Upload Kmake

deps/v8/test/mjsunit/compiler/osr-manual1.js

@@ -0,0 +1,37 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --use-osr
+
+var counter = 111;
+
+function gen(w) {  // defeat compiler cache.
+ var num = counter++;
+  var Z = [ "", "", "", ];
+  Z[w] = "%OptimizeOsr(); %PrepareFunctionForOptimization(f" + num + ")";
+  var src =
+    "function f" + num + "(a,b,c) {" +
+    "  var x = 0;" +
+    "  var y = 0;" +
+    "  var z = 0;" +
+    "  while (a > 0) { " + Z[0] + "; x += 19; a--; }" +
+    "  while (b > 0) { " + Z[1] + "; y += 23; b--; }" +
+    "  while (c > 0) { " + Z[2] + "; z += 29; c--; }" +
+    "  return x + y + z;" +
+    "} f" + num;
+  return eval(src);
+}
+%PrepareFunctionForOptimization(gen);
+
+function check(x,a,b,c) {
+  for (var i = 0; i < 3; i++) {
+    var f = gen(i);
+    %PrepareFunctionForOptimization(f);
+    assertEquals(x, f(a, b, c));
+  }
+}
+
+check(213, 3,3,3);
+check(365, 4,5,6);
+check(6948, 99,98,97);