From 19648ce5cd12b11889eccacac50c70ca8ac78fee Mon Sep 17 00:00:00 2001
From: Scott McMurray <scottmcm@users.noreply.github.com>
Date: Sun, 23 Mar 2025 18:45:08 -0700
Subject: [PATCH] codegen test for non-memcmp array comparison

---
 tests/codegen/array-cmp.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/codegen/array-cmp.rs b/tests/codegen/array-cmp.rs
index 2565a385b61..f9b7be89882 100644
--- a/tests/codegen/array-cmp.rs
+++ b/tests/codegen/array-cmp.rs
@@ -17,3 +17,15 @@ pub fn compare() -> bool {
             [0x00, 0x00, 0x48, 0x41]
         }
 }
+
+// CHECK-LABEL: @array_of_tuple_le
+// CHECK: call{{.+}}i8 @llvm.scmp.i8.i16
+// CHECK: call{{.+}}i8 @llvm.ucmp.i8.i16
+// CHECK: call{{.+}}i8 @llvm.scmp.i8.i16
+// CHECK: call{{.+}}i8 @llvm.ucmp.i8.i16
+// CHECK: %[[RET:.+]] = icmp slt i8 {{.+}}, 1
+// CHECK: ret i8 %[[RET]]
+#[no_mangle]
+pub fn array_of_tuple_le(a: &[(i16, u16); 2], b: &[(i16, u16); 2]) -> bool {
+    a <= b
+}