RFR [lworld] Compiler tests cleanup

[Tobias Hartmann]

Hi Ioi,

very nice cleanup! Thanks for doing this.

I'll sponsor.

Best regards,
Tobias

On 20.07.2018 08:40, Ioi Lam wrote:
> See original discussion at http://mail.openjdk.java.net/pipermail/valhalla-dev/2018-July/004744.html
> 
> http://cr.openjdk.java.net/~iklam/valhalla/compiler_tests_cleanup.v01/
> 
> All of the affected compilers tests have 5 scenarios that use different
> combinations of VM options. I moved the options common to all tests
> to a single place, ValueTypeTest.getVMParameters(int scenario).
> 
> In the future, we can easily add more scenarios, or fine tune the existing ones
> without going over all the tests.
> 
> Some tests add extra VM options to specific scenarios. This can be done
> by overriding ValueTypeTest.getExtraVMParameters(int scenario).
> 
> The getVMParameters and getExtraVMParameters methods are generated by
> a script that parses all the @run tags in the affected tests. (that's not
> something that a human would be capable of doing).
> 
> I also added an property -Dscenarios=1,2 so you can pick exactly which ones
> to test.
> 
> Thanks
> - Ioi