[LLVMdev] JIT memory manager: NeedsExactSize() ?

Reid Kleckner reid.kleckner at gmail.com
Wed Jul 21 17:01:08 PDT 2010


Oh god, rip it out.  IIRC it's just a complete parallel
reimplementation of bunch of instruction encoding stuff just to
compute the code size.

Reid

On Wed, Jul 21, 2010 at 3:52 PM, Chris Lattner <clattner at apple.com> wrote:
> The JIT has a codepath that supports JIT memory managers that return true for NeedsExactSize().  This is particularly bad for X86, because the "exact size" is not exact, and looks completely wrong in a lot of cases.  Is anyone using this?  Can I rip it out?  This stuff should go away with the mc'ization of the JIT in the long term.
>
> -Chris
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