Rollup merge of #78046 - bugadani:issue-73827, r=nikic

Add codegen test for issue #73827

Closes #73827
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Guillaume Gomez 2020-10-20 21:46:30 +02:00 committed by GitHub
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// This test checks that bounds checks are elided when
// index is part of a (x | y) < C style condition
// min-llvm-version: 11.0.0
// 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]
}
}