src/test/codegen/issue-27130.rs

   1 // compile-flags: -O
   2 // min-llvm-version: 11.0
   3
   4 #![crate_type = "lib"]
   5
   6 // CHECK-LABEL: @trim_in_place
   7 #[no_mangle]
   8 pub fn trim_in_place(a: &mut &[u8]) {
   9     while a.first() == Some(&42) {
  10         // CHECK-NOT: slice_index_order_fail
  11         *a = &a[1..];
  12     }
  13 }
  14
  15 // CHECK-LABEL: @trim_in_place2
  16 #[no_mangle]
  17 pub fn trim_in_place2(a: &mut &[u8]) {
  18     while let Some(&42) = a.first() {
  19         // CHECK-NOT: slice_index_order_fail
  20         *a = &a[2..];
  21     }
  22 }