From 374f5a8091f5dadff364cda8b19f8806e268e984 Mon Sep 17 00:00:00 2001
From: ScottMcMurray <scottmcm@users.noreply.github.com>
Date: Tue, 30 May 2023 20:38:07 -0700
Subject: [PATCH] Test from_fn autovectorizes

---
 tests/codegen/autovectorize-f32x4.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/codegen/autovectorize-f32x4.rs b/tests/codegen/autovectorize-f32x4.rs
index 474ff1c4e91b9..54392be707f53 100644
--- a/tests/codegen/autovectorize-f32x4.rs
+++ b/tests/codegen/autovectorize-f32x4.rs
@@ -30,3 +30,13 @@ pub fn auto_vectorize_loop(a: [f32; 4], b: [f32; 4]) -> [f32; 4] {
     }
     c
 }
+
+// CHECK-LABEL: @auto_vectorize_array_from_fn
+#[no_mangle]
+pub fn auto_vectorize_array_from_fn(a: [f32; 4], b: [f32; 4]) -> [f32; 4] {
+// CHECK: load <4 x float>
+// CHECK: load <4 x float>
+// CHECK: fadd <4 x float>
+// CHECK: store <4 x float>
+    std::array::from_fn(|i| a[i] + b[i])
+}