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-rw-r--r--src/test/codegen/vec-calloc.rs19
1 files changed, 18 insertions, 1 deletions
diff --git a/src/test/codegen/vec-calloc.rs b/src/test/codegen/vec-calloc.rs
index 435a4ab51..ae6e448f1 100644
--- a/src/test/codegen/vec-calloc.rs
+++ b/src/test/codegen/vec-calloc.rs
@@ -1,4 +1,4 @@
-// compile-flags: -O
+// compile-flags: -O -Z merge-functions=disabled
// only-x86_64
// ignore-debug
// min-llvm-version: 15.0
@@ -144,6 +144,23 @@ pub fn vec_non_zero_tuple(n: usize) -> Vec<(i16, u8, char)> {
vec![(0, 0, 'A'); n]
}
+// CHECK-LABEL: @vec_option_bool
+#[no_mangle]
+pub fn vec_option_bool(n: usize) -> Vec<Option<bool>> {
+ // CHECK-NOT: call {{.*}}alloc::vec::from_elem
+ // CHECK-NOT: call {{.*}}reserve
+ // CHECK-NOT: call {{.*}}__rust_alloc(
+
+ // CHECK: call {{.*}}__rust_alloc_zeroed(
+
+ // CHECK-NOT: call {{.*}}alloc::vec::from_elem
+ // CHECK-NOT: call {{.*}}reserve
+ // CHECK-NOT: call {{.*}}__rust_alloc(
+
+ // CHECK: ret void
+ vec![Some(false); n]
+}
+
// Ensure that __rust_alloc_zeroed gets the right attributes for LLVM to optimize it away.
// CHECK: declare noalias ptr @__rust_alloc_zeroed(i64, i64 allocalign) unnamed_addr [[RUST_ALLOC_ZEROED_ATTRS:#[0-9]+]]