1 files changed, 307 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/map-has-nongcthing.js b/js/src/jit-test/tests/warp/map-has-nongcthing.js
new file mode 100644
index 0000000000..808e1c95b0
--- /dev/null
+++ b/js/src/jit-test/tests/warp/map-has-nongcthing.js
@@ -0,0 +1,307 @@
+// Similar test as "cacheir/map-has-nongcthing.js", except that we now perform
+// duplicate lookups to ensure GVN works properly.
+
+// Return a new map, possibly filling some dummy entries to enforce creating
+// multiple hash buckets.
+function createMap(values, n) {
+  var xs = [...values];
+  for (var i = 0; i < n; ++i) {
+    xs.push({});
+  }
+  return new Map(xs.map((x, i) => [x, i]));
+}
+
+function runTest(fn) {
+  fn(0);
+  fn(100);
+}
+
+function testInt32_same_map(n) {
+  var xs = [1, 2];
+  var ys = [3, 4];
+  var zs = [...xs, ...ys];
+  var map = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map.has(z)) c++;
+    if (map.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testInt32_same_map);
+
+function testDouble_same_map(n) {
+  var xs = [Math.PI, Infinity];
+  var ys = [Math.E, -Infinity];
+  var zs = [...xs, ...ys];
+  var map = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map.has(z)) c++;
+    if (map.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testDouble_same_map);
+
+function testZero_same_map(n) {
+  var xs = [0, -0];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map = createMap([0], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map.has(z)) c++;
+    if (map.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testZero_same_map);
+
+function testNaN_same_map(n) {
+  var xs = [NaN, -NaN];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map = createMap([NaN], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map.has(z)) c++;
+    if (map.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testNaN_same_map);
+
+function testUndefinedAndNull_same_map(n) {
+  var xs = [undefined, null];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map.has(z)) c++;
+    if (map.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testUndefinedAndNull_same_map);
+
+function testBoolean_same_map(n) {
+  var xs = [true, false];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map.has(z)) c++;
+    if (map.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testBoolean_same_map);
+
+// Duplicate the above tests, but this time use a different map.
+
+function testInt32_different_map(n) {
+  var xs = [1, 2];
+  var ys = [3, 4];
+  var zs = [...xs, ...ys];
+  var map1 = createMap(xs, n);
+  var map2 = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map1.has(z)) c++;
+    if (map2.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testInt32_different_map);
+
+function testDouble_different_map(n) {
+  var xs = [Math.PI, Infinity];
+  var ys = [Math.E, -Infinity];
+  var zs = [...xs, ...ys];
+  var map1 = createMap(xs, n);
+  var map2 = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map1.has(z)) c++;
+    if (map2.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testDouble_different_map);
+
+function testZero_different_map(n) {
+  var xs = [0, -0];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map1 = createMap([0], n);
+  var map2 = createMap([0], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map1.has(z)) c++;
+    if (map2.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testZero_different_map);
+
+function testNaN_different_map(n) {
+  var xs = [NaN, -NaN];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map1 = createMap([NaN], n);
+  var map2 = createMap([NaN], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map1.has(z)) c++;
+    if (map2.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testNaN_different_map);
+
+function testUndefinedAndNull_different_map(n) {
+  var xs = [undefined, null];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map1 = createMap(xs, n);
+  var map2 = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map1.has(z)) c++;
+    if (map2.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testUndefinedAndNull_different_map);
+
+function testBoolean_different_map(n) {
+  var xs = [true, false];
+  var ys = [1, -1];
+  var zs = [...xs, ...ys];
+  var map1 = createMap(xs, n);
+  var map2 = createMap(xs, n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var z = zs[i & 3];
+    if (map1.has(z)) c++;
+    if (map2.has(z)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testBoolean_different_map);
+
+// Test the alias information is correct.
+
+function testInt32_alias(n) {
+  var xs = [1, 2];
+  var map = createMap([], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var x = xs[i & 1];
+
+    map.set(x, x);
+    if (map.has(x)) c++;
+
+    map.delete(x);
+    if (map.has(x)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testInt32_alias);
+
+function testDouble_alias(n) {
+  var xs = [Math.PI, Infinity];
+  var map = createMap([], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var x = xs[i & 1];
+
+    map.set(x, x);
+    if (map.has(x)) c++;
+
+    map.delete(x);
+    if (map.has(x)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testDouble_alias);
+
+function testUndefinedAndNull_alias(n) {
+  var xs = [undefined, null];
+  var map = createMap([], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var x = xs[i & 1];
+
+    map.set(x, x);
+    if (map.has(x)) c++;
+
+    map.delete(x);
+    if (map.has(x)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testUndefinedAndNull_alias);
+
+function testBoolean_alias(n) {
+  var xs = [true, false];
+  var map = createMap([], n);
+
+  var N = 100;
+  var c = 0;
+  for (var i = 0; i < N; ++i) {
+    var x = xs[i & 1];
+
+    map.set(x, x);
+    if (map.has(x)) c++;
+
+    map.delete(x);
+    if (map.has(x)) c++;
+  }
+  assertEq(c, N);
+}
+runTest(testBoolean_alias);