AngularJS 1.2.x

var app = angular.module('plunker', []);

app.controller('MainCtrl', function($scope) {

});
app.directive('myDirective', function(){
  return {
    priority: 1000,
    compile: function(element){
      angular.element(element).removeAttr('ng-if').removeAttr('my-directive1');
    }
  };
});
app.directive('myDirective1', function(){
  return {
    compile: function(){
      console.log('in mydirective1');
    }
  };
});

<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.2.x" src="https://code.angularjs.org/1.2.28/angular.js" data-semver="1.2.28"></script>
    <script src="app.js"></script>
  </head>

  <body ng-controller="MainCtrl">
    <div my-directive ng-if="false" my-directive1>
      This div should be visible.
    </div>
  </body>

</html>

/* Put your css in here */