1 files changed, 17 insertions, 0 deletions
diff --git a/tests/codegen-llvm/intrinsics/likely_assert.rs b/tests/codegen-llvm/intrinsics/likely_assert.rs
new file mode 100644
index 00000000000..87ffb4ee3fb
--- /dev/null
+++ b/tests/codegen-llvm/intrinsics/likely_assert.rs
@@ -0,0 +1,17 @@
+//@ compile-flags: -Copt-level=3
+#![crate_type = "lib"]
+
+#[no_mangle]
+pub fn test_assert(x: bool) {
+    assert!(x);
+}
+
+// check that assert! emits branch weights
+
+// CHECK-LABEL: @test_assert(
+// CHECK: br i1 %x, label %bb2, label %bb1, !prof ![[NUM:[0-9]+]]
+// CHECK: bb1:
+// CHECK: panic
+// CHECK: bb2:
+// CHECK: ret void
+// CHECK: ![[NUM]] = !{!"branch_weights", {{(!"expected", )?}}i32 2000, i32 1}