53 lines
1.2 KiB
Diff
53 lines
1.2 KiB
Diff
- // MIR for `main` before ConstProp
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+ // MIR for `main` after ConstProp
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fn main() -> () {
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let mut _0: ();
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let _1: i32;
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let mut _2: i32;
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let mut _3: std::option::Option<bool>;
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let mut _4: isize;
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scope 1 {
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debug x => _1;
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}
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scope 2 {
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}
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bb0: {
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StorageLive(_1);
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StorageLive(_2);
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StorageLive(_3);
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- _3 = Option::<bool>::Some(const true);
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- _4 = discriminant(_3);
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- switchInt(move _4) -> [1: bb1, otherwise: bb3];
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+ _3 = const Option::<bool>::Some(true);
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+ _4 = const 1_isize;
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+ switchInt(const 1_isize) -> [1: bb1, otherwise: bb3];
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}
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bb1: {
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- switchInt(((_3 as Some).0: bool)) -> [0: bb3, otherwise: bb2];
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+ switchInt(const true) -> [0: bb3, otherwise: bb2];
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}
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bb2: {
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_2 = const 42_i32;
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goto -> bb4;
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}
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bb3: {
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_2 = const 10_i32;
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goto -> bb4;
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}
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bb4: {
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_1 = Add(move _2, const 0_i32);
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StorageDead(_2);
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StorageDead(_3);
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_0 = const ();
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StorageDead(_1);
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return;
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}
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}
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