RFR: 8277906: Incorrect type for IV phi of long counted loops after CCP

[Roland Westrelin]

On Wed, 1 Dec 2021 13:30:24 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> This failure occurs because the iv phi of a long counted loop has the
>> wrong type after CCP. That happens because, during CCP, after the type
>> of the limit of the counted loop is updated, the type of the iv phi is
>> not recomputed. The fix is to apply to long counted loops the logic
>> that already exists for int counted loop.
>
> Okay, makes sense.

@TobiHartmann @chhagedorn thanks for the reviews.

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PR: https://git.openjdk.java.net/jdk/pull/6632