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9e28de2720
Most of these regressions concern elimination of panics and bounds checks that were fixed upstream by LLVM.
19 lines
523 B
Rust
19 lines
523 B
Rust
// Tests that there's no bounds check within for-loop after asserting that
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// the range start and end are within bounds.
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//@ compile-flags: -Copt-level=3
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#![crate_type = "lib"]
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// CHECK-LABEL: @no_bounds_check_after_assert
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#[no_mangle]
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fn no_bounds_check_after_assert(slice: &[u64], start: usize, end: usize) -> u64 {
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// CHECK-NOT: panic_bounds_check
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let mut total = 0;
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assert!(start < end && start < slice.len() && end <= slice.len());
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for i in start..end {
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total += slice[i];
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}
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total
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}
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