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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js')
-rw-r--r--js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js47
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js b/js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js
new file mode 100644
index 0000000000..21505e9437
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js
@@ -0,0 +1,47 @@
+// |jit-test| --fast-warmup
+
+
+function foo(...args) {
+ with ({}) {}
+ return args.length;
+}
+
+function inner() {
+ // Single argument spread calls with |arguments| can be optimised.
+ return 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(), 0);
+ assertEq(outer1(), 1);
+ assertEq(outer2(), 2);
+ assertEq(outer3(), 3);
+ assertEq(outer4(), 4);
+}