diff options
Diffstat (limited to 'js/src/jit-test/tests/arguments/inline-arguments-new-spread-optimization.js')
-rw-r--r-- | js/src/jit-test/tests/arguments/inline-arguments-new-spread-optimization.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/inline-arguments-new-spread-optimization.js b/js/src/jit-test/tests/arguments/inline-arguments-new-spread-optimization.js new file mode 100644 index 0000000000..2dab581e68 --- /dev/null +++ b/js/src/jit-test/tests/arguments/inline-arguments-new-spread-optimization.js @@ -0,0 +1,47 @@ +// |jit-test| --fast-warmup + + +function foo(...args) { + with ({}) {} + return {result: args.length}; +} + +function inner() { + // Single argument spread calls with |arguments| can be optimised. + return new foo(...arguments); +} + +function outer0() { + trialInline(); + return inner(); +} + +function outer1() { + trialInline(); + return inner(1); +} + +function outer2() { + trialInline(); + return inner(1, 2); +} + +function outer3() { + trialInline(); + return inner(1,2,3) +} + +function outer4() { + trialInline(); + return inner(1,2,3,4) +} + +with ({}) {} + +for (var i = 0; i < 50; i++) { + assertEq(outer0().result, 0); + assertEq(outer1().result, 1); + assertEq(outer2().result, 2); + assertEq(outer3().result, 3); + assertEq(outer4().result, 4); +} |