From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../warp/scalar-replace-array-construct-array.js | 48 ++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 js/src/jit-test/tests/warp/scalar-replace-array-construct-array.js (limited to 'js/src/jit-test/tests/warp/scalar-replace-array-construct-array.js') diff --git a/js/src/jit-test/tests/warp/scalar-replace-array-construct-array.js b/js/src/jit-test/tests/warp/scalar-replace-array-construct-array.js new file mode 100644 index 0000000000..cd3b02c4e5 --- /dev/null +++ b/js/src/jit-test/tests/warp/scalar-replace-array-construct-array.js @@ -0,0 +1,48 @@ +// |jit-test| --fast-warmup; --no-threads + +setJitCompilerOption("baseline.warmup.trigger", 0); +setJitCompilerOption("ion.warmup.trigger", 100); + +// Prevent GC from cancelling/discarding Ion compilations. +gczeal(0); + +// Create a fresh set of functions for each argument count to avoid type pollution. +function makeTest(count) { + var args = Array(count).fill(0).join(","); + + return Function(` + class Base { + constructor() { + this.count = arguments.length; + } + } + + class C extends Base { + constructor(...args) { + // When |C| is inlined into its caller, the number of arguments is fixed and + // we can scalar replace the inlined rest array. + assertRecoveredOnBailout(args, true); + return super(...args); + } + } + + // |C| must be small enough to be inlined into the test function. + assertEq(isSmallFunction(C), true); + + function test() { + for (let i = 0; i < 1000; ++i) { + let obj = new C(${args}); + assertEq(obj.count, ${count}); + } + } + + return test; + `)(); +} + +// Limited by gc::CanUseFixedElementsForArray(), see also WarpBuilder::build_Rest(). +const maxRestArgs = 14; + +for (let i = 0; i <= maxRestArgs; ++i) { + makeTest(i)(); +} -- cgit v1.2.3