mirror of https://github.com/rust-lang/rust.git
54 lines
1.0 KiB
Diff
54 lines
1.0 KiB
Diff
- // MIR for `foo` before MatchBranchSimplification
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+ // MIR for `foo` after MatchBranchSimplification
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fn foo(_1: Option<()>) -> () {
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debug bar => _1;
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let mut _0: ();
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let mut _2: bool;
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let mut _3: isize;
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+ let mut _4: isize;
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bb0: {
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StorageLive(_2);
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_3 = discriminant(_1);
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- switchInt(move _3) -> [0: bb2, otherwise: bb1];
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+ StorageLive(_4);
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+ _4 = move _3;
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+ _2 = Eq(copy _4, const 0_isize);
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+ StorageDead(_4);
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+ switchInt(move _2) -> [0: bb2, otherwise: bb1];
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}
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bb1: {
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- _2 = const false;
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+ _0 = ();
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goto -> bb3;
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}
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bb2: {
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- _2 = const true;
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+ _0 = const ();
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goto -> bb3;
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}
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bb3: {
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- switchInt(move _2) -> [0: bb5, otherwise: bb4];
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- }
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-
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- bb4: {
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- _0 = ();
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- goto -> bb6;
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- }
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-
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- bb5: {
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- _0 = const ();
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- goto -> bb6;
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- }
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-
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- bb6: {
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StorageDead(_2);
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return;
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}
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}
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