[PATCH] D34081: [opt-viewer] Include default values in help output

[Brian Gesiak via Phabricator via llvm-commits]

modocache created this revision.
Herald added a subscriber: fhahn.

Python's argparse module includes a `%(default)s` format specifier that
can be used to print the default value of an option in its help text.
Use this for opt-viewer utilities' `--jobs` arguments.


https://reviews.llvm.org/D34081

Files:
  utils/opt-viewer/opt-diff.py
  utils/opt-viewer/opt-stats.py
  utils/opt-viewer/opt-viewer.py


Index: utils/opt-viewer/opt-viewer.py
===================================================================
--- utils/opt-viewer/opt-viewer.py
+++ utils/opt-viewer/opt-viewer.py
@@ -208,7 +208,7 @@
         '-j',
         default=cpu_count(),
         type=int,
-        help='Max job count (defaults to current CPU count)')
+        help='Max job count (defaults to %(default)s, the current CPU count)')
     parser.add_argument(
         '-source-dir',
         '-s',
Index: utils/opt-viewer/opt-stats.py
===================================================================
--- utils/opt-viewer/opt-stats.py
+++ utils/opt-viewer/opt-stats.py
@@ -21,7 +21,7 @@
         '-j',
         default=cpu_count(),
         type=int,
-        help='Max job count (defaults to current CPU count)')
+        help='Max job count (defaults to %(default)s, the current CPU count)')
     args = parser.parse_args()
 
     if len(args.yaml_files) == 0:
Index: utils/opt-viewer/opt-diff.py
===================================================================
--- utils/opt-viewer/opt-diff.py
+++ utils/opt-viewer/opt-diff.py
@@ -43,7 +43,7 @@
         '-j',
         default=cpu_count(),
         type=int,
-        help='Max job count (defaults to current CPU count)')
+        help='Max job count (defaults to %(default)s, the current CPU count)')
     parser.add_argument('--output', '-o', default='diff.opt.yaml')
     args = parser.parse_args()
 


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