1 files changed, 211 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/map-get-bigint.js b/js/src/jit-test/tests/warp/map-get-bigint.js
new file mode 100644
index 0000000000..3b746fb81c
--- /dev/null
+++ b/js/src/jit-test/tests/warp/map-get-bigint.js
@@ -0,0 +1,211 @@
+// Similar test as "cacheir/map-get-bigint.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 + 1]));
+}
+
+function runTest(fn) {
+  fn(0);
+  fn(100);
+}
+
+function testInlineDigitsSameSign_same_map(n) {
+  var xs = [1n, 2n];
+  var ys = [3n, 4n];
+  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];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+    var w = map.get(z);
+    if (w !== undefined) c += w;
+  }
+  assertEq(c, N + N / 2);
+}
+runTest(testInlineDigitsSameSign_same_map);
+
+function testInlineDigitsDifferentSign_same_map(n) {
+  var xs = [-1n, 2n];
+  var ys = [1n, -2n];
+  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];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+    var w = map.get(z);
+    if (w !== undefined) c += w;
+  }
+  assertEq(c, N + N / 2);
+}
+runTest(testInlineDigitsDifferentSign_same_map);
+
+function testHeapDigitsSameSign_same_map(n) {
+  // Definitely uses heap digits.
+  var heap = 2n ** 1000n;
+
+  var xs = [heap + 1n, heap + 2n];
+  var ys = [heap + 3n, heap + 4n];
+  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];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+    var w = map.get(z);
+    if (w !== undefined) c += w;
+  }
+  assertEq(c, N + N / 2);
+}
+runTest(testHeapDigitsSameSign_same_map);
+
+function testHeapDigitsDifferentSign_same_map(n) {
+  // Definitely uses heap digits.
+  var heap = 2n ** 1000n;
+
+  var xs = [-(heap + 1n), heap + 2n];
+  var ys = [heap + 1n, -(heap + 2n)];
+  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];
+    var v = map.get(z);
+    if (v !== undefined) c += v;
+    var w = map.get(z);
+    if (w !== undefined) c += w;
+  }
+  assertEq(c, N + N / 2);
+}
+runTest(testHeapDigitsDifferentSign_same_map);
+
+// Duplicate the above tests, but this time use a different map.
+
+function testInlineDigitsSameSign_different_map(n) {
+  var xs = [1n, 2n];
+  var ys = [3n, 4n];
+  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];
+    var v = map1.get(z);
+    if (v !== undefined) c += v;
+    var w = map2.get(z);
+    if (w !== undefined) c += w;
+  }
+  assertEq(c, N + N / 2);
+}
+runTest(testInlineDigitsSameSign_different_map);
+
+function testInlineDigitsDifferentSign_different_map(n) {
+  var xs = [-1n, 2n];
+  var ys = [1n, -2n];
+  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];
+    var v = map1.get(z);
+    if (v !== undefined) c += v;
+    var w = map2.get(z);
+    if (w !== undefined) c += w;
+  }
+  assertEq(c, N + N / 2);
+}
+runTest(testInlineDigitsDifferentSign_different_map);
+
+function testHeapDigitsSameSign_different_map(n) {
+  // Definitely uses heap digits.
+  var heap = 2n ** 1000n;
+
+  var xs = [heap + 1n, heap + 2n];
+  var ys = [heap + 3n, heap + 4n];
+  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];
+    var v = map1.get(z);
+    if (v !== undefined) c += v;
+    var w = map2.get(z);
+    if (w !== undefined) c += w;
+  }
+  assertEq(c, N + N / 2);
+}
+runTest(testHeapDigitsSameSign_different_map);
+
+function testHeapDigitsDifferentSign_different_map(n) {
+  // Definitely uses heap digits.
+  var heap = 2n ** 1000n;
+
+  var xs = [-(heap + 1n), heap + 2n];
+  var ys = [heap + 1n, -(heap + 2n)];
+  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];
+    var v = map1.get(z);
+    if (v !== undefined) c += v;
+    var w = map2.get(z);
+    if (w !== undefined) c += w;
+  }
+  assertEq(c, N + N / 2);
+}
+runTest(testHeapDigitsDifferentSign_different_map);
+
+// Test the alias information is correct.
+
+function test_alias(n) {
+  var xs = [1n, 2n];
+  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, 1);
+    var v = map.get(x);
+
+    map.delete(x);
+    var w = map.get(x);
+
+    c += v;
+    assertEq(w, undefined);
+  }
+  assertEq(c, N);
+}
+runTest(test_alias);