[llvm] r212164 - InstCombine: Don't turn -(x/INT_MIN) -> x/INT_MIN

[Sean Silva]

On Wed, Jul 2, 2014 at 1:07 AM, Chandler Carruth <chandlerc at google.com>
wrote:

>
> On Tue, Jul 1, 2014 at 11:54 PM, David Majnemer <david.majnemer at gmail.com>
> wrote:
>
>> cmpl $-2147483648, %edi
>>
>
> There has to be a less crazy way to test for -1... encoding this massive
> immediate makes me sad.
>

Sign-extended imm8 should only take 1 byte.

-- Sean Silva
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