[LLVMdev] [PATCH / PROPOSAL] bitcode encoding that is ~15% smaller for large bitcode files...

Jan Voung jvoung at chromium.org
Wed Oct 10 12:15:28 PDT 2012

Yes, I had about 133K hits for INST_PHI with a negative value, out of 136K
hits of any "INST_.*" with a negative valued operand.

Overall there were 474K INST_PHI and 12 million "INST_.*" in my tests.

- Jan

On Wed, Oct 10, 2012 at 11:23 AM, Rafael EspĂ­ndola <
rafael.espindola at gmail.com> wrote:

> This looks good to me.
> Just one question, you found that forward references are only common
> with phi operands, so it is not profitable to use a signed
> representation for other operands, right?
> Cheers,
> Rafael
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