From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- js/src/jit-test/tests/ion/range-analysis.js | 35 +++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 js/src/jit-test/tests/ion/range-analysis.js (limited to 'js/src/jit-test/tests/ion/range-analysis.js') diff --git a/js/src/jit-test/tests/ion/range-analysis.js b/js/src/jit-test/tests/ion/range-analysis.js new file mode 100644 index 0000000000..86f4419135 --- /dev/null +++ b/js/src/jit-test/tests/ion/range-analysis.js @@ -0,0 +1,35 @@ +// |jit-test| + +// Only fails with Ion. +function add_xors_1() { + var res = 0; + var step = 4; + for (var i = 0x7fffffff | 0; i >= (1 << step); i -= (i >> step)) { + var x = i ^ (i << 1); + res += (((x + x) + res + res) | 0); + } + return res; +} + +var r1 = add_xors_1(); +for (var i = 0; i < 100; i++) { + var r2 = add_xors_1(); + assertEq(r2, r1); +} + +// Only fails with JM +function add_xors_2() { + var res = 0; + var step = 4; + for (var i = 0x7fffffff | 0; i >= (1 << step); i -= (i >> step)) { + var x = i ^ (i << 1); + res += ((x + x) + res + res) | 0; + } + return res; +} + +var r1 = add_xors_2(); +for (var i = 0; i < 100; i++) { + var r2 = add_xors_2(); + assertEq(r1, r2); +} -- cgit v1.2.3