mirror of https://github.com/rust-lang/rust
142 lines
3.5 KiB
Diff
142 lines
3.5 KiB
Diff
- // MIR for `opt2` before EarlyOtherwiseBranch
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+ // MIR for `opt2` after EarlyOtherwiseBranch
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fn opt2(_1: Option2<u32>, _2: Option2<u32>, _3: Option2<u32>) -> u32 {
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debug x => _1;
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debug y => _2;
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debug z => _3;
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let mut _0: u32;
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let mut _4: (Option2<u32>, Option2<u32>, Option2<u32>);
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let mut _5: Option2<u32>;
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let mut _6: Option2<u32>;
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let mut _7: Option2<u32>;
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let mut _8: isize;
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let mut _9: isize;
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let mut _10: isize;
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let mut _11: isize;
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let mut _12: isize;
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let mut _13: isize;
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let mut _14: isize;
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let _15: u32;
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let _16: u32;
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let _17: u32;
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+ let mut _18: isize;
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+ let mut _19: bool;
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scope 1 {
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debug a => _15;
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debug b => _16;
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debug c => _17;
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}
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bb0: {
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StorageLive(_4);
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StorageLive(_5);
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_5 = move _1;
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StorageLive(_6);
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_6 = move _2;
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StorageLive(_7);
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_7 = move _3;
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_4 = (move _5, move _6, move _7);
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StorageDead(_7);
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StorageDead(_6);
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StorageDead(_5);
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_14 = discriminant((_4.0: Option2<u32>));
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- switchInt(move _14) -> [0: bb2, 1: bb4, 2: bb6, otherwise: bb12];
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+ StorageLive(_18);
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+ _18 = discriminant((_4.1: Option2<u32>));
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+ StorageLive(_19);
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+ _19 = Ne(_14, move _18);
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+ StorageDead(_18);
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+ switchInt(move _19) -> [0: bb10, otherwise: bb1];
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}
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bb1: {
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+ StorageDead(_19);
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_0 = const 1_u32;
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- goto -> bb11;
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+ goto -> bb8;
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}
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bb2: {
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- _9 = discriminant((_4.1: Option2<u32>));
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- switchInt(move _9) -> [0: bb3, otherwise: bb1];
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- }
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-
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- bb3: {
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_8 = discriminant((_4.2: Option2<u32>));
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- switchInt(move _8) -> [0: bb8, otherwise: bb1];
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+ switchInt(move _8) -> [0: bb5, otherwise: bb1];
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}
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- bb4: {
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- _11 = discriminant((_4.1: Option2<u32>));
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- switchInt(move _11) -> [1: bb5, otherwise: bb1];
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- }
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-
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- bb5: {
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+ bb3: {
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_10 = discriminant((_4.2: Option2<u32>));
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- switchInt(move _10) -> [1: bb9, otherwise: bb1];
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+ switchInt(move _10) -> [1: bb6, otherwise: bb1];
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}
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- bb6: {
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- _13 = discriminant((_4.1: Option2<u32>));
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- switchInt(move _13) -> [2: bb7, otherwise: bb1];
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- }
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-
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- bb7: {
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+ bb4: {
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_12 = discriminant((_4.2: Option2<u32>));
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- switchInt(move _12) -> [2: bb10, otherwise: bb1];
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+ switchInt(move _12) -> [2: bb7, otherwise: bb1];
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}
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- bb8: {
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+ bb5: {
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StorageLive(_15);
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_15 = (((_4.0: Option2<u32>) as Some).0: u32);
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StorageLive(_16);
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_16 = (((_4.1: Option2<u32>) as Some).0: u32);
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StorageLive(_17);
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_17 = (((_4.2: Option2<u32>) as Some).0: u32);
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_0 = const 0_u32;
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StorageDead(_17);
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StorageDead(_16);
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StorageDead(_15);
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- goto -> bb11;
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+ goto -> bb8;
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}
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- bb9: {
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+ bb6: {
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_0 = const 2_u32;
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- goto -> bb11;
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+ goto -> bb8;
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}
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- bb10: {
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+ bb7: {
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_0 = const 3_u32;
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- goto -> bb11;
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+ goto -> bb8;
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}
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- bb11: {
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+ bb8: {
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StorageDead(_4);
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return;
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}
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- bb12: {
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+ bb9: {
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unreachable;
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+ }
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+
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+ bb10: {
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+ StorageDead(_19);
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+ switchInt(_14) -> [0: bb2, 1: bb3, 2: bb4, otherwise: bb9];
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}
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}
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