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-rw-r--r--js/src/jit-test/tests/ion/eliminate-unreachable-1.js32
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/eliminate-unreachable-1.js b/js/src/jit-test/tests/ion/eliminate-unreachable-1.js
new file mode 100644
index 000000000..2cece911a
--- /dev/null
+++ b/js/src/jit-test/tests/ion/eliminate-unreachable-1.js
@@ -0,0 +1,32 @@
+// Test for one annoying case of the EliminateUnreachableCode
+// optimization. Here the dominators change and also phis are
+// eliminated.
+
+function test1(v) {
+ var i = 0;
+ if (v) {
+ if (v) {
+ i += 1;
+ } else {
+ i += 10;
+ }
+ i += 100;
+ } else {
+ if (v) {
+ i += 1000;
+ } else {
+ i += 10000;
+ }
+ i += 100000;
+ }
+ i += 1000000;
+ return i;
+}
+
+function test() {
+ assertEq(test1(true), 1000101);
+ assertEq(test1(false), 1110000);
+}
+
+for (var i = 0; i < 100; i++)
+ test();