| - // MIR for `fn_pointers` before GVN |
| + // MIR for `fn_pointers` after GVN |
| |
| fn fn_pointers() -> () { |
| let mut _0: (); |
| let _1: fn(u8) -> u8; |
| let _2: (); |
| let mut _3: fn(u8) -> u8; |
| let _5: (); |
| let mut _6: fn(u8) -> u8; |
| let mut _9: {closure@$DIR/gvn.rs:614:19: 614:21}; |
| let _10: (); |
| let mut _11: fn(); |
| let mut _13: {closure@$DIR/gvn.rs:614:19: 614:21}; |
| let _14: (); |
| let mut _15: fn(); |
| scope 1 { |
| debug f => _1; |
| let _4: fn(u8) -> u8; |
| scope 2 { |
| debug g => _4; |
| let _7: {closure@$DIR/gvn.rs:614:19: 614:21}; |
| scope 3 { |
| debug closure => _7; |
| let _8: fn(); |
| scope 4 { |
| debug cf => _8; |
| let _12: fn(); |
| scope 5 { |
| debug cg => _12; |
| } |
| } |
| } |
| } |
| } |
| |
| bb0: { |
| - StorageLive(_1); |
| + nop; |
| _1 = identity::<u8> as fn(u8) -> u8 (PointerCoercion(ReifyFnPointer, AsCast)); |
| StorageLive(_2); |
| StorageLive(_3); |
| _3 = copy _1; |
| - _2 = opaque::<fn(u8) -> u8>(move _3) -> [return: bb1, unwind unreachable]; |
| + _2 = opaque::<fn(u8) -> u8>(copy _1) -> [return: bb1, unwind unreachable]; |
| } |
| |
| bb1: { |
| StorageDead(_3); |
| StorageDead(_2); |
| - StorageLive(_4); |
| + nop; |
| _4 = identity::<u8> as fn(u8) -> u8 (PointerCoercion(ReifyFnPointer, AsCast)); |
| StorageLive(_5); |
| StorageLive(_6); |
| _6 = copy _4; |
| - _5 = opaque::<fn(u8) -> u8>(move _6) -> [return: bb2, unwind unreachable]; |
| + _5 = opaque::<fn(u8) -> u8>(copy _4) -> [return: bb2, unwind unreachable]; |
| } |
| |
| bb2: { |
| StorageDead(_6); |
| StorageDead(_5); |
| - StorageLive(_7); |
| - _7 = {closure@$DIR/gvn.rs:614:19: 614:21}; |
| - StorageLive(_8); |
| + nop; |
| + _7 = const ZeroSized: {closure@$DIR/gvn.rs:614:19: 614:21}; |
| + nop; |
| StorageLive(_9); |
| - _9 = copy _7; |
| - _8 = move _9 as fn() (PointerCoercion(ClosureFnPointer(Safe), AsCast)); |
| + _9 = const ZeroSized: {closure@$DIR/gvn.rs:614:19: 614:21}; |
| + _8 = const ZeroSized: {closure@$DIR/gvn.rs:614:19: 614:21} as fn() (PointerCoercion(ClosureFnPointer(Safe), AsCast)); |
| StorageDead(_9); |
| StorageLive(_10); |
| StorageLive(_11); |
| _11 = copy _8; |
| - _10 = opaque::<fn()>(move _11) -> [return: bb3, unwind unreachable]; |
| + _10 = opaque::<fn()>(copy _8) -> [return: bb3, unwind unreachable]; |
| } |
| |
| bb3: { |
| StorageDead(_11); |
| StorageDead(_10); |
| - StorageLive(_12); |
| + nop; |
| StorageLive(_13); |
| - _13 = copy _7; |
| - _12 = move _13 as fn() (PointerCoercion(ClosureFnPointer(Safe), AsCast)); |
| + _13 = const ZeroSized: {closure@$DIR/gvn.rs:614:19: 614:21}; |
| + _12 = const ZeroSized: {closure@$DIR/gvn.rs:614:19: 614:21} as fn() (PointerCoercion(ClosureFnPointer(Safe), AsCast)); |
| StorageDead(_13); |
| StorageLive(_14); |
| StorageLive(_15); |
| _15 = copy _12; |
| - _14 = opaque::<fn()>(move _15) -> [return: bb4, unwind unreachable]; |
| + _14 = opaque::<fn()>(copy _12) -> [return: bb4, unwind unreachable]; |
| } |
| |
| bb4: { |
| StorageDead(_15); |
| StorageDead(_14); |
| _0 = const (); |
| - StorageDead(_12); |
| - StorageDead(_8); |
| - StorageDead(_7); |
| - StorageDead(_4); |
| - StorageDead(_1); |
| + nop; |
| + nop; |
| + nop; |
| + nop; |
| + nop; |
| return; |
| } |
| } |
| |