[PATCH] D56549: Add support for prefix-only CLI options

[Thomas Preud'homme via Phabricator via llvm-commits]

thopre created this revision.
thopre added a reviewer: jdenny.

Add support for options that always prefix their value, giving an error
if the value is in the next argument or if the option is given a value
assignment (ie. opt=val). This is the desired behavior for the -D option
of FileCheck for instance.


Repository:
  rL LLVM

https://reviews.llvm.org/D56549

Files:
  llvm/include/llvm/Support/CommandLine.h
  llvm/lib/Support/CommandLine.cpp
  llvm/unittests/Support/CommandLineTest.cpp

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