the name prefix when we change them from internal to external.  This allows bugpointing
of codegen miscompilations to work more reliably on Darwin.

llvm-svn: 53236

llvm-svn: 53213

llvm-svn: 53119

for instance.

llvm-svn: 53045

Rename new lto2 tool as lto.
lto2->lto

llvm-svn: 52912

llvm-svn: 52909

llvm-svn: 52907

llvm-svn: 52827

them back to registers!

llvm-svn: 52729

llvm-svn: 52728

llvm-svn: 52726

this still compiles on windows - I can't test!

llvm-svn: 52488

llvm-svn: 52470

other) feature information. The workaround is inelegant and could be cleaned up
if this information were available some other way (say, in the IR).

llvm-svn: 52447

llvm-svn: 52289

With this more general way, -native and -native-cbe options are handled too.

llvm-svn: 52287

llvm-svn: 52286

llvm-svn: 52285

found, this ensures that messages like "Found gcc" end up on stdout where they
belong.

llvm-svn: 52235

when bugpoint is running passes in a child process.

llvm-svn: 52234

llvm-svn: 51788

llvm-svn: 51784

llvm-svn: 51782

llvm-svn: 51781

llvm-svn: 51760

llvm-svn: 51759

llvm-svn: 51758

llvm-svn: 51755

It can be handy to have all information about options gathered in a single place
to provide an overview of all supported options. This patch allows the following:

def Options : OptionList<[
(switch_option "E", (help "Help string")),
(alias_option "quiet", "q")
...
]>;

Tool-specific option properties (like 'append_cmd') have (obviously) no meaning in
this context, so the only properties that are allowed are 'help' and 'required'.

See usage example in examples/Clang.td.

llvm-svn: 51754

llvm-svn: 51753

llvm-svn: 51752

The following is now allowed:

    (case (not_empty "o"), do_something, ...)

This didn't work previously because "-o" is built-in.

llvm-svn: 51751

llvm-svn: 51749

llvm-svn: 51745

llvm-svn: 51744

llvm-svn: 51743

llvm-svn: 51742

llvm-svn: 51741

llvm-svn: 51740

llvm-svn: 51739