llvm / llvm/llvm-project

[Clang] Add __builtin_masked_compress/__builtin_masked_expand

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clang
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Description

There is already
`__builtin_masked_expand_load` and
`__builtin_masked_compress_store`
but there is no variant without load/store variants yet

It would be usefull for more sophisticated/specialised algorithms and data flows

Contributor guide

Open the contributing guide

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