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-rw-r--r--src/test/codegen/iter-repeat-n-trivial-drop.rs56
1 files changed, 0 insertions, 56 deletions
diff --git a/src/test/codegen/iter-repeat-n-trivial-drop.rs b/src/test/codegen/iter-repeat-n-trivial-drop.rs
deleted file mode 100644
index 20e1d9b4d..000000000
--- a/src/test/codegen/iter-repeat-n-trivial-drop.rs
+++ /dev/null
@@ -1,56 +0,0 @@
-// compile-flags: -O
-// only-x86_64
-// ignore-debug: the debug assertions get in the way
-
-#![crate_type = "lib"]
-#![feature(iter_repeat_n)]
-
-#[derive(Clone)]
-pub struct NotCopy(u16);
-
-impl Drop for NotCopy {
- fn drop(&mut self) {}
-}
-
-// For a type where `Drop::drop` doesn't do anything observable and a clone is the
-// same as a move, make sure that the extra case for the last item disappears.
-
-#[no_mangle]
-// CHECK-LABEL: @iter_repeat_n_next
-pub fn iter_repeat_n_next(it: &mut std::iter::RepeatN<NotCopy>) -> Option<NotCopy> {
- // CHECK-NEXT: start:
- // CHECK-NOT: br
- // CHECK: %[[COUNT:.+]] = load i64
- // CHECK-NEXT: %[[COUNT_ZERO:.+]] = icmp eq i64 %[[COUNT]], 0
- // CHECK-NEXT: br i1 %[[COUNT_ZERO]], label %[[EMPTY:.+]], label %[[NOT_EMPTY:.+]]
-
- // CHECK: [[NOT_EMPTY]]:
- // CHECK-NEXT: %[[DEC:.+]] = add i64 %[[COUNT]], -1
- // CHECK-NEXT: store i64 %[[DEC]]
- // CHECK-NOT: br
- // CHECK: %[[VAL:.+]] = load i16
- // CHECK-NEXT: br label %[[EMPTY]]
-
- // CHECK: [[EMPTY]]:
- // CHECK-NOT: br
- // CHECK: phi i16 [ undef, %start ], [ %[[VAL]], %[[NOT_EMPTY]] ]
- // CHECK-NOT: br
- // CHECK: ret
-
- it.next()
-}
-
-// And as a result, using the iterator can optimize without special cases for
-// the last iteration, like `memset`ing all the items in one call.
-
-#[no_mangle]
-// CHECK-LABEL: @vec_extend_via_iter_repeat_n
-pub fn vec_extend_via_iter_repeat_n() -> Vec<u8> {
- // CHECK: %[[ADDR:.+]] = tail call dereferenceable_or_null(1234) ptr @__rust_alloc(i64 1234, i64 1)
- // CHECK: tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 1 dereferenceable(1234) %[[ADDR]], i8 42, i64 1234,
-
- let n = 1234_usize;
- let mut v = Vec::with_capacity(n);
- v.extend(std::iter::repeat_n(42_u8, n));
- v
-}