Revert "Revert "Use LLVM intrinsics for madd intrinsics""
#2018
+75
−55
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linking llvm/llvm-project#179326 |
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Reverts #2014
While LLVM 22 fixes the adler32 pattern of a useless multiply by one, it does not handle a pattern found in base64 where a shift is used instead of a multiply.