IDEA-169534 Decompiler overuses ternary operation

testData/src/pkg/TestIffSimplification.java

@@ -0,0 +1,48 @@
+package pkg;
+
+import java.lang.Math;
+
+public class TestIffSimplification {
+    public int simpleIff(boolean status, int[] values) {
+        return status ? values[0] : values[1];
+    }
+
+    public int simpleIf(boolean status, int[] values) {
+        if (status) {
+            return values[0];
+        }
+        else {
+            return values[1];
+        }
+    }
+
+    public int nestedIf(boolean status, boolean condition, int[] values) {
+        if (status) {
+            if (condition) {
+                return values[2];
+            }
+            else {
+                return values[0];
+            }
+        }
+        else {
+            return values[1];
+        }
+    }
+
+    public int compareTo(int mc1, int mc2, byte csg1, byte csg2, double score1, double score2, int doc1, int doc2) {
+        if (mc1 != mc2) {
+            return mc1 < mc2 ? 1 : -1;
+        }
+
+        if (csg1 != csg2) {
+            return csg1 < csg2 ? 1 : -1;
+        }
+
+        if (Math.abs(score1 - score2) < 1e-6) {
+            return doc1 < doc2 ? -1 : 1;
+        }
+
+        return score1 < score2 ? 1 : -1;
+    }
+}