Added feature to pass llc args through to the driver. Also: * cleaned up a few formatting inconsistencies * added driver debugging option
Added feature to pass llc args through to the driver.
Also:
* cleaned up a few formatting inconsistencies
* added driver debugging option

Review URL: http://codereview.chromium.org/6578026

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@4391 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client