Withdrawn: 8324433: Introduce a way to determine if an expression is evaluated as a constant by the Jit compiler

[duke]

On Tue, 23 Jan 2024 08:10:54 GMT, Quan Anh Mai <qamai at openjdk.org> wrote:

> Hi,
> 
> This patch introduces `JitCompiler::isConstantExpression` which can be used to statically determine whether an expression has been constant-folded by the Jit compiler, leading to more constant-folding opportunities. For example, it can be used in `MemorySessionImpl::checkValidStateRaw` to eliminate the lifetime check on global sessions without imposing additional branches on other non-global sessions. This is similar to `__builtin_constant_p` in GCC and clang.
> 
> Please kindly give your opinion as well as your reviews, thanks very much.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/17527