rust/src/test/codegen/slice-iter-len-eq-zero.rs
2019-06-15 21:15:25 -07:00

15 lines
312 B
Rust

// no-system-llvm
// compile-flags: -O
#![crate_type = "lib"]
type Demo = [u8; 3];
// CHECK-LABEL: @slice_iter_len_eq_zero
#[no_mangle]
pub fn slice_iter_len_eq_zero(y: std::slice::Iter<'_, Demo>) -> bool {
// CHECK-NOT: sub
// CHECK: %2 = icmp eq i8* %1, %0
// CHECK: ret i1 %2
y.len() == 0
}