1 files changed, 16 insertions, 0 deletions
diff --git a/tests/codegen-llvm/vtable-loads.rs b/tests/codegen-llvm/vtable-loads.rs
new file mode 100644
index 00000000000..aa103ec6f7c
--- /dev/null
+++ b/tests/codegen-llvm/vtable-loads.rs
@@ -0,0 +1,16 @@
+//@ compile-flags: -Copt-level=3
+
+#![crate_type = "lib"]
+
+// CHECK-LABEL: @loop_skips_vtable_load
+#[no_mangle]
+pub fn loop_skips_vtable_load(x: &dyn Fn()) {
+    // CHECK: load ptr, ptr %0{{.*}}, !invariant.load
+    // CHECK-NEXT: tail call void %1
+    // CHECK-NOT: load ptr
+    x();
+    for _ in 0..100 {
+        // CHECK: tail call void %1
+        x();
+    }
+}