mirror of https://github.com/rust-lang/rust
26 lines
776 B
Diff
26 lines
776 B
Diff
- // MIR for `add` before GVN
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+ // MIR for `add` after GVN
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fn add() -> u32 {
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let mut _0: u32;
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let mut _1: (u32, bool);
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bb0: {
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- _1 = AddWithOverflow(const 2_u32, const 2_u32);
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- assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind continue];
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+ _1 = const (4_u32, false);
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+ assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind continue];
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}
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bb1: {
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- _0 = move (_1.0: u32);
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+ _0 = const 4_u32;
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return;
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}
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+ }
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+
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+ ALLOC0 (size: 8, align: 4) {
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+ 04 00 00 00 00 __ __ __ │ .....░░░
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}
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