mirror of https://github.com/rust-lang/rust
42 lines
949 B
Diff
42 lines
949 B
Diff
- // MIR for `main` before GVN
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+ // MIR for `main` after GVN
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fn main() -> () {
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let mut _0: ();
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let _1: usize;
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let mut _2: *const i32;
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let _3: &i32;
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let _4: ();
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let mut _5: usize;
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scope 1 {
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debug x => _1;
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}
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bb0: {
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- StorageLive(_1);
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+ nop;
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StorageLive(_2);
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StorageLive(_3);
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_3 = const main::FOO;
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_2 = &raw const (*_3);
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_1 = move _2 as usize (PointerExposeProvenance);
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StorageDead(_2);
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StorageDead(_3);
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StorageLive(_4);
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StorageLive(_5);
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_5 = copy _1;
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- _4 = read(move _5) -> [return: bb1, unwind unreachable];
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+ _4 = read(copy _1) -> [return: bb1, unwind unreachable];
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}
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bb1: {
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StorageDead(_5);
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StorageDead(_4);
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_0 = const ();
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- StorageDead(_1);
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+ nop;
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return;
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}
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}
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