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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/cacheir/shape-teleporting-2.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/cacheir/shape-teleporting-2.js')
-rw-r--r--js/src/jit-test/tests/cacheir/shape-teleporting-2.js47
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/shape-teleporting-2.js b/js/src/jit-test/tests/cacheir/shape-teleporting-2.js
new file mode 100644
index 0000000000..1b103d7ec3
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/shape-teleporting-2.js
@@ -0,0 +1,47 @@
+function A(name) { this.name = name; }
+function B() { }
+function C() { }
+
+B.prototype = A0 = new A("0");
+C.prototype = B0 = new B();
+
+var A1 = new A("1");
+var A2 = new A("2");
+
+var B1 = new B();
+var B2 = new B();
+
+var C1 = new C();
+var C2 = new C();
+
+// Object <-+- A0 <-+- B0 <-+
+// | | |
+// +- A1 +- B1 +- C1
+// | | |
+// +- A2 +- B2 +- C2
+
+Object.setPrototypeOf(C1, B1);
+Object.setPrototypeOf(C2, B2);
+
+Object.setPrototypeOf(B1, A1);
+Object.setPrototypeOf(B2, A2);
+
+// Object <-+- A0 <--- B0
+// |
+// +- A1 <--- B1 <--- C1
+// |
+// +- A2 <--- B2 <--- C2
+
+
+function getName(o) { return o.name; }
+
+// Warm up JIT
+for (var i = 0; i < 100; i++) {
+ getName(C1);
+}
+
+assertEq(B1.name, "1");
+assertEq(B2.name, "2");
+
+assertEq(getName(B1), "1");
+assertEq(getName(B2), "2");