mirror of https://github.com/rust-lang/rust.git
108 lines
2.5 KiB
Diff
108 lines
2.5 KiB
Diff
- // MIR for `opt4` before EarlyOtherwiseBranch
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+ // MIR for `opt4` after EarlyOtherwiseBranch
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fn opt4(_1: Option2<u32>, _2: Option2<u32>) -> u32 {
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debug x => _1;
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debug y => _2;
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let mut _0: u32;
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let mut _3: (Option2<u32>, Option2<u32>);
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let mut _4: Option2<u32>;
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let mut _5: Option2<u32>;
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let mut _6: isize;
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let mut _7: isize;
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let mut _8: isize;
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let mut _9: isize;
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let _10: u32;
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let _11: u32;
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+ let mut _12: isize;
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+ let mut _13: bool;
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scope 1 {
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debug a => _10;
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debug b => _11;
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}
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bb0: {
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StorageLive(_3);
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StorageLive(_4);
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_4 = move _1;
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StorageLive(_5);
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_5 = move _2;
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_3 = (move _4, move _5);
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StorageDead(_5);
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StorageDead(_4);
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_9 = discriminant((_3.0: Option2<u32>));
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- switchInt(move _9) -> [0: bb2, 1: bb3, 2: bb4, otherwise: bb9];
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+ StorageLive(_12);
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+ _12 = discriminant((_3.1: Option2<u32>));
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+ StorageLive(_13);
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+ _13 = Ne(copy _9, move _12);
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+ StorageDead(_12);
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+ switchInt(move _13) -> [0: bb7, otherwise: bb1];
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}
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bb1: {
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+ StorageDead(_13);
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_0 = const 1_u32;
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- goto -> bb8;
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+ goto -> bb5;
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}
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bb2: {
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- _6 = discriminant((_3.1: Option2<u32>));
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- switchInt(move _6) -> [0: bb7, otherwise: bb1];
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- }
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-
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- bb3: {
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- _7 = discriminant((_3.1: Option2<u32>));
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- switchInt(move _7) -> [1: bb6, otherwise: bb1];
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- }
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-
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- bb4: {
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- _8 = discriminant((_3.1: Option2<u32>));
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- switchInt(move _8) -> [2: bb5, otherwise: bb1];
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- }
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-
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- bb5: {
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_0 = const 3_u32;
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- goto -> bb8;
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+ goto -> bb5;
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}
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- bb6: {
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+ bb3: {
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_0 = const 2_u32;
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- goto -> bb8;
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+ goto -> bb5;
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}
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- bb7: {
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+ bb4: {
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StorageLive(_10);
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_10 = copy (((_3.0: Option2<u32>) as Some).0: u32);
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StorageLive(_11);
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_11 = copy (((_3.1: Option2<u32>) as Some).0: u32);
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_0 = const 0_u32;
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StorageDead(_11);
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StorageDead(_10);
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- goto -> bb8;
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+ goto -> bb5;
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}
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- bb8: {
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+ bb5: {
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StorageDead(_3);
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return;
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}
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- bb9: {
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+ bb6: {
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unreachable;
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+ }
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+
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+ bb7: {
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+ StorageDead(_13);
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+ switchInt(copy _9) -> [0: bb4, 1: bb3, 2: bb2, otherwise: bb6];
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}
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}
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