rust/tests/codegen/issues/issue-73827-bounds-check-index-in-subexpr.rs

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2020-10-17 11:17:31 +00:00
// This test checks that bounds checks are elided when
// index is part of a (x | y) < C style condition
//@ compile-flags: -O
#![crate_type = "lib"]
// CHECK-LABEL: @get
#[no_mangle]
pub fn get(array: &[u8; 8], x: usize, y: usize) -> u8 {
if x > 7 || y > 7 {
0
} else {
// CHECK-NOT: panic_bounds_check
array[y]
}
}