[clang] [llvm] Minimal support of floating-point operand bundles (PR #135658)

[Serge Pavlov via cfe-commits]

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@@ -56,6 +56,8 @@ Makes programs 10x faster by doing Special New Thing.
 Changes to the LLVM IR
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+* Floating-point operand bundles have been added.
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spavloff wrote:

Provided a bit more explanation.

https://github.com/llvm/llvm-project/pull/135658