Added -io option to filter IGV display

Signed-off-by: Stefan Marr <git@stefan-marr.de>

som

@@ -33,6 +33,8 @@ explore.add_argument('-i', '--igv', help='dump compilation details to IGV',
                     dest='igv', action='store_true', default=False)
 explore.add_argument('-if', '--igv-to-file', help='dump compilation details to file to be loaded by IGV',
                     dest='igv_to_file', action='store_true', default=False)
+explore.add_argument('-io', '--igv-only', help='only dump named method, use of * allowed. Uses Invokable.toString()',
+                    dest='only_igv', default=None)
 explore.add_argument('-l', '--low-level', help='enable low-level optimization output',
                     dest='low_level', action='store_true', default=False)
 explore.add_argument('-ti', '--trace-invalidation', help='trace assumption invalidation and transfers to interpreter',
@@ -184,6 +186,9 @@ if sys.argv[0].endswith('debug'):
     args.perf_warnings = True
     args.background_compilation = False
 
+if args.only_igv:
+    args.igv = True
+
 if not args.interpreter:
     # Make sure everything gets compiled
     flags += ['-Dgraal.TruffleTimeThreshold=10000000']
@@ -193,6 +198,8 @@ if args.debug:
               '-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000']
 if not args.interpreter and (args.igv or args.igv_to_file):
     flags += ['-Dgraal.Dump=Truffle,TruffleTree:2']
+if  not args.interpreter and args.only_igv:
+    flags += ['-Dgraal.MethodFilter=' + args.only_igv]
 if not args.interpreter and args.igv_to_file:
     flags += ['-Dgraal.PrintIdealGraphFile=true']
 if args.low_level: