mirror of https://github.com/rust-lang/rust
85 lines
1.8 KiB
Diff
85 lines
1.8 KiB
Diff
- // MIR for `too_complex` before JumpThreading
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+ // MIR for `too_complex` after JumpThreading
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fn too_complex(_1: Result<i32, usize>) -> Option<i32> {
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debug x => _1;
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let mut _0: std::option::Option<i32>;
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let mut _2: std::ops::ControlFlow<usize, i32>;
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let mut _3: isize;
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let _4: i32;
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let _5: usize;
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let mut _6: isize;
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let _7: i32;
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let _8: usize;
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scope 1 {
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debug v => _4;
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}
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scope 2 {
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debug r => _5;
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}
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scope 3 {
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debug v => _7;
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}
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scope 4 {
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debug r => _8;
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}
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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: bb3, 1: bb2, otherwise: bb1];
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}
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bb1: {
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unreachable;
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}
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bb2: {
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_5 = copy ((_1 as Err).0: usize);
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_2 = ControlFlow::<usize, i32>::Break(copy _5);
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- goto -> bb4;
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+ goto -> bb8;
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}
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bb3: {
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_4 = copy ((_1 as Ok).0: i32);
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_2 = ControlFlow::<usize, i32>::Continue(copy _4);
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goto -> bb4;
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}
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bb4: {
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_6 = discriminant(_2);
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- switchInt(move _6) -> [0: bb6, 1: bb5, otherwise: bb1];
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+ goto -> bb6;
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}
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bb5: {
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StorageLive(_8);
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_8 = copy ((_2 as Break).0: usize);
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_0 = const Option::<i32>::None;
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StorageDead(_8);
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goto -> bb7;
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}
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bb6: {
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_7 = copy ((_2 as Continue).0: i32);
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_0 = Option::<i32>::Some(copy _7);
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goto -> bb7;
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}
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bb7: {
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StorageDead(_2);
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return;
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+ }
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+
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+ bb8: {
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+ _6 = discriminant(_2);
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+ goto -> bb5;
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}
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}
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ALLOC0 (size: 8, align: 4) {
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00 00 00 00 __ __ __ __ │ ....░░░░
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}
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