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

[Alex Lorenz]

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

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
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