Refer to -help instead of --help since this is what tools themselves say.

Also, have tools output -help-hidden rather than refer to --help-hidden,
for consistency, and likewise adjust documentation.  This doesn't change
every mention of --help, only those which seemed clearly safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96578 91177308-0d34-0410-b5e6-96231b3b80d8

docs/CommandGuide/bugpoint.pod

@@ -85,7 +85,7 @@ mis-management.
 Continually randomize the specified passes and run them on the test program
 until a bug is found or the user kills B<bugpoint>. 
 
-=item B<--help>
+=item B<-help>
 
 Print a summary of command line options.
 
@@ -99,9 +99,9 @@ it runs, to come from that file.
 Load the dynamic object F<plugin> into B<bugpoint> itself.  This object should
 register new optimization passes.  Once loaded, the object will add new command
 line options to enable various optimizations.  To see the new complete list of
-optimizations, use the B<--help> and B<--load> options together; for example:
+optimizations, use the B<-help> and B<--load> options together; for example:
 
-    bugpoint --load myNewPass.so --help
+    bugpoint --load myNewPass.so -help
 
 =item B<--mlimit> F<megabytes>