20 lines
344 B
Rust
20 lines
344 B
Rust
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// compile-flags: -O
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// min-llvm-version: 16
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#![crate_type = "lib"]
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#[no_mangle]
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pub fn test() -> u32 {
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// CHECK-LABEL: @test(
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// CHECK: ret i32 13
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let s = [1, 2, 3, 4, 5, 6, 7];
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let mut iter = s.iter();
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let mut sum = 0;
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while let Some(_) = iter.next() {
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sum += iter.next().map_or(1, |&x| x)
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}
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sum
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}
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