1 files changed, 21 insertions, 0 deletions
diff --git a/tests/codegen-llvm/trailing_zeros.rs b/tests/codegen-llvm/trailing_zeros.rs
new file mode 100644
index 00000000000..0816a980992
--- /dev/null
+++ b/tests/codegen-llvm/trailing_zeros.rs
@@ -0,0 +1,21 @@
+//@ compile-flags: -Copt-level=3
+
+#![crate_type = "lib"]
+
+// CHECK-LABEL: @trailing_zeros_ge
+#[no_mangle]
+pub fn trailing_zeros_ge(val: u32) -> bool {
+    // CHECK: %[[AND:.*]] = and i32 %val, 7
+    // CHECK: %[[ICMP:.*]] = icmp eq i32 %[[AND]], 0
+    // CHECK: ret i1 %[[ICMP]]
+    val.trailing_zeros() >= 3
+}
+
+// CHECK-LABEL: @trailing_zeros_gt
+#[no_mangle]
+pub fn trailing_zeros_gt(val: u64) -> bool {
+    // CHECK: %[[AND:.*]] = and i64 %val, 15
+    // CHECK: %[[ICMP:.*]] = icmp eq i64 %[[AND]], 0
+    // CHECK: ret i1 %[[ICMP]]
+    val.trailing_zeros() > 3
+}