From a27f3e3fd1e4d16160f8885b6b06665b5319f56c Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Mon, 21 Jul 2025 14:34:12 +0200
Subject: Rename `tests/codegen` into `tests/codegen-llvm`

---
 tests/codegen-llvm/infallible-unwrap-in-opt-z.rs | 26 ++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 tests/codegen-llvm/infallible-unwrap-in-opt-z.rs

(limited to 'tests/codegen-llvm/infallible-unwrap-in-opt-z.rs')

diff --git a/tests/codegen-llvm/infallible-unwrap-in-opt-z.rs b/tests/codegen-llvm/infallible-unwrap-in-opt-z.rs
new file mode 100644
index 00000000000..c2297c58e77
--- /dev/null
+++ b/tests/codegen-llvm/infallible-unwrap-in-opt-z.rs
@@ -0,0 +1,26 @@
+//@ compile-flags: -C opt-level=z
+//@ edition: 2021
+
+#![crate_type = "lib"]
+
+// From <https://github.com/rust-lang/rust/issues/115463>
+
+// CHECK-LABEL: @read_up_to_8(
+#[no_mangle]
+pub fn read_up_to_8(buf: &[u8]) -> u64 {
+    // CHECK-NOT: unwrap_failed
+    if buf.len() < 4 {
+        // actual instance has more code.
+        return 0;
+    }
+    let lo = u32::from_le_bytes(buf[..4].try_into().unwrap()) as u64;
+    let hi = u32::from_le_bytes(buf[buf.len() - 4..][..4].try_into().unwrap()) as u64;
+    lo | (hi << 8 * (buf.len() as u64 - 4))
+}
+
+// CHECK-LABEL: @checking_unwrap_expectation(
+#[no_mangle]
+pub fn checking_unwrap_expectation(buf: &[u8]) -> &[u8; 4] {
+    // CHECK: call void @{{.*core6result13unwrap_failed}}
+    buf.try_into().unwrap()
+}
-- 
cgit 1.4.1-3-g733a5