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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/wasm/simd/ion-bug1688262.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/wasm/simd/ion-bug1688262.js')
-rw-r--r--js/src/jit-test/tests/wasm/simd/ion-bug1688262.js22
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/simd/ion-bug1688262.js b/js/src/jit-test/tests/wasm/simd/ion-bug1688262.js
new file mode 100644
index 0000000000..ebb2f72864
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/simd/ion-bug1688262.js
@@ -0,0 +1,22 @@
+// |jit-test| skip-if: !wasmSimdEnabled()
+
+// Shuffle pattern incorrectly recognized as a rotate due to a missing guard in
+// the optimizer.
+
+let ins = wasmEvalText(`
+ (module
+ (memory (export "mem") 1)
+ (func (export "test")
+ (v128.store (i32.const 0)
+ (i8x16.shuffle 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 6
+ (v128.load (i32.const 16))
+ (v128.const i32x4 0 0 0 0)))))
+`);
+
+let mem = new Int8Array(ins.exports.mem.buffer);
+let input = [10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25];
+let output = [10, 11, 12, 13, 14, 15, 16, 17, 18, 10, 11, 12, 13, 14, 15, 16];
+mem.set(input, 16);
+ins.exports.test();
+let result = Array.from(mem.subarray(0, 16));
+assertDeepEq(output, result);