[PATCH] llc: Add 'run-pass' option

[Duncan P. N. Exon Smith]

> On 2015-Jun-26, at 13:03, Alex Lorenz <arphaman at gmail.com> wrote:
> 
> Hi bob.wilson, dexonsmith, bogner,
> 
> This patch adds a 'run-pass' option to llc, which runs the compiler only for one specified pass.
> 
> Llc already has a 'start-after' and 'stop-after' option, and this option complements the other two by making
> it easier to write tests that want to invoke a single pass only. The existing 'start-after' and 'stop-after' options
> allow this already, but it's kind of awkward as you have to specify a name of an unrelated pass that runs before the
> pass you want to test for the 'start-after' option.
> 
> REPOSITORY
>  rL LLVM
> 
> http://reviews.llvm.org/D10776

LGTM.

> 
> Files:
>  include/llvm/CodeGen/CommandFlags.h
>  include/llvm/CodeGen/Passes.h
>  include/llvm/Target/TargetMachine.h
>  lib/CodeGen/LLVMTargetMachine.cpp
>  lib/CodeGen/Passes.cpp
>  lib/Target/CppBackend/CPPBackend.cpp
>  lib/Target/CppBackend/CPPTargetMachine.h
>  test/CodeGen/Generic/run-pass.ll
>  tools/llc/llc.cpp
> 
> EMAIL PREFERENCES
>  http://reviews.llvm.org/settings/panel/emailpreferences/
> <D10776.28591.patch>