JS/Inlining: refactor TemporaryAssignmentElimination, add more tests

js/js.translator/testData/js-optimizer/temporary-assignment/transitiveChain.optimized.js

@@ -0,0 +1,71 @@
+function f(x) {
+    return x;
+}
+
+function testRegular() {
+    var result;
+    result = f("testRegular");
+    return result;
+}
+
+function testIrregular() {
+    var result;
+    result = f("testIrregular");
+    return result;
+}
+
+function testDoubleUse1() {
+    var result;
+    var $b;
+    $b = f("testDoubleUse1");
+    result = $b;
+    f($b);
+    return result;
+}
+
+function testDoubleUse2() {
+    var $d;
+    $d = f("testDoubleUse2");
+    var result = $d;
+    f($d);
+    return result;
+}
+
+function testDoubleUse3() {
+    var result;
+    var $a;
+    $a = f("testDoubleUse3");
+    result = $a;
+    f($a);
+    return result;
+}
+
+function testCircular() {
+    var $b;
+    $b = f("testCircular");
+    $b = $b;
+    var result = $b;
+    return result;
+}
+
+function box() {
+    var result = testRegular();
+    if (result != "testRegular") return "failRegular: " + result;
+
+    result = testIrregular();
+    if (result != "testIrregular") return "failIrregular: " + result;
+
+    result = testDoubleUse1();
+    if (result != "testDoubleUse1") return "failDoubleUse1: " + result;
+
+    result = testDoubleUse2();
+    if (result != "testDoubleUse2") return "failDoubleUse2: " + result;
+
+    result = testDoubleUse3();
+    if (result != "testDoubleUse3") return "failDoubleUse3: " + result;
+
+    result = testCircular();
+    if (result != "testCircular") return "failCircular: " + result;
+
+    return "OK"
+}