From ddb94dbd16760d6de5e3a9cbbffb66e161691786 Mon Sep 17 00:00:00 2001
From: Lzu Tao <taolzu@gmail.com>
Date: Mon, 20 May 2024 19:40:50 +0000
Subject: [PATCH] add codegen test for #110797

---
 .../issues/issue-110797-enum-jump-same.rs     | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tests/codegen/issues/issue-110797-enum-jump-same.rs

diff --git a/tests/codegen/issues/issue-110797-enum-jump-same.rs b/tests/codegen/issues/issue-110797-enum-jump-same.rs
new file mode 100644
index 00000000000..bfd10c0a582
--- /dev/null
+++ b/tests/codegen/issues/issue-110797-enum-jump-same.rs
@@ -0,0 +1,27 @@
+//@ compile-flags: -O
+// XXX: The x86-64 assembly get optimized correclty. But llvm-ir output is not until llvm 18?
+//@ min-llvm-version: 18
+
+#![crate_type = "lib"]
+
+pub enum K{
+    A(Box<[i32]>),
+    B(Box<[u8]>),
+    C(Box<[String]>),
+    D(Box<[u16]>),
+}
+
+#[no_mangle]
+// CHECK-LABEL: @get_len
+// CHECK: getelementptr inbounds
+// CHECK-NEXT: load
+// CHECK-NEXT: ret i64
+// CHECK-NOT: switch
+pub fn get_len(arg: &K)->usize{
+    match arg {
+        K::A(ref lst)=>lst.len(),
+        K::B(ref lst)=>lst.len(),
+        K::C(ref lst)=>lst.len(),
+        K::D(ref lst)=>lst.len(),
+    }
+}