[llvm] [LLVM] Add FP instruction intrinsics (PR #193588)

[Princeton Ferro via llvm-commits]

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@@ -10467,6 +10459,8 @@ This instruction can also take any number of :ref:`fast-math
 flags <fastmath>`, which are optimization hints to enable otherwise
 unsafe floating-point optimizations:
 
+See also the :ref:`llvm.fneg <int_fneg>` intrinsic, which is a intrinsic variant of this instruction.
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Prince781 wrote:

Fixed: removed all "See also" cross-references from the instruction descriptions (fneg, fadd, fsub, fmul, fdiv, frem, fptrunc, fpext, fptoui, fptosi, uitofp, sitofp, fcmp).

https://github.com/llvm/llvm-project/pull/193588