[13] RFR (XS): 8191998: C2: inlining through MH linkers drops speculative part of argument types

Tobias Hartmann tobias.hartmann at oracle.com
Fri Jan 25 08:13:43 UTC 2019

Hi Vladimir,

looks good.

Best regards,

On 25.01.19 02:34, Vladimir Ivanov wrote:
> http://cr.openjdk.java.net/~vlivanov/8191998/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8191998
> CallGenerator::for_method_handle_inline() casts MH linker (MH::linkTo*) arguments before attempting
> inlining. If any argument has a speculative type attached, it is lost and can't be used later.
> The patch preserves speculative part while sharpening the type (if needed) based on static
> information from the MemberName instance.
> Testing: hs-precheckin-comp, hs-tier1, hs-tier2.
> Best regards,
> Vladimir Ivanov

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