mirror of https://github.com/rust-lang/rust.git
23 lines
463 B
Rust
23 lines
463 B
Rust
// unit-test: DeadStoreElimination
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#[inline(never)]
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fn cond() -> bool {
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false
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}
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// EMIT_MIR cycle.cycle.DeadStoreElimination.diff
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fn cycle(mut x: i32, mut y: i32, mut z: i32) {
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// This example is interesting because the non-transitive version of `MaybeLiveLocals` would
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// report that *all* of these stores are live.
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while cond() {
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let temp = z;
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z = y;
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y = x;
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x = temp;
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}
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}
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fn main() {
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cycle(1, 2, 3);
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}
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