[llvm-dev] [RFC] Removing Waymarking from Use.

[Tyker1@outlook.com via llvm-dev]

Hi llvm-dev,

I have a patch open for review that removes waymarking https://reviews.llvm.org/D77144.

This patch removes waymarking and replaces it with storing a pointer to the User in the Use.
 when compiling the CTMark tests of the test suite, this give an average of +1.8% max memory use and -1.1% compile time.

Removing Waymarking also simplifies the code of Use and User.

Any thought?

Cheers,

Gauthier

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