1 files changed, 42 insertions, 0 deletions

diff --git a/tests/codegen-llvm/issues/issue-101082.rs b/tests/codegen-llvm/issues/issue-101082.rs
new file mode 100644
index 00000000000..8d15921ddb4
--- /dev/null
+++ b/tests/codegen-llvm/issues/issue-101082.rs
@@ -0,0 +1,42 @@
+//@ compile-flags: -Copt-level=3
+//@ revisions: host x86-64 x86-64-v3
+//@ min-llvm-version: 20
+
+//@[host] ignore-x86_64
+
+// Set the base cpu explicitly, in case the default has been changed.
+//@[x86-64] only-x86_64
+//@[x86-64] compile-flags: -Ctarget-cpu=x86-64
+
+// FIXME(cuviper) x86-64-v3 in particular regressed in #131563, and the workaround
+// at the time still sometimes fails, so only verify it for the power-of-two size
+// - https://github.com/llvm/llvm-project/issues/134735
+//@[x86-64-v3] only-x86_64
+//@[x86-64-v3] min-llvm-version: 21
+//@[x86-64-v3] compile-flags: -Ctarget-cpu=x86-64-v3
+
+#![crate_type = "lib"]
+
+#[no_mangle]
+pub fn test() -> usize {
+    // CHECK-LABEL: @test(
+    // CHECK: ret {{i64|i32}} 165
+    let values = [23, 16, 54, 3, 60, 9];
+    let mut acc = 0;
+    for item in values {
+        acc += item;
+    }
+    acc
+}
+
+#[no_mangle]
+pub fn test_eight() -> usize {
+    // CHECK-LABEL: @test_eight(
+    // CHECK: ret {{i64|i32}} 220
+    let values = [23, 16, 54, 3, 60, 9, 13, 42];
+    let mut acc = 0;
+    for item in values {
+        acc += item;
+    }
+    acc
+}