20 lines
384 B
Rust
20 lines
384 B
Rust
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//@ compile-flags: -O
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//@ min-llvm-version: 19
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#![crate_type = "lib"]
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pub enum State {
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A([u8; 753]),
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B([u8; 753]),
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}
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// CHECK-LABEL: @update
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#[no_mangle]
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pub unsafe fn update(s: *mut State) {
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// CHECK-NEXT: start:
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// CHECK-NEXT: store i8
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// CHECK-NEXT: ret
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let State::A(v) = s.read() else { std::hint::unreachable_unchecked() };
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s.write(State::B(v));
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}
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