1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/TypedObject/jit-complex.js b/js/src/jit-test/tests/TypedObject/jit-complex.js
new file mode 100644
index 000000000..616e027f3
--- /dev/null
+++ b/js/src/jit-test/tests/TypedObject/jit-complex.js
@@ -0,0 +1,33 @@
+// Test that we can optimize stuff like line.target.x without
+// creating an intermediate object.
+
+if (!this.hasOwnProperty("TypedObject"))
+  quit();
+
+setJitCompilerOption("ion.warmup.trigger", 30);
+
+var PointType = new TypedObject.StructType({x: TypedObject.float64,
+                                            y: TypedObject.float64});
+var LineType = new TypedObject.StructType({source: PointType,
+                                           target: PointType});
+
+function manhattanDistance(line) {
+  return (Math.abs(line.target.x - line.source.x) +
+          Math.abs(line.target.y - line.source.y));
+}
+
+function foo() {
+  var N = 100;
+  var points = [];
+  var obj;
+  var s;
+
+  var fromAToB = new LineType({source: {x: 22, y: 44},
+                               target: {x: 66, y: 88}});
+
+  for (var i = 0; i < N; i++) {
+    assertEq(manhattanDistance(fromAToB), 88);
+  }
+}
+
+foo();