- // MIR for `wide_ptr_integer` before GVN + // MIR for `wide_ptr_integer` after GVN fn wide_ptr_integer() -> () { let mut _0: (); let _1: *const [u8]; let mut _2: (usize, usize); let mut _4: (usize, usize); let _5: (); let mut _6: bool; let mut _7: *const [u8]; let mut _8: *const [u8]; let _9: (); let mut _10: bool; let mut _11: *const [u8]; let mut _12: *const [u8]; let _13: (); let mut _14: bool; let mut _15: *const [u8]; let mut _16: *const [u8]; let _17: (); let mut _18: bool; let mut _19: *const [u8]; let mut _20: *const [u8]; let _21: (); let mut _22: bool; let mut _23: *const [u8]; let mut _24: *const [u8]; let _25: (); let mut _26: bool; let mut _27: *const [u8]; let mut _28: *const [u8]; scope 1 { debug a => _1; let _3: *const [u8]; scope 2 { debug b => _3; } } bb0: { - StorageLive(_1); + nop; StorageLive(_2); - _2 = (const 1_usize, const 1_usize); - _1 = move _2 as *const [u8] (Transmute); + _2 = const (1_usize, 1_usize); + _1 = const Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [u8]; StorageDead(_2); - StorageLive(_3); + nop; StorageLive(_4); - _4 = (const 1_usize, const 2_usize); - _3 = move _4 as *const [u8] (Transmute); + _4 = const (1_usize, 2_usize); + _3 = const Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [u8]; StorageDead(_4); StorageLive(_5); StorageLive(_6); StorageLive(_7); - _7 = copy _1; + _7 = const Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [u8]; StorageLive(_8); - _8 = copy _3; - _6 = Eq(move _7, move _8); + _8 = const Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [u8]; + _6 = const false; StorageDead(_8); StorageDead(_7); - _5 = opaque::(move _6) -> [return: bb1, unwind continue]; + _5 = opaque::(const false) -> [return: bb1, unwind continue]; } bb1: { StorageDead(_6); StorageDead(_5); StorageLive(_9); StorageLive(_10); StorageLive(_11); - _11 = copy _1; + _11 = const Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [u8]; StorageLive(_12); - _12 = copy _3; - _10 = Ne(move _11, move _12); + _12 = const Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [u8]; + _10 = const true; StorageDead(_12); StorageDead(_11); - _9 = opaque::(move _10) -> [return: bb2, unwind continue]; + _9 = opaque::(const true) -> [return: bb2, unwind continue]; } bb2: { StorageDead(_10); StorageDead(_9); StorageLive(_13); StorageLive(_14); StorageLive(_15); - _15 = copy _1; + _15 = const Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [u8]; StorageLive(_16); - _16 = copy _3; - _14 = Lt(move _15, move _16); + _16 = const Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [u8]; + _14 = const true; StorageDead(_16); StorageDead(_15); - _13 = opaque::(move _14) -> [return: bb3, unwind continue]; + _13 = opaque::(const true) -> [return: bb3, unwind continue]; } bb3: { StorageDead(_14); StorageDead(_13); StorageLive(_17); StorageLive(_18); StorageLive(_19); - _19 = copy _1; + _19 = const Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [u8]; StorageLive(_20); - _20 = copy _3; - _18 = Le(move _19, move _20); + _20 = const Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [u8]; + _18 = const true; StorageDead(_20); StorageDead(_19); - _17 = opaque::(move _18) -> [return: bb4, unwind continue]; + _17 = opaque::(const true) -> [return: bb4, unwind continue]; } bb4: { StorageDead(_18); StorageDead(_17); StorageLive(_21); StorageLive(_22); StorageLive(_23); - _23 = copy _1; + _23 = const Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [u8]; StorageLive(_24); - _24 = copy _3; - _22 = Gt(move _23, move _24); + _24 = const Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [u8]; + _22 = const false; StorageDead(_24); StorageDead(_23); - _21 = opaque::(move _22) -> [return: bb5, unwind continue]; + _21 = opaque::(const false) -> [return: bb5, unwind continue]; } bb5: { StorageDead(_22); StorageDead(_21); StorageLive(_25); StorageLive(_26); StorageLive(_27); - _27 = copy _1; + _27 = const Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [u8]; StorageLive(_28); - _28 = copy _3; - _26 = Ge(move _27, move _28); + _28 = const Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [u8]; + _26 = const false; StorageDead(_28); StorageDead(_27); - _25 = opaque::(move _26) -> [return: bb6, unwind continue]; + _25 = opaque::(const false) -> [return: bb6, unwind continue]; } bb6: { StorageDead(_26); StorageDead(_25); _0 = const (); - StorageDead(_3); - StorageDead(_1); + nop; + nop; return; } } + + ALLOC1 (size: 16, align: 8) { .. } + + ALLOC0 (size: 16, align: 8) { .. }