RFR: 8252219: C2: Randomize IGVN worklist for stress testing [v3]

[Roberto Castaneda Lozano]

On Wed, 23 Sep 2020 11:39:52 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> Roberto Castaneda Lozano has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Define 'StressSeed' option as 'uint' rather than 'uintx'
>
> src/hotspot/share/opto/node.cpp line 2333:
> 
>> 2331:
>> 2332: //-----------------------------------------------------------------------------
>> 2333: void Node_Array::swap(uint i, uint j) {
> 
> You can use the swap method from globalDefinitions.hpp.

Done, thanks! I also moved swapping to `PhaseIterGVN` to simplify the PR.

-------------

PR: https://git.openjdk.java.net/jdk/pull/242