[JS IR] Drop TemporaryAssignmentElimination optimization

Enable TemporaryAssignment tests

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

@@ -1,11 +1,12 @@
 function test(n) {
     var result;
+    var $tmp;
     if (n >= 0) {
-        result = n;
-    }
-    else {
-        result = -n;
+        $tmp = n;
+    } else {
+        $tmp = -n;
     }
+    result = $tmp;
     return result;
 }
 
@@ -17,4 +18,4 @@ function box() {
     if (result != 20) return "fail2: " + result;
 
     return "OK"
-}
+}

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

@@ -1,11 +1,11 @@
 function test(n) {
-    var result;
+    var $tmp;
     if (n >= 0) {
-        result = n;
-    }
-    else {
-        result = -n;
+        $tmp = n;
+    } else {
+        $tmp = -n;
     }
+    var result = $tmp;
     return result;
 }
 
@@ -17,4 +17,4 @@ function box() {
     if (result != 20) return "fail2: " + result;
 
     return "OK"
-}
+}

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

@@ -3,17 +3,19 @@ function f(x) {
 }
 
 function box() {
-    var result1, result2;
+    var result1, result2, $a, $b;
 
     if (f(true)) {
-        result1 = "1";
+        $a = "1";
     }
+    result1 = $a;
     if (result1 !== "1") return "fail1: " + result1;
 
     if (f(false)) {
-        result2 = "1";
+        $b = "1";
     }
+    result2 = $b;
     if (result2 !== void 0) return "fail2: " + result2;
 
     return "OK";
-}
+}

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

@@ -1,10 +1,11 @@
 function test(n) {
+    var $tmp;
     if (n >= 0) {
-        return n;
-    }
-    else {
-        return -n;
+        $tmp = n;
+    } else {
+        $tmp = -n;
     }
+    return $tmp;
 }
 
 function box() {
@@ -15,4 +16,4 @@ function box() {
     if (result != 20) return "fail2: " + result;
 
     return "OK"
-}
+}

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

@@ -1,10 +1,12 @@
 function test(param) {
+    var $a;
     var result;
     if (param > 0) {
-        result = param;
+        $a = param;
     } else {
-        result = -param;
+        $a = -param;
     }
+    result = $a;
     return result;
 }
 
@@ -16,4 +18,4 @@ function box() {
     if (result != 20) return "fail2: " + result;
 
     return "OK"
-}
+}

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

@@ -3,22 +3,19 @@ function f(x) {
 }
 
 function testRegular() {
-    var result;
-    result = f("testRegular");
+    var result = f("testRegular");
     return result;
 }
 
 function testIrregular() {
-    var result;
-    result = f("testIrregular");
+    var result = f("testIrregular");
     return result;
 }
 
 function testDoubleUse1() {
-    var result;
     var $b;
     $b = f("testDoubleUse1");
-    result = $b;
+    var result = $b;
     f($b);
     return result;
 }
@@ -32,10 +29,9 @@ function testDoubleUse2() {
 }
 
 function testDoubleUse3() {
-    var result;
     var $a;
     $a = f("testDoubleUse3");
-    result = $a;
+    var result = $a;
     f($a);
     return result;
 }
@@ -68,4 +64,4 @@ function box() {
     if (result != "testCircular") return "failCircular: " + result;
 
     return "OK"
-}
+}

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

@@ -3,40 +3,43 @@ function f(x) {
 }
 
 function testCatch1() {
+    var $tmp;
     var result;
     try {
-        result = f("testCatch1");
+        $tmp = f("testCatch1");
         throw new Error();
     } catch (e) {
+        result = $tmp;
     }
     return result;
 }
 
 function testCatch2() {
+    var $tmp;
     var result;
     try {
         throw new Error();
     } catch (e) {
+        result = $tmp;
     }
     return result;
 }
 
 function testFinally() {
     var result;
-    try {
-        result = f("testFinally");
-    } finally {
-    }
+    result = f("testFinally");
     return result;
 }
 
 function testOuter() {
+    var $tmp;
     var result;
     try {
-        result = f("testOuter");
+        $tmp = f("testOuter");
     } finally {
         f("23")
     }
+    result = $tmp;
     return result;
 }
 
@@ -54,4 +57,4 @@ function box() {
     if (result !== "testOuter") return "testOuter: " + result;
 
     return "OK";
-}
+}