test/compiler/testlibrary/CompilerUtils.java

rev 10233 : 8148159: [TESTBUG] TestCompilerDirectivesCompatibility tests fails on non-tiered server VMs
Summary: Add whitebox for checking available compilers
Reviewed-by:

*** 28,37 ****
--- 28,52 ----
  import java.util.stream.IntStream;
  import sun.hotspot.WhiteBox;
  
  public class CompilerUtils {
  
+     /** {@code CompLevel::CompLevel_none} -- Interpreter */
+     public static final int COMP_LEVEL_NONE = 0;
+     /** {@code CompLevel::CompLevel_any}, {@code CompLevel::CompLevel_all} */
+     public static final int COMP_LEVEL_ANY = -1;
+     /** {@code CompLevel::CompLevel_simple} -- C1 */
+     public static final int COMP_LEVEL_SIMPLE = 1;
+     /** {@code CompLevel::CompLevel_limited_profile} -- C1, invocation & backedge counters */
+     public static final int COMP_LEVEL_LIMITED_PROFILE = 2;
+     /** {@code CompLevel::CompLevel_full_profile} -- C1, invocation & backedge counters + mdo */
+     public static final int COMP_LEVEL_FULL_PROFILE = 3;
+     /** {@code CompLevel::CompLevel_full_optimization} -- C2 or Shark */
+     public static final int COMP_LEVEL_FULL_OPTIMIZATION = 4;
+     /** Maximal value for CompLevel */
+     public static final int COMP_LEVEL_MAX = COMP_LEVEL_FULL_OPTIMIZATION;
+ 
      private CompilerUtils() {
          // to prevent from instantiation
      }
  
      /**