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-rw-r--r--llvm/docs/CommandLine.rst10
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/docs/CommandLine.rst b/llvm/docs/CommandLine.rst
index 46ba6d32bb3..d34fb2c3822 100644
--- a/llvm/docs/CommandLine.rst
+++ b/llvm/docs/CommandLine.rst
@@ -128,6 +128,7 @@ this:
USAGE: compiler [options]
OPTIONS:
+ -h - Alias for -help
-help - display available options (-help-hidden for more)
-o <filename> - Specify output filename
@@ -194,6 +195,7 @@ declarations above, the ``-help`` option synopsis is now extended to:
USAGE: compiler [options] <input file>
OPTIONS:
+ -h - Alias for -help
-help - display available options (-help-hidden for more)
-o <filename> - Specify output filename
@@ -1251,6 +1253,14 @@ specify boolean properties that modify the option.
with ``cl::CommaSeparated``, this modifier only makes sense with a `cl::list`_
option.
+.. _cl::DefaultOption:
+
+* The **cl::DefaultOption** modifier is used to specify that the option is a
+ default that can be overridden by application specific parsers. For example,
+ the ``-help`` alias, ``-h``, is registered this way, so it can be overridden
+ by applications that need to use the ``-h`` option for another purpose,
+ either as a regular option or an alias for another option.
+
.. _response files:
Response files
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