*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/debug/LIRGenerationDebugContext.java	Fri Jul  7 09:31:02 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/debug/LIRGenerationDebugContext.java	Fri Jul  7 09:31:02 2017

*** 20,30 ****
--- 20,30 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package org.graalvm.compiler.lir.debug;
  
! import org.graalvm.compiler.debug.DebugContext;
  import org.graalvm.compiler.lir.LIR;
  
  import jdk.vm.ci.meta.Value;
  
  /**

*** 36,56 ****
--- 36,56 ----
       * Gets an object that represents the source of an {@link LIR} {@link Value operand} in a higher
       * representation.
       */
      Object getSourceForOperand(Value value);
  
!     static LIRGenerationDebugContext getFromDebugContext(DebugContext debug) {
!         if (Debug.isEnabled()) {
!             LIRGenerationDebugContext lirGen = Debug.contextLookup(LIRGenerationDebugContext.class);
!         if (debug.areScopesEnabled()) {
!             LIRGenerationDebugContext lirGen = debug.contextLookup(LIRGenerationDebugContext.class);
              assert lirGen != null;
              return lirGen;
          }
          return null;
      }
  
!     static Object getSourceForOperandFromDebugContext(DebugContext debug, Value value) {
!         LIRGenerationDebugContext gen = getFromDebugContext(debug);
          if (gen != null) {
              return gen.getSourceForOperand(value);
          }
          return null;
      }