JS/Inlining: improve test for removal of binary expresions without side effect, add tests for removal of a reference to a function parameter

js/js.tests/test/org/jetbrains/kotlin/js/test/optimizer/IneffectiveStatementEliminationTest.kt

@@ -26,4 +26,6 @@ class IneffectiveStatementEliminationTest() : BasicOptimizerTest("ineffective-st
     @Test fun conditional() = box()
 
     @Test fun literal() = box()
+
+    @Test fun parameters() = box()
 }

js/js.translator/testData/js-optimizer/ineffective-statement-elimination/binary.optimized.js

@@ -10,13 +10,16 @@ function se2(value) {
 }
 
 function test1() {
-    se(); se(); se(); se(); se();
-    se(); se(); se(); se(); se();
-    se(); se(); se(); se(); se();
-    se(); se(); se(); se(); se();
-    se(); se(); se(); se(); se();
-    se(); se(); se(); se(); se();
-    se(); se(); se();
+    se("a1"); se("a2"); se("a3"); se("a4");
+    se("b1"); se("b2"); se("b3");
+    se("c1"); se("c2");
+    se("d1"); se("d2");
+    se("e1"); se("e2");
+    se("f1"); se("f2"); se("f3"); se("f4");
+    se("g1_1"); se("g1_2"); se("g2_1"); se("g2_2");
+    se("g3_1"); se("g3_2"); se("g4_1"); se("g4_2");
+    se("h1_1"); se("h1_2"); se("h2_1"); se("h2_2");
+    se("h3_1"); se("h3_2"); se("h4_1"); se("h4_2");
 }
 
 function test2() {

js/js.translator/testData/js-optimizer/ineffective-statement-elimination/binary.original.js

@@ -10,20 +10,20 @@ function se2(value) {
 }
 
 function test1() {
-    var $a = (se() - se() + se()) * se();
-    var $b = se() % se() / se();
-    var $c = se() >> se();
-    var $d = se() << se();
-    var $e = se() >>> se();
-    var $f = se() | se() & se() ^ se();
-    var $g1 = se() == se();
-    var $g2 = se() === se();
-    var $g3 = se() != se();
-    var $g4 = se() !== se();
-    var $h1 = se() > se();
-    var $h2 = se() >= se();
-    var $h3 = se() < se();
-    var $h4 = se() <= se();
+    var $a = (se("a1") - se("a2") + se("a3")) * se("a4");
+    var $b = se("b1") % se("b2") / se("b3");
+    var $c = se("c1") >> se("c2");
+    var $d = se("d1") << se("d2");
+    var $e = se("e1") >>> se("e2");
+    var $f = se("f1") | se("f2") & se("f3") ^ se("f4");
+    var $g1 = se("g1_1") == se("g1_2");
+    var $g2 = se("g2_1") === se("g2_2");
+    var $g3 = se("g3_1") != se("g3_2");
+    var $g4 = se("g4_1") !== se("g4_2");
+    var $h1 = se("h1_1") > se("h1_2");
+    var $h2 = se("h2_1") >= se("h2_2");
+    var $h3 = se("h3_1") < se("h3_2");
+    var $h4 = se("h4_1") <= se("h4_2");
 }
 
 function test2() {

js/js.translator/testData/js-optimizer/ineffective-statement-elimination/parameters.optimized.js

@@ -0,0 +1,16 @@
+var log = "";
+
+function se(x) {
+    log += x;
+    return x;
+}
+
+function test(param) {
+    se("test:" + param);
+}
+
+function box() {
+    test(23);
+    if (log != "test:23") return "fail: " + log;
+    return "OK";
+}

js/js.translator/testData/js-optimizer/ineffective-statement-elimination/parameters.original.js

@@ -0,0 +1,16 @@
+var log = "";
+
+function se(x) {
+    log += x;
+    return x;
+}
+
+function test(param) {
+    var $tmp = param + se("test:" + param);
+}
+
+function box() {
+    test(23);
+    if (log != "test:23") return "fail: " + log;
+    return "OK";
+}