[clang] [llvm] Implement operand bundles for floating-point operations (PR #109798)

[Andy Kaylor via cfe-commits]

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@@ -2994,6 +2994,29 @@ A "convergencectrl" operand bundle is only valid on a ``convergent`` operation.
 When present, the operand bundle must contain exactly one value of token type.
 See the :doc:`ConvergentOperations` document for details.
 
+.. _ob_fpe:
+
+Floating-point Environment Operand Bundles
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andykaylor wrote:

Should we place restrictions on which intrinsics these operand bundles can be attached to? It seems that they would have no meaning for non-fp intrinsics, and it's unclear whether they should require the "strictfp" attribute.

https://github.com/llvm/llvm-project/pull/109798