[llvm] [LLVM][MDL] First integration of MDL with LLVM (PR #78002)

[Aart Bik via llvm-commits]

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+# MDL: A Micro-Architecture Description Language for LLVM
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+November 2022                                   Reid Tatge        [tatge at google.com](mailto:tatge at google.com)
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+Updated January 2024
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aartbik wrote:

here and below, where not relevant, I would avoid the extra new lines and just use single vertical space between paragraphs and sections

https://github.com/llvm/llvm-project/pull/78002