[Executable Attachment Removed] Re: [llvm] r179060 - Update the docs about the fact that the loop vectorizer is enabled by default for -O3.

[Nadav Rotem]

On Apr 8, 2013, at 2:47 PM, Hal Finkel <hfinkel at anl.gov> wrote:

> This makes it sound like -O2 -fvectorize will not vectorize at all. Is that right?


Yes, this is correct.  I don't like it, but this is what we have right now.  We need to change the clang-driver to pass one of three values: "user_said_yes", "user_said_no" and "not_specified".