mirror of https://github.com/rust-lang/rust.git
50 lines
3.7 KiB
Diff
50 lines
3.7 KiB
Diff
- // MIR for `map` before SimplifyLocals-before-const-prop
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+ // MIR for `map` after SimplifyLocals-before-const-prop
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fn map(_1: Option<Box<()>>) -> Option<Box<()>> {
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debug x => _1; // in scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+0:8: +0:9
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let mut _0: std::option::Option<std::boxed::Box<()>>; // return place in scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+0:31: +0:46
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let mut _2: isize; // in scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+2:9: +2:13
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let _3: std::boxed::Box<()>; // in scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:14: +3:15
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let mut _4: std::boxed::Box<()>; // in scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:25: +3:26
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- let mut _5: bool; // in scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+5:1: +5:2
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- let mut _6: isize; // in scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+5:1: +5:2
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- let mut _7: isize; // in scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+5:1: +5:2
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scope 1 {
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debug x => _3; // in scope 1 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:14: +3:15
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}
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bb0: {
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- _5 = const false; // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+1:11: +1:12
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- _5 = const true; // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+1:11: +1:12
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_2 = discriminant(_1); // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+1:11: +1:12
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switchInt(move _2) -> [0: bb3, 1: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+1:5: +1:12
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}
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bb1: {
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StorageLive(_3); // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:14: +3:15
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_3 = move ((_1 as Some).0: std::boxed::Box<()>); // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:14: +3:15
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StorageLive(_4); // scope 1 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:25: +3:26
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_4 = move _3; // scope 1 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:25: +3:26
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_0 = Option::<Box<()>>::Some(move _4); // scope 1 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:20: +3:27
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StorageDead(_4); // scope 1 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:26: +3:27
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StorageDead(_3); // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:26: +3:27
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goto -> bb4; // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+3:26: +3:27
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}
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bb2: {
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unreachable; // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+1:11: +1:12
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}
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bb3: {
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_0 = Option::<Box<()>>::None; // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+2:17: +2:21
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goto -> bb4; // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+2:17: +2:21
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}
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bb4: {
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- _6 = discriminant(_1); // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+5:1: +5:2
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return; // scope 0 at $DIR/simplify_locals_removes_unused_discriminant_reads.rs:+5:2: +5:2
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}
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}
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