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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/warp/map-get-string.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/warp/map-get-string.js')
-rw-r--r--js/src/jit-test/tests/warp/map-get-string.js162
1 files changed, 162 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/map-get-string.js b/js/src/jit-test/tests/warp/map-get-string.js
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+++ b/js/src/jit-test/tests/warp/map-get-string.js
@@ -0,0 +1,162 @@
+// Similar test as "cacheir/map-get-string.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 testConstant_different_map(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ 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(testConstant_different_map);
+
+function testComputed_different_map(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ 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];
+ z = String.fromCharCode(z.charCodeAt(0));
+ 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(testComputed_different_map);
+
+function testRope_different_map(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ var zs = [...xs, ...ys];
+ var map = createMap(xs.map(x => x.repeat(100)), n);
+
+ var N = 100;
+ var c = 0;
+ for (var i = 0; i < N; ++i) {
+ var z = zs[i & 3].repeat(100);
+ 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(testRope_different_map);
+
+// Duplicate the above tests, but this time use a different map.
+
+function testConstant_different_map(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ 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(testConstant_different_map);
+
+function testComputed_different_map(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ 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];
+ z = String.fromCharCode(z.charCodeAt(0));
+ 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(testComputed_different_map);
+
+function testRope_different_map(n) {
+ var xs = ["a", "b"];
+ var ys = ["c", "d"];
+ var zs = [...xs, ...ys];
+ var map1 = createMap(xs.map(x => x.repeat(100)), n);
+ var map2 = createMap(xs.map(x => x.repeat(100)), n);
+
+ var N = 100;
+ var c = 0;
+ for (var i = 0; i < N; ++i) {
+ var z = zs[i & 3].repeat(100);
+ 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(testRope_different_map);
+
+// Test the alias information is correct.
+
+function test_alias(n) {
+ var xs = ["a", "b"];
+ 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);