1 files changed, 72 insertions, 0 deletions
diff --git a/js/src/tests/js1_8_1/jit/regress-452498-01.js b/js/src/tests/js1_8_1/jit/regress-452498-01.js
new file mode 100644
index 000000000..4ccd4476f
--- /dev/null
+++ b/js/src/tests/js1_8_1/jit/regress-452498-01.js
@@ -0,0 +1,72 @@
+// |reftest| skip -- bogus perf test (bug 540512)
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 452498;
+var summary = 'TM: upvar2: jit heavyweight functions';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function complex(aReal, aImag) {
+  this.r = aReal;
+  this.i = aImag;
+  this.square = function() {
+    return new complex(this.r * this.r - this.i * this.i,
+                       2 * this.r * this.i);
+  }
+  this.dist = function() {
+    return Math.sqrt(this.r * this.r + this.i * this.i);
+  }
+  this.add = function(aComplex) {
+    return new complex(this.r + aComplex.r, this.i + aComplex.i);
+  }
+}
+
+function mandelbrotValueOO (aC, aIterMax) {
+  let Z = new complex(0.0, 0.0);
+  for (var iter = 0; iter < aIterMax; iter++) {
+    Z = Z.square().add(aC);
+    if (Z.r * Z.r + Z.i * Z.i > 256) { break; }
+  }
+  return iter;
+}
+
+function f(trace) {
+  var start = Date.now();
+  const width = 60;
+  const height = 60;
+  const max_iters = 50;
+  var output = [];
+  for (let img_x = 0; img_x < width; img_x++) {
+    for (let img_y = 0; img_y < height; img_y++) {
+      let C = new complex(-2 + (img_x / width) * 3,
+                          -1.5 + (img_y / height) * 3);
+      var res = mandelbrotValueOO(C, max_iters);
+      if (output.length > 0 && output[output.length -1][0] == res) {
+        output[output.length-1][1]++;
+      } else {
+        output.push([res, 1]);
+      }
+    }
+  }
+  const reference = "[[2, 6], [3, 17], [4, 6], [5, 1], [50, 1], [5, 1], [4, 6], [3, 17], [2, 10], [3, 17], [4, 6], [5, 1], [6, 1], [50, 1], [6, 1], [5, 1], [4, 6], [3, 17], [2, 8], [3, 17], [4, 6], [5, 2], [6, 1], [50, 1], [6, 1], [5, 2], [4, 6], [3, 17], [2, 6], [3, 17], [4, 6], [5, 2], [6, 1], [7, 1], [50, 1], [7, 1], [6, 1], [5, 2], [4, 6], [3, 17], [2, 4], [3, 17], [4, 7], [5, 2], [6, 1], [8, 1], [50, 1], [8, 1], [6, 1], [5, 2], [4, 7], [3, 17], [2, 2], [3, 17], [4, 7], [5, 3], [6, 1], [9, 1], [50, 1], [9, 1], [6, 1], [5, 3], [4, 7], [3, 17], [2, 1], [3, 16], [4, 7], [5, 3], [6, 2], [8, 1], [50, 1], [8, 1], [6, 2], [5, 3], [4, 7], [3, 32], [4, 7], [5, 4], [6, 1], [7, 1], [8, 1], [50, 1], [8, 1], [7, 1], [6, 1], [5, 4], [4, 7], [3, 31], [4, 7], [5, 3], [6, 2], [7, 1], [8, 1], [50, 1], [8, 1], [7, 1], [6, 2], [5, 3], [4, 7], [3, 30], [4, 7], [5, 4], [6, 2], [7, 1], [8, 1], [50, 1], [8, 1], [7, 1], [6, 2], [5, 4], [4, 7], [3, 28], [4, 7], [5, 4], [6, 2], [7, 1], [8, 1], [10, 1], [50, 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1], [7, 1], [6, 1], [5, 3], [4, 7], [3, 19], [4, 7], [5, 3], [6, 2], [7, 1], [10, 1], [21, 1], [50, 11], [21, 1], [10, 1], [7, 1], [6, 2], [5, 3], [4, 7], [3, 18], [4, 7], [5, 4], [6, 1], [7, 1], [8, 1], [9, 1], [13, 1], [25, 1], [50, 9], [25, 1], [13, 1], [9, 1], [8, 1], [7, 1], [6, 1], [5, 4], [4, 7], [3, 17], [4, 7], [5, 4], [6, 1], [7, 1], [8, 1], [14, 2], [50, 11], [14, 2], [8, 1], [7, 1], [6, 1], [5, 4], [4, 7], [3, 16], [4, 7], [5, 4], [6, 2], [7, 1], [8, 1], [11, 1], [36, 1], [50, 11], [36, 1], [11, 1], [8, 1], [7, 1], [6, 2], [5, 4], [4, 7], [3, 15], [4, 7], [5, 4], [6, 2], [7, 1], [8, 1], [9, 1], [14, 1], [50, 11], [14, 1], [9, 1], [8, 1], [7, 1], [6, 2], [5, 4], [4, 7], [3, 14], [4, 7], [5, 4], [6, 3], [7, 1], [8, 1], [9, 1], [12, 1], [26, 1], [50, 9], [26, 1], [12, 1], [9, 1], [8, 1], [7, 1], [6, 3], [5, 4], [4, 7], [3, 13], [4, 7], [5, 4], [6, 2], [7, 2], [8, 1], [9, 1], [10, 1], [15, 1], [50, 9], [15, 1], [10, 1], [9, 1], [8, 1], [7, 2], [6, 2], [5, 4], [4, 7], [3, 12], 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[16, 1], [8, 1], [6, 1], [5, 3], [4, 5], [3, 15], [4, 6], [5, 3], [6, 4], [7, 1], [20, 1], [19, 1], [9, 3], [7, 3], [6, 1], [7, 3], [9, 3], [19, 1], [20, 1], [7, 1], [6, 4], [5, 3], [4, 6], [3, 16], [4, 7], [5, 4], [6, 3], [7, 1], [6, 13], [7, 1], [6, 3], [5, 4], [4, 7], [3, 18], [4, 7], [5, 27], [4, 7], [3, 20], [4, 9], [5, 21], [4, 9], [3, 23], [4, 12], [5, 11], [4, 12], [3, 26], [4, 33], [3, 29], [4, 29], [3, 33], [4, 25], [3, 38], [4, 19], [3, 20], [2, 1], [3, 26], [4, 7], [3, 26], [2, 2], [3, 57], [2, 1]]";
+  reportCompare(reference, output.toSource(), summary + ': correctness jit=' + trace);
+  return (Date.now() - start);
+}
+
+
+var timenonjit = f(false);
+var timejit = f(true);
+
+expect = true;
+actual = timejit < timenonjit;
+
+print('time nonjit: ' + timenonjit + ', time    jit: ' + timejit);
+
+reportCompare(expect, actual, summary);