[optimize]添加更为通用的除法强度削减Pass, 不受除数限制替换div指令，不影响当前分数

test_div_optimization.sy

@@ -0,0 +1,9 @@
+int main() {
+    int a = 100;
+    int b = a / 4;
+    int c = a / 8;
+    int d = a / 16;
+    int e = a / 7;
+    int f = a / 3;
+    return b + c + d + e;
+}