46 lines
2.4 KiB
Diff
46 lines
2.4 KiB
Diff
- // MIR for `id` before SimplifyArmIdentity
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+ // MIR for `id` after SimplifyArmIdentity
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fn id(_1: Option<u8>) -> Option<u8> {
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debug o => _1; // in scope 0 at $DIR/simplify-arm.rs:9:7: 9:8
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let mut _0: std::option::Option<u8>; // return place in scope 0 at $DIR/simplify-arm.rs:9:25: 9:35
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let mut _2: isize; // in scope 0 at $DIR/simplify-arm.rs:11:9: 11:16
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let _3: u8; // in scope 0 at $DIR/simplify-arm.rs:11:14: 11:15
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let mut _4: u8; // in scope 0 at $DIR/simplify-arm.rs:11:25: 11:26
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scope 1 {
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debug v => _3; // in scope 1 at $DIR/simplify-arm.rs:11:14: 11:15
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}
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bb0: {
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_2 = discriminant(_1); // scope 0 at $DIR/simplify-arm.rs:10:11: 10:12
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switchInt(move _2) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/simplify-arm.rs:10:5: 10:12
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}
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bb1: {
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Deinit(_0); // scope 0 at $DIR/simplify-arm.rs:12:17: 12:21
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discriminant(_0) = 0; // scope 0 at $DIR/simplify-arm.rs:12:17: 12:21
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goto -> bb4; // scope 0 at $DIR/simplify-arm.rs:12:17: 12:21
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}
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bb2: {
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unreachable; // scope 0 at $DIR/simplify-arm.rs:10:11: 10:12
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}
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bb3: {
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StorageLive(_3); // scope 0 at $DIR/simplify-arm.rs:11:14: 11:15
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_3 = ((_1 as Some).0: u8); // scope 0 at $DIR/simplify-arm.rs:11:14: 11:15
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StorageLive(_4); // scope 1 at $DIR/simplify-arm.rs:11:25: 11:26
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_4 = _3; // scope 1 at $DIR/simplify-arm.rs:11:25: 11:26
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Deinit(_0); // scope 1 at $DIR/simplify-arm.rs:11:20: 11:27
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((_0 as Some).0: u8) = move _4; // scope 1 at $DIR/simplify-arm.rs:11:20: 11:27
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discriminant(_0) = 1; // scope 1 at $DIR/simplify-arm.rs:11:20: 11:27
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StorageDead(_4); // scope 1 at $DIR/simplify-arm.rs:11:26: 11:27
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StorageDead(_3); // scope 0 at $DIR/simplify-arm.rs:11:26: 11:27
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goto -> bb4; // scope 0 at $DIR/simplify-arm.rs:11:26: 11:27
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}
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bb4: {
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return; // scope 0 at $DIR/simplify-arm.rs:14:2: 14:2
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}
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}
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