimizes_into_variable.rs:13:38: 13:39 _0 = (); // bb2[8]: scope 0 at $DIR/optimizes_into_variable.rs:10:11: 14:2 StorageDead(_8); // bb2[9]: scope 2 at $DIR/optimizes_into_variable.rs:14:1: 14:2 StorageDead(_3); // bb2[10]: scope 1 at $DIR/optimizes_into_variable.rs:14:1: 14:2 StorageDead(_1); // bb2[11]: scope 0 at $DIR/optimizes_into_variable.rs:14:1: 14:2 return; // bb2[12]: scope 0 at $DIR/optimizes_into_variable.rs:14:2: 14:2 } }