[llvm] r208009 - Remove a call to std::exit in a library. Make "Help" return

[scott douglass]

Hi,

This patch is making 'llc -mcpu=help' land on an assert for me (after a
repetition of the help output and some spurious not-recognized messages).
Is it just me?

> llc -mcpu=help
Available CPUs for this target:
...
Available features for this target:
...
Use +feature to enable a feature, or -feature to disable it.
For example, llc -mcpu=mycpu -mattr=+feature1,-feature2
'help' is not a recognized processor for this target (ignoring processor)
Available CPUs for this target:
...
'help' is not a recognized processor for this target (ignoring processor)
'help' is not a recognized processor for this target (ignoring processor)
'help' is not a recognized processor for this target (ignoring processor)
llc:
/tmp/plgbuild/abs_build/OpenSource_llvm_0_0_562_2331917/trunk/work/src/llvm/
lib/Target/X86/X86Subtarget.cpp:234: void
llvm::X86Subtarget::resetSubtargetFeatures(llvm::StringRef,
llvm::StringRef): Assertion `(!In64BitMode || HasX86_64) && "64-bit code
requested on a subtarget that doesn't support it!"' failed.
...

> -----Original Message-----
> From: llvm-commits-bounces at cs.uiuc.edu [mailto:llvm-commits-
> bounces at cs.uiuc.edu] On Behalf Of Eric Christopher
> Sent: 05 May 2014 23:02
> To: llvm-commits at cs.uiuc.edu
> Subject: [llvm] r208009 - Remove a call to std::exit in a library. Make
"Help"
> return
> 
> Author: echristo
> Date: Mon May  5 17:01:47 2014
> New Revision: 208009
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=208009&view=rev
> Log:
> Remove a call to std::exit in a library. Make "Help" return a 0 as a
default
> answer.
> 
> Modified:
>     llvm/trunk/lib/MC/SubtargetFeature.cpp
> [...]