Based on Ron Ofir's patch.

llvm-svn: 187221

Patch by Ron Ofir.

llvm-svn: 187220

Patch by Ron Ofir.

llvm-svn: 187219

llvm-svn: 187216

llvm-svn: 187215

llvm-svn: 187214

llvm-svn: 187211

llvm-svn: 187177

llvm-svn: 187170

llvm-svn: 187165

llvm-svn: 187162

llvm-svn: 187161

llvm-svn: 187100

llvm-svn: 187095

It's still not as simple as it should be because of the many duplicated
lines, but it's at least better than before.

llvm-svn: 187091

LLD still accepts both Unix and Windows style options when it's run as
link.exe. This patch does not change functionality.

llvm-svn: 187086

The /include command line option is equivalent to Unix --undefined
option, which forces the linker to resolve the given symbol name
as if it's an unresolved symbol in one of its input files. This feature
is used to link an additional object file or a shared library that no
input files refer to.

llvm-svn: 187084

llvm-svn: 187005

llvm-svn: 186996

llvm-svn: 186960

llvm-svn: 186957

llvm-svn: 186911

llvm-svn: 186888

llvm-svn: 186884

llvm-svn: 186882

llvm-svn: 186843

llvm-svn: 186771

llvm-svn: 186755

llvm-svn: 186739

llvm-svn: 186654

llvm-svn: 186650

llvm-svn: 186648

llvm-svn: 186645

The logic to search a library from the library paths will be implemented
in a different patch.

llvm-svn: 186644

llvm-svn: 186640

llvm-svn: 186630

Add support for -all_load. Enhance DarwinLdDriverTest unit test test cases to test all options parsed so far

llvm-svn: 186626

llvm-svn: 186612

llvm-svn: 186451

llvm-svn: 186450