RFR: 8324433: Introduce a way to determine if an expression is evaluated as a constant by the Jit compiler [v5]

[Quan Anh Mai]

On Tue, 23 Jan 2024 17:42:40 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Quan Anh Mai has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   ident
>
> src/java.base/share/classes/jdk/internal/misc/JitCompiler.java line 56:
> 
>> 54:      */
>> 55:     @IntrinsicCandidate
>> 56:     public static boolean isCompileConstant(boolean expr) {
> 
> Here and in other places: probably not `expr`, but just `val` or something?

I think of this as an expression that is always evaluated to the same value. The value itself is not interesting, it is the set of values that this expression can take that we are talking about.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17527#discussion_r1464085126