1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1331350.js b/js/src/jit-test/tests/ion/bug1331350.js
new file mode 100644
index 0000000000..ea83bfa4fe
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1331350.js
@@ -0,0 +1,56 @@
+// |jit-test| --ion-eager
+function optimize(a, b) {
+    a = a | 0;
+    b = b | 0;
+
+    if ((a & 3) === 0) {
+        a = a + 1 | 0
+    }
+
+    if ((a & 7) !== 0) {
+        a = a + 1 | 0
+    }
+
+    return a + b | 0
+}
+
+for (var i=0; i<20; i++) {
+    assertEq(optimize(4 | 0, 6 | 0), 12);
+    assertEq(optimize(7 | 0, 11 | 0), 19);
+}
+
+function not_optimizable(a, b) {
+    a = a | 0;
+    b = b | 0;
+
+    if ((a & 3) > 0) {
+        a = a + 1 | 0
+    }
+
+    if ((a & 3) >= 0) {
+        a = a + 1 | 0
+    }
+
+    if ((a & 7) < 0) {
+        a = a + 1 | 0
+    }
+
+    if ((a & 7) <= 0) {
+        a = a + 1 | 0
+    }
+
+    if ((b & 3) === 1) {
+        b = b + 1 | 0
+    }
+
+    if ((b & 7) !== 3) {
+        b = b + 1 | 0
+    }
+
+    return a + b | 0
+}
+
+for (var i=0; i<20; i++) {
+    assertEq(not_optimizable(4 | 0, 6 | 0), 12);
+    assertEq(not_optimizable(7 | 0, 11 | 0), 20);
+}