RFR: JDK-8287061: Support for rematerializing scalar replaced objects participating in allocation merges [v4]

[Xin Liu]

On Fri, 24 Mar 2023 23:37:29 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> I had to make this method static because it uses `value_from_mem` - which I also made static. I had to make `value_from_mem` static so that I can use it outside PhaseMacroExpand.
>
> I see, you use it in escape.cpp. Okay. I need to review changes there too.

or you could construct a temporary PhaseMacroExpand object in EA. 

I see that you convert many member function to static so you can query in EA. the only blocker is _igvn.

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PR Review Comment: https://git.openjdk.org/jdk/pull/12897#discussion_r1154785040