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https://github.com/rust-lang/rust
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63 lines
4.4 KiB
Diff
63 lines
4.4 KiB
Diff
- // MIR for `foo` before SimplifyLocals-final
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+ // MIR for `foo` after SimplifyLocals-final
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fn foo() -> () {
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let mut _0: (); // return place in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+0:13: +0:13
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let mut _1: (std::option::Option<u8>, std::option::Option<T>); // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:30: +1:69
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let mut _2: std::option::Option<u8>; // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:31: +1:49
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let mut _3: std::option::Option<T>; // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:51: +1:68
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let mut _4: isize; // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:22: +1:26
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let mut _5: isize; // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:13: +1:20
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- let mut _7: bool; // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+2:12: +2:20
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- let mut _8: u8; // in scope 0 at $DIR/simplify_locals_fixedpoint.rs:+2:12: +2:13
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scope 1 {
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debug a => _6; // in scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:18: +1:19
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let _6: u8; // in scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:18: +1:19
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}
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bb0: {
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StorageLive(_1); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:30: +1:69
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StorageLive(_2); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:31: +1:49
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Deinit(_2); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:31: +1:49
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discriminant(_2) = 0; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:31: +1:49
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StorageLive(_3); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:51: +1:68
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Deinit(_3); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:51: +1:68
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discriminant(_3) = 0; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:51: +1:68
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Deinit(_1); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:30: +1:69
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(_1.0: std::option::Option<u8>) = move _2; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:30: +1:69
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(_1.1: std::option::Option<T>) = move _3; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:30: +1:69
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StorageDead(_3); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:68: +1:69
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StorageDead(_2); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:68: +1:69
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_5 = discriminant((_1.0: std::option::Option<u8>)); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:12: +1:27
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switchInt(move _5) -> [1: bb1, otherwise: bb3]; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:12: +1:27
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}
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bb1: {
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_4 = discriminant((_1.1: std::option::Option<T>)); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:12: +1:27
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switchInt(move _4) -> [0: bb2, otherwise: bb3]; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:12: +1:27
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}
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bb2: {
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StorageLive(_6); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:18: +1:19
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_6 = (((_1.0: std::option::Option<u8>) as Some).0: u8); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+1:18: +1:19
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- StorageLive(_7); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+2:12: +2:20
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- StorageLive(_8); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+2:12: +2:13
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- _8 = _6; // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+2:12: +2:13
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- _7 = Gt(move _8, const 42_u8); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+2:12: +2:20
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- StorageDead(_8); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+2:19: +2:20
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- StorageDead(_7); // scope 1 at $DIR/simplify_locals_fixedpoint.rs:+4:9: +4:10
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StorageDead(_6); // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+5:5: +5:6
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goto -> bb3; // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+1:5: +5:6
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}
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bb3: {
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drop(_1) -> bb4; // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+6:1: +6:2
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}
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bb4: {
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StorageDead(_1); // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+6:1: +6:2
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return; // scope 0 at $DIR/simplify_locals_fixedpoint.rs:+6:2: +6:2
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}
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}
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