mirror of https://github.com/rust-lang/rust
119 lines
3.6 KiB
Diff
119 lines
3.6 KiB
Diff
- // MIR for `fn_pointers` before GVN
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+ // MIR for `fn_pointers` after GVN
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fn fn_pointers() -> () {
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let mut _0: ();
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let _1: fn(u8) -> u8;
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let _2: ();
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let mut _3: fn(u8) -> u8;
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let _5: ();
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let mut _6: fn(u8) -> u8;
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let mut _9: {closure@$DIR/gvn.rs:612:19: 612:21};
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let _10: ();
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let mut _11: fn();
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let mut _13: {closure@$DIR/gvn.rs:612:19: 612:21};
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let _14: ();
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let mut _15: fn();
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scope 1 {
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debug f => _1;
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let _4: fn(u8) -> u8;
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scope 2 {
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debug g => _4;
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let _7: {closure@$DIR/gvn.rs:612:19: 612:21};
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scope 3 {
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debug closure => _7;
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let _8: fn();
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scope 4 {
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debug cf => _8;
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let _12: fn();
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scope 5 {
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debug cg => _12;
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}
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}
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}
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}
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}
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bb0: {
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- StorageLive(_1);
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+ nop;
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_1 = identity::<u8> as fn(u8) -> u8 (PointerCoercion(ReifyFnPointer));
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StorageLive(_2);
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StorageLive(_3);
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_3 = _1;
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- _2 = opaque::<fn(u8) -> u8>(move _3) -> [return: bb1, unwind unreachable];
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+ _2 = opaque::<fn(u8) -> u8>(_1) -> [return: bb1, unwind unreachable];
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}
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bb1: {
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StorageDead(_3);
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StorageDead(_2);
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- StorageLive(_4);
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+ nop;
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_4 = identity::<u8> as fn(u8) -> u8 (PointerCoercion(ReifyFnPointer));
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StorageLive(_5);
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StorageLive(_6);
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_6 = _4;
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- _5 = opaque::<fn(u8) -> u8>(move _6) -> [return: bb2, unwind unreachable];
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+ _5 = opaque::<fn(u8) -> u8>(_4) -> [return: bb2, unwind unreachable];
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}
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bb2: {
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StorageDead(_6);
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StorageDead(_5);
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- StorageLive(_7);
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- _7 = {closure@$DIR/gvn.rs:612:19: 612:21};
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- StorageLive(_8);
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+ nop;
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+ _7 = const ZeroSized: {closure@$DIR/gvn.rs:612:19: 612:21};
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+ nop;
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StorageLive(_9);
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- _9 = _7;
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- _8 = move _9 as fn() (PointerCoercion(ClosureFnPointer(Normal)));
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+ _9 = const ZeroSized: {closure@$DIR/gvn.rs:612:19: 612:21};
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+ _8 = const ZeroSized: {closure@$DIR/gvn.rs:612:19: 612:21} as fn() (PointerCoercion(ClosureFnPointer(Normal)));
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StorageDead(_9);
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StorageLive(_10);
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StorageLive(_11);
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_11 = _8;
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- _10 = opaque::<fn()>(move _11) -> [return: bb3, unwind unreachable];
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+ _10 = opaque::<fn()>(_8) -> [return: bb3, unwind unreachable];
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}
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bb3: {
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StorageDead(_11);
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StorageDead(_10);
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- StorageLive(_12);
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+ nop;
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StorageLive(_13);
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- _13 = _7;
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- _12 = move _13 as fn() (PointerCoercion(ClosureFnPointer(Normal)));
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+ _13 = const ZeroSized: {closure@$DIR/gvn.rs:612:19: 612:21};
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+ _12 = const ZeroSized: {closure@$DIR/gvn.rs:612:19: 612:21} as fn() (PointerCoercion(ClosureFnPointer(Normal)));
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StorageDead(_13);
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StorageLive(_14);
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StorageLive(_15);
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_15 = _12;
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- _14 = opaque::<fn()>(move _15) -> [return: bb4, unwind unreachable];
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+ _14 = opaque::<fn()>(_12) -> [return: bb4, unwind unreachable];
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}
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bb4: {
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StorageDead(_15);
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StorageDead(_14);
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_0 = const ();
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- StorageDead(_12);
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- StorageDead(_8);
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- StorageDead(_7);
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- StorageDead(_4);
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- StorageDead(_1);
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+ nop;
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+ nop;
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+ nop;
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+ nop;
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+ nop;
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return;
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}
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}
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